./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7c71bc25 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-64bit-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 64bit --witnessprinter.graph.data.programhash f9e4b987fddd5be88447132dcb5136b5a374e8f5 ......................................................................................................................... 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-64bit-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 64bit --witnessprinter.graph.data.programhash f9e4b987fddd5be88447132dcb5136b5a374e8f5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-7c71bc2 [2019-11-25 13:20:43,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:20:43,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:20:43,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:20:43,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:20:43,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:20:43,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:20:43,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:20:43,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:20:43,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:20:43,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:20:43,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:20:43,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:20:43,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:20:43,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:20:43,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:20:43,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:20:43,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:20:43,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:20:43,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:20:43,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:20:43,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:20:43,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:20:43,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:20:43,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:20:43,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:20:43,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:20:43,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:20:43,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:20:43,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:20:43,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:20:43,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:20:43,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:20:43,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:20:43,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:20:43,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:20:43,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:20:43,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:20:43,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:20:43,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:20:43,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:20:43,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-25 13:20:43,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:20:43,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:20:43,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:20:43,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:20:43,649 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:20:43,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:20:43,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 13:20:43,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:20:43,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:20:43,650 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 13:20:43,651 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 13:20:43,651 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 13:20:43,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:20:43,652 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:20:43,652 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:20:43,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:20:43,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:20:43,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:20:43,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:20:43,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:20:43,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:20:43,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:20:43,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 13:20:43,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 13:20:43,655 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9e4b987fddd5be88447132dcb5136b5a374e8f5 [2019-11-25 13:20:43,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:20:43,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:20:43,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:20:43,997 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:20:43,997 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:20:43,998 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-25 13:20:44,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed42bcb8/302766d8f86845c38097f67e203b14c4/FLAG38c75ff94 [2019-11-25 13:20:44,633 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:20:44,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-25 13:20:44,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed42bcb8/302766d8f86845c38097f67e203b14c4/FLAG38c75ff94 [2019-11-25 13:20:44,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed42bcb8/302766d8f86845c38097f67e203b14c4 [2019-11-25 13:20:44,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:20:44,899 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 13:20:44,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:20:44,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:20:44,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:20:44,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:20:44" (1/1) ... [2019-11-25 13:20:44,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7109c780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:44, skipping insertion in model container [2019-11-25 13:20:44,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:20:44" (1/1) ... [2019-11-25 13:20:44,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:20:44,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:20:45,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:20:45,471 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) [2019-11-25 13:20:45,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@423d4d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:45, skipping insertion in model container [2019-11-25 13:20:45,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:20:45,472 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-25 13:20:45,475 INFO L168 Benchmark]: Toolchain (without parser) took 575.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-25 13:20:45,476 INFO L168 Benchmark]: CDTParser took 0.31 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. [2019-11-25 13:20:45,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-25 13:20:45,480 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 572.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: 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 0.1.24-7c71bc2 [2019-11-25 13:20:47,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:20:47,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:20:47,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:20:47,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:20:47,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:20:47,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:20:47,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:20:47,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:20:47,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:20:47,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:20:47,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:20:47,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:20:47,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:20:47,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:20:47,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:20:47,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:20:47,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:20:47,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:20:47,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:20:47,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:20:47,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:20:47,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:20:47,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:20:47,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:20:47,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:20:47,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:20:47,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:20:47,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:20:47,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:20:47,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:20:47,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:20:47,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:20:47,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:20:47,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:20:47,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:20:47,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:20:47,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:20:47,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:20:47,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:20:47,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:20:47,379 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-25 13:20:47,401 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:20:47,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:20:47,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:20:47,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:20:47,404 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:20:47,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:20:47,404 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 13:20:47,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:20:47,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:20:47,405 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 13:20:47,406 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 13:20:47,406 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 13:20:47,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:20:47,407 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:20:47,407 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 13:20:47,407 