./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test8.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 ea76204732189107ea57f186f34feef6f7f76c1e ............................................................................................................................ 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_test8.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 ea76204732189107ea57f186f34feef6f7f76c1e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:40:26,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:40:26,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:40:26,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:40:26,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:40:26,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:40:26,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:40:26,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:40:26,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:40:26,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:40:26,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:40:26,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:40:26,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:40:26,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:40:26,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:40:26,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:40:26,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:40:26,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:40:26,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:40:26,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:40:26,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:40:26,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:40:26,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:40:26,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:40:26,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:40:26,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:40:26,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:40:26,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:40:26,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:40:26,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:40:26,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:40:26,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:40:26,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:40:26,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:40:26,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:40:26,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:40:26,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:40:26,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:40:26,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:40:26,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:40:26,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:40:26,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:40:26,350 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:40:26,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:40:26,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:40:26,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:40:26,353 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:40:26,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:40:26,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:40:26,353 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:40:26,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:40:26,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:40:26,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:40:26,355 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:40:26,355 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:40:26,355 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:40:26,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:40:26,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:40:26,356 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:40:26,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:40:26,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:40:26,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:40:26,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:40:26,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:40:26,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:40:26,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:40:26,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:40:26,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:40:26,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:40:26,359 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 -> ea76204732189107ea57f186f34feef6f7f76c1e [2019-11-28 02:40:26,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:40:26,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:40:26,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:40:26,723 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:40:26,723 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:40:26,724 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-11-28 02:40:26,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf4cd8342/7d645ef45f314f41b4a793b84c287144/FLAG9e1d87ff3 [2019-11-28 02:40:27,307 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:40:27,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-11-28 02:40:27,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf4cd8342/7d645ef45f314f41b4a793b84c287144/FLAG9e1d87ff3 [2019-11-28 02:40:27,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf4cd8342/7d645ef45f314f41b4a793b84c287144 [2019-11-28 02:40:27,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:40:27,559 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:40:27,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:27,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:40:27,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:40:27,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:27" (1/1) ... [2019-11-28 02:40:27,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39472393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:27, skipping insertion in model container [2019-11-28 02:40:27,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:27" (1/1) ... [2019-11-28 02:40:27,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:40:27,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:40:28,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:28,119 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 02:40:28,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d34d3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:28, skipping insertion in model container [2019-11-28 02:40:28,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:28,121 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 02:40:28,123 INFO L168 Benchmark]: Toolchain (without parser) took 562.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:28,124 INFO L168 Benchmark]: CDTParser took 1.38 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:28,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:28,128 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38 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 559.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:40:29,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:40:29,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:40:29,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:40:29,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:40:29,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:40:29,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:40:29,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:40:29,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:40:29,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:40:29,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:40:29,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:40:29,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:40:29,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:40:29,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:40:29,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:40:29,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:40:29,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:40:29,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:40:29,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:40:29,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:40:29,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:40:29,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:40:29,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:40:29,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:40:29,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:40:29,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:40:29,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:40:29,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:40:29,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:40:29,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:40:29,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:40:29,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:40:29,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:40:29,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:40:29,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:40:29,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:40:29,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:40:29,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:40:29,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:40:29,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:40:29,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 02:40:29,991 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:40:29,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:40:29,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:40:29,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:40:29,993 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:40:29,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:40:29,994 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:40:29,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:40:29,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:40:29,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:40:29,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:40:29,995 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:40:29,996 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:40:29,996 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:40:29,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:40:29,996 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:40:29,997 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 02:40:29,997 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 02:40:29,997 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:40:29,998 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:40:29,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:40:29,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:40:29,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:40:29,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:40:29,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:40:30,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:40:30,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:40:30,000 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 02:40:30,000 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 02:40:30,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 02:40:30,001 