./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5758efa3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-5758efa [2019-11-26 21:18:53,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 21:18:53,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 21:18:53,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 21:18:53,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 21:18:53,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 21:18:53,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 21:18:53,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 21:18:53,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 21:18:53,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 21:18:53,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 21:18:53,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 21:18:53,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 21:18:53,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 21:18:53,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 21:18:53,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 21:18:53,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 21:18:53,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 21:18:53,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 21:18:53,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 21:18:53,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 21:18:53,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 21:18:53,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 21:18:53,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 21:18:53,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 21:18:53,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 21:18:53,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 21:18:53,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 21:18:53,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 21:18:53,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 21:18:53,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 21:18:53,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 21:18:53,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 21:18:53,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 21:18:53,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 21:18:53,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 21:18:53,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 21:18:53,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 21:18:53,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 21:18:53,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 21:18:53,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 21:18:53,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 21:18:53,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 21:18:53,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 21:18:53,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 21:18:53,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 21:18:53,376 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 21:18:53,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 21:18:53,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 21:18:53,376 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 21:18:53,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 21:18:53,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 21:18:53,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 21:18:53,377 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 21:18:53,377 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 21:18:53,378 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 21:18:53,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 21:18:53,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 21:18:53,380 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 21:18:53,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 21:18:53,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 21:18:53,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 21:18:53,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 21:18:53,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 21:18:53,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:18:53,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 21:18:53,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 21:18:53,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 21:18:53,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 21:18:53,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a [2019-11-26 21:18:53,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 21:18:53,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 21:18:53,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 21:18:53,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 21:18:53,707 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 21:18:53,707 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-26 21:18:53,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6decd1c24/740f9ef88ba44f50b714c751f238871f/FLAG6f138ca07 [2019-11-26 21:18:54,355 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 21:18:54,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-26 21:18:54,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6decd1c24/740f9ef88ba44f50b714c751f238871f/FLAG6f138ca07 [2019-11-26 21:18:54,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6decd1c24/740f9ef88ba44f50b714c751f238871f [2019-11-26 21:18:54,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 21:18:54,648 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 21:18:54,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 21:18:54,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 21:18:54,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 21:18:54,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:18:54" (1/1) ... [2019-11-26 21:18:54,657 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 26.11 09:18:54, skipping insertion in model container [2019-11-26 21:18:54,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:18:54" (1/1) ... [2019-11-26 21:18:54,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 21:18:54,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:18:55,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:18:55,266 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) [2019-11-26 21:18:55,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5523ac8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:55, skipping insertion in model container [2019-11-26 21:18:55,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 21:18:55,268 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 21:18:55,272 INFO L168 Benchmark]: Toolchain (without parser) took 621.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-11-26 21:18:55,273 INFO L168 Benchmark]: CDTParser took 1.65 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:18:55,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-11-26 21:18:55,279 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 618.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-5758efa [2019-11-26 21:18:56,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 21:18:56,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 21:18:56,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 21:18:56,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 21:18:56,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 21:18:56,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 21:18:56,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 21:18:56,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 21:18:56,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 21:18:56,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 21:18:56,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 21:18:56,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 21:18:56,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 21:18:56,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 21:18:56,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 21:18:56,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 21:18:56,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 21:18:56,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 21:18:56,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 21:18:56,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 21:18:56,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 21:18:56,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 21:18:56,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 21:18:56,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 21:18:56,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 21:18:56,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 21:18:56,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 21:18:56,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 21:18:56,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 21:18:56,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 21:18:56,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 21:18:56,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 21:18:56,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 21:18:57,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 21:18:57,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 21:18:57,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 21:18:57,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 21:18:57,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 21:18:57,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 21:18:57,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 21:18:57,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 21:18:57,020 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 21:18:57,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 21:18:57,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 21:18:57,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 21:18:57,021 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 21:18:57,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 21:18:57,022 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 21:18:57,022 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 21:18:57,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 21:18:57,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 21:18:57,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 21:18:57,023 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 21:18:57,023 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 21:18:57,023 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 21:18:57,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 21:18:57,024 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 21:18:57,024 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 21:18:57,024 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 21:18:57,024 