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 13:20:47,408 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:20:47,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:20:47,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:20:47,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:20:47,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:20:47,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:20:47,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:20:47,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:20:47,410 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 13:20:47,410 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 13:20:47,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 13:20:47,410 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9e4b987fddd5be88447132dcb5136b5a374e8f5 [2019-11-25 13:20:47,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:20:47,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:20:47,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:20:47,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:20:47,727 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:20:47,728 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-25 13:20:47,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6082183f/843fd697f0cf4b4c8b4fc3a8d9da2f11/FLAGf3eab2086 [2019-11-25 13:20:48,405 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:20:48,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-25 13:20:48,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6082183f/843fd697f0cf4b4c8b4fc3a8d9da2f11/FLAGf3eab2086 [2019-11-25 13:20:48,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6082183f/843fd697f0cf4b4c8b4fc3a8d9da2f11 [2019-11-25 13:20:48,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:20:48,682 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 13:20:48,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:20:48,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:20:48,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:20:48,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:20:48" (1/1) ... [2019-11-25 13:20:48,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40be7b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:48, skipping insertion in model container [2019-11-25 13:20:48,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:20:48" (1/1) ... [2019-11-25 13:20:48,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:20:48,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:20:49,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:20:49,300 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 13:20:49,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:20:49,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:20:49,408 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 13:20:49,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:20:49,614 INFO L208 MainTranslator]: Completed translation [2019-11-25 13:20:49,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:49 WrapperNode [2019-11-25 13:20:49,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:20:49,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 13:20:49,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 13:20:49,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 13:20:49,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:49" (1/1) ... [2019-11-25 13:20:49,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:49" (1/1) ... [2019-11-25 13:20:49,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:49" (1/1) ... [2019-11-25 13:20:49,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:49" (1/1) ... [2019-11-25 13:20:49,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:49" (1/1) ... [2019-11-25 13:20:49,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:49" (1/1) ... [2019-11-25 13:20:49,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:49" (1/1) ... [2019-11-25 13:20:49,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 13:20:49,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 13:20:49,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 13:20:49,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 13:20:49,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:49" (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 [2019-11-25 13:20:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 13:20:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 13:20:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 13:20:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 13:20:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 13:20:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 13:20:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 13:20:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 13:20:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 13:20:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 13:20:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 13:20:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 13:20:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 13:20:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 13:20:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 13:20:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 13:20:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 13:20:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 13:20:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 13:20:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 13:20:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 13:20:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 13:20:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 13:20:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 13:20:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 13:20:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 13:20:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 13:20:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 13:20:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 13:20:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 13:20:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 13:20:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 13:20:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 13:20:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 13:20:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 13:20:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 13:20:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 13:20:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 13:20:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 13:20:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 13:20:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 13:20:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 13:20:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2019-11-25 13:20:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2019-11-25 13:20:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 13:20:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 13:20:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 13:20:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 13:20:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 13:20:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 13:20:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 13:20:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 13:20:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 13:20:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 13:20:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 13:20:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 13:20:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 13:20:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 13:20:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 13:20:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 13:20:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 13:20:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 13:20:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 13:20:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 13:20:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 13:20:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 13:20:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 13:20:49,801 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 13:20:49,801 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 13:20:49,801 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 13:20:49,801 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 13:20:49,801 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 13:20:49,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 13:20:49,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 13:20:49,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 13:20:49,802 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 13:20:49,803 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 13:20:49,803 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 13:20:49,803 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 13:20:49,803 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 13:20:49,803 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 13:20:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 13:20:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 13:20:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 13:20:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 13:20:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 13:20:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 13:20:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 13:20:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 13:20:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 13:20:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 13:20:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 13:20:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 13:20:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 13:20:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 13:20:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 13:20:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 13:20:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 13:20:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 13:20:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 13:20:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 13:20:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 13:20:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 13:20:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 13:20:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 13:20:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 13:20:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 