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 -> ea76204732189107ea57f186f34feef6f7f76c1e [2019-11-28 02:40:30,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:40:30,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:40:30,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:40:30,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:40:30,347 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:40:30,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-11-28 02:40:30,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6366821a3/81310e603513467db2a2e010b9f72212/FLAGa003e1df6 [2019-11-28 02:40:30,989 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:40:30,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-11-28 02:40:31,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6366821a3/81310e603513467db2a2e010b9f72212/FLAGa003e1df6 [2019-11-28 02:40:31,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6366821a3/81310e603513467db2a2e010b9f72212 [2019-11-28 02:40:31,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:40:31,312 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:40:31,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:31,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:40:31,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:40:31,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:31" (1/1) ... [2019-11-28 02:40:31,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34aa0f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:31, skipping insertion in model container [2019-11-28 02:40:31,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:31" (1/1) ... [2019-11-28 02:40:31,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:40:31,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:40:32,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:32,046 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 02:40:32,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:40:32,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:32,185 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:40:32,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:32,404 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:40:32,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:32 WrapperNode [2019-11-28 02:40:32,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:32,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:40:32,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:40:32,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:40:32,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:32" (1/1) ... [2019-11-28 02:40:32,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:32" (1/1) ... [2019-11-28 02:40:32,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:32" (1/1) ... [2019-11-28 02:40:32,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:32" (1/1) ... [2019-11-28 02:40:32,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:32" (1/1) ... [2019-11-28 02:40:32,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:32" (1/1) ... [2019-11-28 02:40:32,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:32" (1/1) ... [2019-11-28 02:40:32,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:40:32,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:40:32,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:40:32,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:40:32,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:40:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:40:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:40:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:40:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:40:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:40:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:40:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 02:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 02:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 02:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 02:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 02:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 02:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 02:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 02:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 02:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 02:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 02:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 02:40:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 02:40:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 02:40:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 02:40:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 02:40:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 02:40:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 02:40:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 02:40:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 02:40:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 02:40:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 02:40:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 02:40:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 02:40:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 02:40:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 02:40:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 02:40:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 02:40:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 02:40:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 02:40:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 02:40:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 02:40:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2019-11-28 02:40:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2019-11-28 02:40:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 02:40:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:40:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 02:40:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 02:40:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 02:40:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:40:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:40:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:40:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:40:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:40:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:40:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:40:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:40:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:40:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:40:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:40:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:40:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:40:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:40:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:40:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:40:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:40:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:40:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:40:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:40:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:40:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:40:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:40:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:40:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:40:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:40:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:40:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:40:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:40:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:40:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:40:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:40:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:40:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:40:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:40:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:40:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:40:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:40:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:40:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:40:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:40:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:40:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:40:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:40:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:40:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:40:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:40:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:40:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:40:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:40:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:40:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:40:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:40:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:40:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:40:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:40:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:40:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:40:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:40:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:40:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:40:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:40:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:40:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:40:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:40:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:40:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:40:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:40:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:40:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:40:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:40:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:40:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:40:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:40:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:40:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:40:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:40:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:40:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:40:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:40:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:40:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:40:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:40:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:40:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:40:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:40:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:40:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:40:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:40:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:40:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:40:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:40:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:40:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:40:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:40:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:40:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:40:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 