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 21:18:57,025 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 21:18:57,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 21:18:57,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 21:18:57,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 21:18:57,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 21:18:57,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:18:57,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 21:18:57,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 21:18:57,026 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 21:18:57,027 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 21:18:57,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 21:18:57,027 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a [2019-11-26 21:18:57,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 21:18:57,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 21:18:57,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 21:18:57,411 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 21:18:57,412 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 21:18:57,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-26 21:18:57,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432b24396/95ee8864a9784c2ca76901093431c451/FLAGfc94ad255 [2019-11-26 21:18:58,064 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 21:18:58,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-26 21:18:58,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432b24396/95ee8864a9784c2ca76901093431c451/FLAGfc94ad255 [2019-11-26 21:18:58,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432b24396/95ee8864a9784c2ca76901093431c451 [2019-11-26 21:18:58,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 21:18:58,345 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 21:18:58,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 21:18:58,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 21:18:58,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 21:18:58,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:18:58" (1/1) ... [2019-11-26 21:18:58,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74112e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:58, skipping insertion in model container [2019-11-26 21:18:58,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:18:58" (1/1) ... [2019-11-26 21:18:58,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 21:18:58,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:18:59,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:18:59,070 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-26 21:18:59,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:18:59,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:18:59,205 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 21:18:59,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:18:59,342 INFO L208 MainTranslator]: Completed translation [2019-11-26 21:18:59,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:59 WrapperNode [2019-11-26 21:18:59,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 21:18:59,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 21:18:59,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 21:18:59,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 21:18:59,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:59" (1/1) ... [2019-11-26 21:18:59,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:59" (1/1) ... [2019-11-26 21:18:59,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:59" (1/1) ... [2019-11-26 21:18:59,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:59" (1/1) ... [2019-11-26 21:18:59,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:59" (1/1) ... [2019-11-26 21:18:59,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:59" (1/1) ... [2019-11-26 21:18:59,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:59" (1/1) ... [2019-11-26 21:18:59,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 21:18:59,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 21:18:59,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 21:18:59,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 21:18:59,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:59" (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 [2019-11-26 21:18:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-26 21:18:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 21:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 21:18:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 21:18:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-26 21:18:59,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-26 21:18:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-26 21:18:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-26 21:18:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-26 21:18:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-26 21:18:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-26 21:18:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-26 21:18:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-26 21:18:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-26 21:18:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-26 21:18:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-26 21:18:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-26 21:18:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-26 21:18:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-26 21:18:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-26 21:18:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-26 21:18:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-26 21:18:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-26 21:18:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-26 21:18:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-26 21:18:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-26 21:18:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-26 21:18:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-26 21:18:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-26 21:18:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-26 21:18:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-26 21:18:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-26 21:18:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-26 21:18:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-26 21:18:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-26 21:18:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-26 21:18:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-26 21:18:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-26 21:18:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-26 21:18:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-26 21:18:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-26 21:18:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-26 21:18:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2019-11-26 21:18:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2019-11-26 21:18:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-26 21:18:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-26 21:18:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-26 21:18:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-26 21:18:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-26 21:18:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-26 21:18:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-26 21:18:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-26 21:18:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-26 21:18:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-26 21:18:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-26 21:18:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-26 21:18:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-26 21:18:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-26 21:18:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-26 21:18:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-26 21:18:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-26 21:18:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-26 21:18:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-26 21:18:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-26 21:18:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-26 21:18:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-26 21:18:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-26 21:18:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-26 21:18:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-26 21:18:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-26 21:18:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-26 21:18:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-26 21:18:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-26 21:18:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-26 21:18:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-26 21:18:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-26 21:18:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-26 21:18:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-26 21:18:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-26 21:18:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-26 21:18:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-26 21:18:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-26 21:18:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-26 21:18:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-26 21:18:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-26 21:18:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-26 21:18:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-26 21:18:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-26 21:18:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-26 21:18:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-26 21:18:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-26 21:18:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-26 21:18:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-26 21:18:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-26 21:18:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-26 21:18:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-26 21:18:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-26 21:18:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-26 21:18:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-26 21:18:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-26 21:18:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-26 21:18:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-26 21:18:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-26 