13:20:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 13:20:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 13:20:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 13:20:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 13:20:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 13:20:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 13:20:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 13:20:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 13:20:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 13:20:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 13:20:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 13:20:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 13:20:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 13:20:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 13:20:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 13:20:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 13:20:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 13:20:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 13:20:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 13:20:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 13:20:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 13:20:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 13:20:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 13:20:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 13:20:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 13:20:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 13:20:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 13:20:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 13:20:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 13:20:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 13:20:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 13:20:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 13:20:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 13:20:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 13:20:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 13:20:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 13:20:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 13:20:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 13:20:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 13:20:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 13:20:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 13:20:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 13:20:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 13:20:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 13:20:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 13:20:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 13:20:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 13:20:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 13:20:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 13:20:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 13:20:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 13:20:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-25 13:20:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 13:20:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 13:20:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 13:20:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 13:20:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 13:20:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 13:20:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 13:20:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 13:20:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 13:20:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 13:20:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 13:20:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 13:20:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 13:20:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 13:20:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 13:20:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 13:20:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 13:20:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 13:20:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 13:20:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 13:20:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 13:20:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 13:20:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 13:20:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 13:20:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 13:20:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 13:20:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 13:20:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 13:20:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 13:20:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 13:20:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 13:20:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 13:20:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 13:20:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 13:20:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 13:20:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 13:20:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 13:20:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 13:20:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 13:20:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 13:20:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 13:20:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 13:20:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 13:20:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 13:20:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 13:20:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2019-11-25 13:20:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2019-11-25 13:20:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 13:20:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 13:20:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 13:20:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 13:20:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 13:20:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 13:20:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 13:20:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 13:20:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 13:20:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 13:20:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 13:20:50,463 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 13:20:50,874 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 13:20:51,246 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 13:20:51,249 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-25 13:20:51,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:20:51 BoogieIcfgContainer [2019-11-25 13:20:51,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 13:20:51,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 13:20:51,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 13:20:51,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 13:20:51,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 01:20:48" (1/3) ... [2019-11-25 13:20:51,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c154c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:20:51, skipping insertion in model container [2019-11-25 13:20:51,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:49" (2/3) ... [2019-11-25 13:20:51,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c154c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:20:51, skipping insertion in model container [2019-11-25 13:20:51,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:20:51" (3/3) ... [2019-11-25 13:20:51,264 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test16.i [2019-11-25 13:20:51,276 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 13:20:51,289 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-25 13:20:51,306 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-25 13:20:51,332 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 13:20:51,332 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 13:20:51,332 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 13:20:51,333 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 13:20:51,333 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 13:20:51,333 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 13:20:51,333 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 13:20:51,333 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 13:20:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-11-25 13:20:51,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 13:20:51,371 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:51,372 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:20:51,373 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]=== [2019-11-25 13:20:51,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:51,380 INFO L82 PathProgramCache]: Analyzing trace with hash 997159282, now seen corresponding path program 1 times [2019-11-25 13:20:51,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:51,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393729089] [2019-11-25 13:20:51,394 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 [2019-11-25 13:20:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:51,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 13:20:51,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:51,722 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:51,807 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393729089] [2019-11-25 13:20:51,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:51,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-25 13:20:51,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827436236] [2019-11-25 13:20:51,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 13:20:51,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:51,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 13:20:51,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-25 13:20:51,833 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 8 states. [2019-11-25 13:20:51,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:51,937 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2019-11-25 13:20:51,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 13:20:51,940 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-25 13:20:51,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:51,953 INFO L225 Difference]: With dead ends: 49 [2019-11-25 13:20:51,953 INFO L226 Difference]: Without dead ends: 46 [2019-11-25 13:20:51,955 