02:40:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:40:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 02:40:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 02:40:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 02:40:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 02:40:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 02:40:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:40:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 02:40:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 02:40:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:40:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:40:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 02:40:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 02:40:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 02:40:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:40:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 02:40:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 02:40:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 02:40:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 02:40:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 02:40:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 02:40:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:40:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 02:40:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 02:40:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 02:40:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 02:40:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 02:40:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 02:40:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 02:40:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 02:40:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 02:40:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:40:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 02:40:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 02:40:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 02:40:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 02:40:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 02:40:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 02:40:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 02:40:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 02:40:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 02:40:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 02:40:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 02:40:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 02:40:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 02:40:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 02:40:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2019-11-28 02:40:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2019-11-28 02:40:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 02:40:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:40:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:40:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:40:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 02:40:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:40:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:40:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 02:40:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 02:40:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 02:40:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 02:40:33,363 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:40:33,796 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:40:34,160 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:40:34,160 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:40:34,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:34 BoogieIcfgContainer [2019-11-28 02:40:34,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:40:34,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:40:34,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:40:34,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:40:34,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:40:31" (1/3) ... [2019-11-28 02:40:34,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654f73b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:34, skipping insertion in model container [2019-11-28 02:40:34,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:32" (2/3) ... [2019-11-28 02:40:34,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654f73b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:34, skipping insertion in model container [2019-11-28 02:40:34,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:34" (3/3) ... [2019-11-28 02:40:34,173 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test8.i [2019-11-28 02:40:34,184 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:40:34,193 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-28 02:40:34,211 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-28 02:40:34,234 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:40:34,235 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:40:34,235 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:40:34,235 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:40:34,235 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:40:34,235 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:40:34,236 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:40:34,236 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:40:34,258 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2019-11-28 02:40:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 02:40:34,271 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:34,272 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:34,274 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:34,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:34,281 INFO L82 PathProgramCache]: Analyzing trace with hash 12717103, now seen corresponding path program 1 times [2019-11-28 02:40:34,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:34,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094844292] [2019-11-28 02:40:34,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:34,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:40:34,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:34,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:34,604 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:34,725 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094844292] [2019-11-28 02:40:34,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:34,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 02:40:34,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220835027] [2019-11-28 02:40:34,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:40:34,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:34,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:40:34,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:40:34,753 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 5 states. [2019-11-28 02:40:34,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:34,831 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2019-11-28 02:40:34,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:40:34,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-11-28 02:40:34,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:34,843 INFO L225 Difference]: With dead ends: 32 [2019-11-28 02:40:34,843 INFO L226 Difference]: Without dead ends: 29 [2019-11-28 02:40:34,845 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:40:34,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-28 02:40:34,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-28 02:40:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 02:40:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-11-28 02:40:34,885 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 18 [2019-11-28 02:40:34,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:34,885 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-11-28 02:40:34,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:40:34,886 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-11-28 02:40:34,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 02:40:34,886 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:34,887 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:35,100 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 02:40:35,102 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:35,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:35,102 INFO L82 PathProgramCache]: Analyzing trace with hash 394230500, now seen corresponding path program 1 times [2019-11-28 02:40:35,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:35,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726737497] [2019-11-28 02:40:35,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:35,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:40:35,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:35,351 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:35,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:35,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726737497] [2019-11-28 02:40:35,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:35,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-28 02:40:35,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200747627] [2019-11-28 02:40:35,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:40:35,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:35,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:40:35,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:40:35,539 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 9 states. [2019-11-28 02:40:35,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:35,797 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2019-11-28 02:40:35,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 02:40:35,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2019-11-28 02:40:35,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:35,801 INFO L225 Difference]: With dead ends: 41 [2019-11-28 02:40:35,801 INFO L226 Difference]: Without dead ends: 41 [2019-11-28 02:40:35,802 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-11-28 02:40:35,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-28 02:40:35,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2019-11-28 02:40:35,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 02:40:35,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2019-11-28 02:40:35,819 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 19 [2019-11-28 02:40:35,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:35,819 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2019-11-28 02:40:35,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:40:35,820 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2019-11-28 02:40:35,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 02:40:35,821 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:35,821 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:36,032 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 02:40:36,033 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:36,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:36,034 INFO L82 PathProgramCache]: Analyzing trace with hash -663756079, now seen corresponding path program 1 times [2019-11-28 02:40:36,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:36,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658732537] [2019-11-28 