21:18:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-26 21:18:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-26 21:18:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-26 21:18:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-26 21:18:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-26 21:18:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-26 21:18:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-26 21:18:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-26 21:18:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-26 21:18:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-26 21:18:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-26 21:18:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-26 21:18:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-26 21:18:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-26 21:18:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-26 21:18:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-26 21:18:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-26 21:18:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-26 21:18:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-26 21:18:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-26 21:18:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-26 21:18:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-26 21:18:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-26 21:18:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-26 21:18:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-26 21:18:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-26 21:18:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-26 21:18:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-26 21:18:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-26 21:18:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-26 21:18:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-26 21:18:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-26 21:18:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-26 21:18:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-26 21:18:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-26 21:18:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-26 21:18:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-26 21:18:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-26 21:18:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-26 21:18:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-26 21:18:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-26 21:18:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-26 21:18:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-26 21:18:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-26 21:18:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-26 21:18:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-26 21:18:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-26 21:18:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-26 21:18:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-26 21:18:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-26 21:18:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-26 21:18:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-26 21:18:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-26 21:18:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-26 21:18:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-26 21:18:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-26 21:18:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-26 21:18:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-26 21:18:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-26 21:18:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-26 21:18:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 21:18:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-26 21:18:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-26 21:18:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-26 21:18:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 21:18:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-26 21:18:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-26 21:18:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-26 21:18:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 21:18:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-26 21:18:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-26 21:18:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-26 21:18:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-26 21:18:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-26 21:18:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-26 21:18:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 21:18:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-26 21:18:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-26 21:18:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-26 21:18:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-26 21:18:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-26 21:18:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 21:18:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 21:18:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-26 21:18:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-26 21:18:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 21:18:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-26 21:18:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-26 21:18:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-26 21:18:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-26 21:18:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-26 21:18:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-26 21:18:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-26 21:18:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-26 21:18:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-26 21:18:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-26 21:18:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-26 21:18:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-26 21:18:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-26 21:18:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-26 21:18:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2019-11-26 21:18:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2019-11-26 21:18:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-26 21:18:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-26 21:18:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-26 21:18:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 21:18:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 21:18:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 21:18:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 21:18:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-26 21:18:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-26 21:18:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-26 21:18:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-26 21:19:00,398 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 21:19:00,869 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 21:19:01,252 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 21:19:01,252 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-26 21:19:01,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 09:19:01 BoogieIcfgContainer [2019-11-26 21:19:01,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 21:19:01,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 21:19:01,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 21:19:01,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 21:19:01,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 09:18:58" (1/3) ... [2019-11-26 21:19:01,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31495662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 09:19:01, skipping insertion in model container [2019-11-26 21:19:01,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:59" (2/3) ... [2019-11-26 21:19:01,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31495662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 09:19:01, skipping insertion in model container [2019-11-26 21:19:01,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 09:19:01" (3/3) ... [2019-11-26 21:19:01,265 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test16.i [2019-11-26 21:19:01,275 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 21:19:01,286 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-26 21:19:01,305 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-26 21:19:01,323 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 21:19:01,323 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 21:19:01,323 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 21:19:01,323 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 21:19:01,324 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 21:19:01,324 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 21:19:01,324 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 21:19:01,324 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 21:19:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-11-26 21:19:01,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 21:19:01,354 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:01,355 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:01,356 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:01,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:01,363 INFO L82 PathProgramCache]: Analyzing trace with hash 997159282, now seen corresponding path program 1 times [2019-11-26 21:19:01,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:01,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [809739722] [2019-11-26 21:19:01,376 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 [2019-11-26 21:19:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:01,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 21:19:01,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:01,691 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:01,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [809739722] [2019-11-26 21:19:01,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:01,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-26 21:19:01,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112197581] [2019-11-26 21:19:01,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 21:19:01,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:01,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 21:19:01,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-26 21:19:01,806 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 8 states. [2019-11-26 21:19:01,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:01,930 