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-25 13:20:51,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-25 13:20:51,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2019-11-25 13:20:51,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-25 13:20:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-25 13:20:52,000 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 17 [2019-11-25 13:20:52,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:52,000 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-25 13:20:52,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 13:20:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-25 13:20:52,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-25 13:20:52,002 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:52,002 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] [2019-11-25 13:20:52,217 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 13:20:52,218 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]=== [2019-11-25 13:20:52,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:52,219 INFO L82 PathProgramCache]: Analyzing trace with hash 965683329, now seen corresponding path program 1 times [2019-11-25 13:20:52,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:52,220 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [677557857] [2019-11-25 13:20:52,221 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 [2019-11-25 13:20:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:52,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 13:20:52,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:52,409 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:52,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:52,520 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [677557857] [2019-11-25 13:20:52,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:52,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 13:20:52,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261809937] [2019-11-25 13:20:52,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 13:20:52,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:52,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 13:20:52,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 13:20:52,528 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 3 states. [2019-11-25 13:20:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:52,582 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-11-25 13:20:52,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 13:20:52,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-25 13:20:52,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:52,586 INFO L225 Difference]: With dead ends: 54 [2019-11-25 13:20:52,586 INFO L226 Difference]: Without dead ends: 43 [2019-11-25 13:20:52,587 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 [2019-11-25 13:20:52,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-25 13:20:52,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-25 13:20:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-25 13:20:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-25 13:20:52,601 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2019-11-25 13:20:52,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:52,601 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-25 13:20:52,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 13:20:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-25 13:20:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-25 13:20:52,603 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:52,603 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] [2019-11-25 13:20:52,810 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 13:20:52,811 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]=== [2019-11-25 13:20:52,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:52,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1103285257, now seen corresponding path program 1 times [2019-11-25 13:20:52,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:52,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194967062] [2019-11-25 13:20:52,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 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 [2019-11-25 13:20:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:52,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-25 13:20:53,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:53,076 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:53,170 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194967062] [2019-11-25 13:20:53,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:53,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-25 13:20:53,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209194471] [2019-11-25 13:20:53,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 13:20:53,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:53,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 13:20:53,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-25 13:20:53,174 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2019-11-25 13:20:53,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:53,225 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-11-25 13:20:53,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 13:20:53,227 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-11-25 13:20:53,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:53,228 INFO L225 Difference]: With dead ends: 42 [2019-11-25 13:20:53,228 INFO L226 Difference]: Without dead ends: 42 [2019-11-25 13:20:53,228 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 [2019-11-25 13:20:53,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-25 13:20:53,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-11-25 13:20:53,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-25 13:20:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-25 13:20:53,240 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2019-11-25 13:20:53,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:53,241 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-25 13:20:53,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 13:20:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-25 13:20:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 13:20:53,243 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:53,243 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] [2019-11-25 13:20:53,449 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 13:20:53,450 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]=== [2019-11-25 13:20:53,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:53,451 INFO L82 PathProgramCache]: Analyzing trace with hash 157895800, now seen corresponding path program 1 times [2019-11-25 13:20:53,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:53,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396875617] [2019-11-25 13:20:53,453 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 [2019-11-25 13:20:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:53,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 13:20:53,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:53,790 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:54,134 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396875617] [2019-11-25 13:20:54,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:54,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2019-11-25 13:20:54,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034703774] [2019-11-25 13:20:54,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-25 13:20:54,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:54,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-25 13:20:54,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2019-11-25 13:20:54,136 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 17 states. [2019-11-25 13:20:54,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:54,576 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2019-11-25 13:20:54,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-25 13:20:54,577 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 24 [2019-11-25 13:20:54,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:54,580 INFO L225 Difference]: With dead ends: 53 [2019-11-25 13:20:54,580 INFO L226 Difference]: Without dead ends: 51 [2019-11-25 13:20:54,580 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 [2019-11-25 13:20:54,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-25 13:20:54,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2019-11-25 13:20:54,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-25 13:20:54,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-11-25 13:20:54,587 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 24 [2019-11-25 13:20:54,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:54,588 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-11-25 13:20:54,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-25 13:20:54,588 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-11-25 13:20:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-25 13:20:54,589 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:54,589 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] [2019-11-25 13:20:54,789 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 13:20:54,790 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]=== [2019-11-25 13:20:54,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:54,791 INFO L82 PathProgramCache]: Analyzing trace with hash 599802905, now seen corresponding path program 1 times [2019-11-25 13:20:54,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:54,792 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098210788] [2019-11-25 13:20:54,792 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 [2019-11-25 13:20:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:54,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 13:20:54,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:54,949 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 13:20:54,950 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:20:54,958 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:20:54,958 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:20:54,959 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 13:20:55,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:55,025 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:55,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:55,126 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1098210788] [2019-11-25 13:20:55,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:55,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-25 13:20:55,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951144300] [2019-11-25 