02:40:36,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:36,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:40:36,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:36,262 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:40:36,263 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:40:36,269 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:40:36,270 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:40:36,270 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 02:40:36,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:36,298 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:36,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658732537] [2019-11-28 02:40:36,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:36,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 02:40:36,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217640736] [2019-11-28 02:40:36,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:40:36,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:36,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:40:36,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:40:36,414 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand 5 states. [2019-11-28 02:40:36,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:36,477 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2019-11-28 02:40:36,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:40:36,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-28 02:40:36,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:36,482 INFO L225 Difference]: With dead ends: 40 [2019-11-28 02:40:36,483 INFO L226 Difference]: Without dead ends: 40 [2019-11-28 02:40:36,483 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:40:36,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-28 02:40:36,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-28 02:40:36,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 02:40:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2019-11-28 02:40:36,497 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 20 [2019-11-28 02:40:36,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:36,499 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2019-11-28 02:40:36,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:40:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-11-28 02:40:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 02:40:36,505 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:36,505 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:36,726 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 02:40:36,727 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:36,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:36,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1834259858, now seen corresponding path program 1 times [2019-11-28 02:40:36,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:36,730 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766460276] [2019-11-28 02:40:36,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:36,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:40:36,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:36,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:36,894 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:37,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766460276] [2019-11-28 02:40:37,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:37,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 02:40:37,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914198739] [2019-11-28 02:40:37,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:40:37,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:37,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:40:37,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:40:37,003 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 5 states. [2019-11-28 02:40:37,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:37,060 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2019-11-28 02:40:37,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:40:37,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-28 02:40:37,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:37,063 INFO L225 Difference]: With dead ends: 37 [2019-11-28 02:40:37,063 INFO L226 Difference]: Without dead ends: 37 [2019-11-28 02:40:37,064 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:40:37,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-28 02:40:37,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2019-11-28 02:40:37,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-28 02:40:37,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2019-11-28 02:40:37,072 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 20 [2019-11-28 02:40:37,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:37,073 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2019-11-28 02:40:37,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:40:37,073 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2019-11-28 02:40:37,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 02:40:37,074 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:37,074 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:37,280 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 02:40:37,281 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:37,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:37,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1534178647, now seen corresponding path program 1 times [2019-11-28 02:40:37,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:37,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5578525] [2019-11-28 02:40:37,283 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 02:40:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:37,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 02:40:37,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:37,411 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:37,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:37,553 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5578525] [2019-11-28 02:40:37,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:37,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 02:40:37,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126606904] [2019-11-28 02:40:37,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:40:37,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:37,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:40:37,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:40:37,554 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 3 states. [2019-11-28 02:40:37,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:37,586 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2019-11-28 02:40:37,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:40:37,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-11-28 02:40:37,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:37,587 INFO L225 Difference]: With dead ends: 40 [2019-11-28 02:40:37,587 INFO L226 Difference]: Without dead ends: 27 [2019-11-28 02:40:37,588 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 02:40:37,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-28 02:40:37,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-28 02:40:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-28 02:40:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2019-11-28 02:40:37,591 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2019-11-28 02:40:37,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:37,591 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2019-11-28 02:40:37,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:40:37,592 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2019-11-28 02:40:37,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 02:40:37,592 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:37,592 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] [2019-11-28 02:40:37,793 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 02:40:37,794 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:37,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:37,794 INFO L82 PathProgramCache]: Analyzing trace with hash 714098001, now seen corresponding path program 1 times [2019-11-28 02:40:37,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:37,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017735696] [2019-11-28 02:40:37,795 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 02:40:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:37,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-28 02:40:37,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:37,939 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:40:37,940 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 02:40:37,941 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:40:37,959 INFO L588 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-28 02:40:37,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:40:37,963 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 02:40:37,964 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:15 [2019-11-28 02:40:37,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:40:37,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:40:37,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:40:37,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:40:38,087 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-28 02:40:38,088 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:40:38,090 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:40:38,090 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:40:38,091 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-11-28 02:40:44,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:44,216 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:48,601 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 02:40:48,602 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 02:40:48,609 INFO L168 Benchmark]: Toolchain (without parser) took 17297.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.7 MB). Free memory was 957.7 MB in the beginning and 909.3 MB in the end (delta: 48.4 MB). Peak memory consumption was 258.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:48,610 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:48,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1094.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:48,611 INFO L168 Benchmark]: Boogie Preprocessor took 189.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:48,612 INFO L168 Benchmark]: RCFGBuilder took 1564.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.1 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:48,613 INFO L168 Benchmark]: TraceAbstraction took 14442.78 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 972.1 MB in the beginning and 909.3 MB in the end (delta: 62.8 MB). Peak memory consumption was 142.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:48,616 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 1094.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 189.40 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 1564.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.1 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14442.78 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 972.1 MB in the beginning and 909.3 MB in the end (delta: 62.8 MB). Peak memory consumption was 142.5 MB. 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...