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2019-11-26 21:19:01,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-26 21:19:01,933 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-26 21:19:01,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:01,945 INFO L225 Difference]: With dead ends: 49 [2019-11-26 21:19:01,945 INFO L226 Difference]: Without dead ends: 46 [2019-11-26 21:19:01,947 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-26 21:19:01,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-26 21:19:01,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2019-11-26 21:19:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-26 21:19:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-26 21:19:01,998 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 17 [2019-11-26 21:19:01,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:01,999 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-26 21:19:01,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 21:19:02,000 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-26 21:19:02,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 21:19:02,001 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:02,002 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:02,213 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 21:19:02,214 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:02,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:02,215 INFO L82 PathProgramCache]: Analyzing trace with hash 965683329, now seen corresponding path program 1 times [2019-11-26 21:19:02,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:02,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812112369] [2019-11-26 21:19:02,216 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 [2019-11-26 21:19:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:02,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-26 21:19:02,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:02,378 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:02,509 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812112369] [2019-11-26 21:19:02,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:02,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 21:19:02,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038119757] [2019-11-26 21:19:02,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 21:19:02,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:02,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 21:19:02,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 21:19:02,513 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 3 states. [2019-11-26 21:19:02,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:02,574 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-11-26 21:19:02,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 21:19:02,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-26 21:19:02,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:02,577 INFO L225 Difference]: With dead ends: 54 [2019-11-26 21:19:02,577 INFO L226 Difference]: Without dead ends: 43 [2019-11-26 21:19:02,578 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 21:19:02,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-26 21:19:02,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-26 21:19:02,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-26 21:19:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-26 21:19:02,591 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2019-11-26 21:19:02,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:02,591 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-26 21:19:02,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 21:19:02,592 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-26 21:19:02,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 21:19:02,593 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:02,593 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] [2019-11-26 21:19:02,805 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 21:19:02,806 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:02,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:02,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1103285257, now seen corresponding path program 1 times [2019-11-26 21:19:02,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:02,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745323688] [2019-11-26 21:19:02,808 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 [2019-11-26 21:19:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:02,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-26 21:19:02,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:03,042 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:03,143 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745323688] [2019-11-26 21:19:03,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:03,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-26 21:19:03,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556778947] [2019-11-26 21:19:03,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-26 21:19:03,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:03,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-26 21:19:03,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-26 21:19:03,145 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2019-11-26 21:19:03,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:03,214 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-11-26 21:19:03,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 21:19:03,216 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-11-26 21:19:03,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:03,217 INFO L225 Difference]: With dead ends: 42 [2019-11-26 21:19:03,217 INFO L226 Difference]: Without dead ends: 42 [2019-11-26 21:19:03,218 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-26 21:19:03,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-26 21:19:03,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-11-26 21:19:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-26 21:19:03,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-26 21:19:03,231 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2019-11-26 21:19:03,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:03,231 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-26 21:19:03,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-26 21:19:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-26 21:19:03,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 21:19:03,233 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:03,233 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:03,445 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 21:19:03,446 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:03,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:03,448 INFO L82 PathProgramCache]: Analyzing trace with hash 157895800, now seen corresponding path program 1 times [2019-11-26 21:19:03,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:03,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954028780] [2019-11-26 21:19:03,449 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 [2019-11-26 21:19:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:03,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-26 21:19:03,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:03,779 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:04,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:04,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954028780] [2019-11-26 21:19:04,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:04,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2019-11-26 21:19:04,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311825437] [2019-11-26 21:19:04,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-26 21:19:04,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:04,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-26 21:19:04,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2019-11-26 21:19:04,162 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 17 states. [2019-11-26 21:19:04,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:04,695 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2019-11-26 21:19:04,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-26 21:19:04,699 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 24 [2019-11-26 21:19:04,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:04,700 INFO L225 Difference]: With dead ends: 53 [2019-11-26 21:19:04,700 INFO L226 Difference]: Without dead ends: 51 [2019-11-26 21:19:04,700 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2019-11-26 21:19:04,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-26 21:19:04,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2019-11-26 21:19:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-26 21:19:04,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-11-26 21:19:04,708 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 24 [2019-11-26 21:19:04,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:04,708 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-11-26 21:19:04,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-26 21:19:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-11-26 21:19:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 21:19:04,709 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:04,709 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:04,916 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 21:19:04,917 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:04,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:04,918 INFO L82 PathProgramCache]: Analyzing trace with hash 599802905, now seen corresponding path program 1 times [2019-11-26 21:19:04,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:04,919 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482539555] [2019-11-26 21:19:04,919 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 [2019-11-26 21:19:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:05,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-26 21:19:05,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:05,099 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 [2019-11-26 21:19:05,100 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:19:05,117 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:19:05,118 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:19:05,121 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 21:19:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:05,205 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:05,329 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482539555] [2019-11-26 