13:20:55,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 13:20:55,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:55,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 13:20:55,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-25 13:20:55,128 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 9 states. [2019-11-25 13:20:55,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:55,289 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2019-11-25 13:20:55,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 13:20:55,292 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-25 13:20:55,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:55,293 INFO L225 Difference]: With dead ends: 50 [2019-11-25 13:20:55,293 INFO L226 Difference]: Without dead ends: 50 [2019-11-25 13:20:55,293 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 [2019-11-25 13:20:55,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-25 13:20:55,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2019-11-25 13:20:55,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-25 13:20:55,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2019-11-25 13:20:55,300 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 25 [2019-11-25 13:20:55,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:55,300 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2019-11-25 13:20:55,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 13:20:55,300 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2019-11-25 13:20:55,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-25 13:20:55,301 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:55,301 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] [2019-11-25 13:20:55,514 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-25 13:20:55,515 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]=== [2019-11-25 13:20:55,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:55,515 INFO L82 PathProgramCache]: Analyzing trace with hash 306399898, now seen corresponding path program 1 times [2019-11-25 13:20:55,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:55,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371742151] [2019-11-25 13:20:55,516 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 [2019-11-25 13:20:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:55,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-25 13:20:55,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:55,723 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:55,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371742151] [2019-11-25 13:20:55,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:55,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-25 13:20:55,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135126708] [2019-11-25 13:20:55,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 13:20:55,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:55,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 13:20:55,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-25 13:20:55,794 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 9 states. [2019-11-25 13:20:55,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:55,860 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-11-25 13:20:55,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 13:20:55,861 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-25 13:20:55,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:55,862 INFO L225 Difference]: With dead ends: 47 [2019-11-25 13:20:55,863 INFO L226 Difference]: Without dead ends: 47 [2019-11-25 13:20:55,863 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 [2019-11-25 13:20:55,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-25 13:20:55,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2019-11-25 13:20:55,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-25 13:20:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2019-11-25 13:20:55,868 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 25 [2019-11-25 13:20:55,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:55,869 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2019-11-25 13:20:55,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 13:20:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-11-25 13:20:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-25 13:20:55,870 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:55,870 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] [2019-11-25 13:20:56,070 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-25 13:20:56,071 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]=== [2019-11-25 13:20:56,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:56,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1123950726, now seen corresponding path program 1 times [2019-11-25 13:20:56,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:56,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720829017] [2019-11-25 13:20:56,072 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 [2019-11-25 13:20:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:56,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 13:20:56,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:56,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:56,243 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:56,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:56,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720829017] [2019-11-25 13:20:56,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:56,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-11-25 13:20:56,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441880227] [2019-11-25 13:20:56,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 13:20:56,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:56,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 13:20:56,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-25 13:20:56,418 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2019-11-25 13:20:56,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:56,557 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2019-11-25 13:20:56,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 13:20:56,563 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-11-25 13:20:56,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:56,564 INFO L225 Difference]: With dead ends: 47 [2019-11-25 13:20:56,564 INFO L226 Difference]: Without dead ends: 45 [2019-11-25 13:20:56,564 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 [2019-11-25 13:20:56,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-25 13:20:56,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2019-11-25 13:20:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-25 13:20:56,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2019-11-25 13:20:56,573 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 27 [2019-11-25 13:20:56,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:56,573 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2019-11-25 13:20:56,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 13:20:56,574 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2019-11-25 13:20:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-25 13:20:56,575 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:56,576 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] [2019-11-25 13:20:56,776 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-25 13:20:56,777 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]=== [2019-11-25 13:20:56,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:56,777 INFO L82 PathProgramCache]: Analyzing trace with hash 2141245867, now seen corresponding path program 1 times [2019-11-25 13:20:56,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:56,778 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977634979] [2019-11-25 13:20:56,778 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 [2019-11-25 13:20:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:56,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-25 13:20:56,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:56,928 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:20:56,929 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 [2019-11-25 13:20:56,929 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:20:56,945 INFO L588 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-25 13:20:56,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:20:56,949 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. [2019-11-25 13:20:56,949 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:15 [2019-11-25 13:20:56,950 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:20:56,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:20:56,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:20:56,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:05,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:21:05,270 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:11,761 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-25 13:21:11,763 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.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:351) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 13:21:11,773 INFO L168 Benchmark]: Toolchain (without parser) took 23085.74 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 314.0 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -239.9 MB). Peak memory consumption was 74.2 MB. Max. memory is 11.5 GB. [2019-11-25 13:21:11,773 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:21:11,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 932.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-25 13:21:11,778 INFO L168 Benchmark]: Boogie Preprocessor took 113.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:21:11,778 INFO L168 Benchmark]: RCFGBuilder took 1521.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.7 MB in the end (delta: 117.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. [2019-11-25 13:21:11,780 INFO L168 Benchmark]: TraceAbstraction took 20512.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.3 MB). Free memory was 988.7 MB in the beginning and 1.2 GB in the end (delta: -203.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:21:11,783 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 932.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1521.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.7 MB in the end (delta: 117.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20512.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.3 MB). Free memory was 988.7 MB in the beginning and 1.2 GB in the end (delta: -203.5 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...