21:19:05,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:05,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-26 21:19:05,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96624002] [2019-11-26 21:19:05,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-26 21:19:05,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:05,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-26 21:19:05,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-26 21:19:05,331 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 9 states. [2019-11-26 21:19:05,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:05,496 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2019-11-26 21:19:05,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 21:19:05,498 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-26 21:19:05,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:05,499 INFO L225 Difference]: With dead ends: 50 [2019-11-26 21:19:05,499 INFO L226 Difference]: Without dead ends: 50 [2019-11-26 21:19:05,500 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-26 21:19:05,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-26 21:19:05,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2019-11-26 21:19:05,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-26 21:19:05,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2019-11-26 21:19:05,506 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 25 [2019-11-26 21:19:05,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:05,506 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2019-11-26 21:19:05,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-26 21:19:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2019-11-26 21:19:05,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 21:19:05,507 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:05,507 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:05,718 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-26 21:19:05,720 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:05,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:05,720 INFO L82 PathProgramCache]: Analyzing trace with hash 306399898, now seen corresponding path program 1 times [2019-11-26 21:19:05,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:05,722 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760929237] [2019-11-26 21:19:05,722 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 [2019-11-26 21:19:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:05,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-26 21:19:05,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:05,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:05,919 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:05,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:05,983 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760929237] [2019-11-26 21:19:05,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:05,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-26 21:19:05,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292961129] [2019-11-26 21:19:05,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-26 21:19:05,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:05,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-26 21:19:05,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-26 21:19:05,985 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 9 states. [2019-11-26 21:19:06,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:06,059 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-11-26 21:19:06,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 21:19:06,060 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-26 21:19:06,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:06,061 INFO L225 Difference]: With dead ends: 47 [2019-11-26 21:19:06,061 INFO L226 Difference]: Without dead ends: 47 [2019-11-26 21:19:06,062 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-26 21:19:06,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-26 21:19:06,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2019-11-26 21:19:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-26 21:19:06,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2019-11-26 21:19:06,068 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 25 [2019-11-26 21:19:06,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:06,068 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2019-11-26 21:19:06,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-26 21:19:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-11-26 21:19:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 21:19:06,070 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:06,070 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:06,272 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-26 21:19:06,273 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:06,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:06,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1123950726, now seen corresponding path program 1 times [2019-11-26 21:19:06,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:06,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196544036] [2019-11-26 21:19:06,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:06,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 21:19:06,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:06,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:06,452 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:06,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:06,613 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196544036] [2019-11-26 21:19:06,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:06,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-11-26 21:19:06,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463288561] [2019-11-26 21:19:06,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-26 21:19:06,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:06,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-26 21:19:06,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-26 21:19:06,615 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2019-11-26 21:19:06,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:06,698 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2019-11-26 21:19:06,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-26 21:19:06,699 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-11-26 21:19:06,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:06,700 INFO L225 Difference]: With dead ends: 47 [2019-11-26 21:19:06,700 INFO L226 Difference]: Without dead ends: 45 [2019-11-26 21:19:06,701 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-26 21:19:06,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-26 21:19:06,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2019-11-26 21:19:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-26 21:19:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2019-11-26 21:19:06,705 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 27 [2019-11-26 21:19:06,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:06,705 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2019-11-26 21:19:06,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-26 21:19:06,705 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2019-11-26 21:19:06,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 21:19:06,706 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:06,707 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:06,919 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-26 21:19:06,924 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:06,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:06,925 INFO L82 PathProgramCache]: Analyzing trace with hash 2141245867, now seen corresponding path program 1 times [2019-11-26 21:19:06,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:06,925 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720675747] [2019-11-26 21:19:06,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:07,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-26 21:19:07,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:07,104 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:19:07,104 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 [2019-11-26 21:19:07,105 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:19:07,129 INFO L588 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-26 21:19:07,130 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:19:07,134 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. [2019-11-26 21:19:07,134 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:15 [2019-11-26 21:19:07,135 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:19:07,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:19:07,159 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:19:07,170 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:19:15,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:15,500 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:21,942 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-26 21:19:21,943 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 21:19:21,956 INFO L168 Benchmark]: Toolchain (without parser) took 23606.64 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.3 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -262.7 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. [2019-11-26 21:19:21,960 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:19:21,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 997.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -109.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-26 21:19:21,965 INFO L168 Benchmark]: Boogie Preprocessor took 109.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:19:21,965 INFO L168 Benchmark]: RCFGBuilder took 1800.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 953.1 MB in the end (delta: 112.6 MB). Peak memory consumption was 112.6 MB. Max. memory is 11.5 GB. [2019-11-26 21:19:21,967 INFO L168 Benchmark]: TraceAbstraction took 20695.02 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 189.8 MB). Free memory was 953.1 MB in the beginning and 1.2 GB in the end (delta: -266.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:19:21,971 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 997.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -109.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1800.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 953.1 MB in the end (delta: 112.6 MB). Peak memory consumption was 112.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20695.02 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 189.8 MB). Free memory was 953.1 MB in the beginning and 1.2 GB in the end (delta: -266.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...