./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3d056a1f 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_test17_2-2.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 902bca7b1502ca5dcb44bb7e7d9bc6d169c57d43 ......................................................................................................................... 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_test17_2-2.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 902bca7b1502ca5dcb44bb7e7d9bc6d169c57d43 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-3d056a1 [2019-11-22 13:44:59,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 13:44:59,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 13:44:59,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 13:44:59,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 13:44:59,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 13:44:59,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 13:44:59,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 13:44:59,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 13:44:59,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 13:44:59,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 13:44:59,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 13:44:59,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 13:44:59,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 13:44:59,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 13:44:59,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 13:44:59,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 13:44:59,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 13:44:59,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 13:44:59,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 13:44:59,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 13:44:59,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 13:44:59,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 13:44:59,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 13:44:59,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 13:44:59,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 13:44:59,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 13:44:59,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 13:44:59,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 13:44:59,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 13:44:59,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 13:44:59,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 13:44:59,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 13:44:59,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 13:44:59,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 13:44:59,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 13:44:59,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 13:44:59,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 13:44:59,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 13:44:59,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 13:44:59,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 13:44:59,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-22 13:44:59,722 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 13:44:59,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 13:44:59,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 13:44:59,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 13:44:59,725 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 13:44:59,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 13:44:59,726 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 13:44:59,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 13:44:59,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 13:44:59,726 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 13:44:59,727 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 13:44:59,728 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 13:44:59,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 13:44:59,728 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 13:44:59,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 13:44:59,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 13:44:59,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 13:44:59,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 13:44:59,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 13:44:59,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 13:44:59,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 13:44:59,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 13:44:59,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-22 13:44:59,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-22 13:44:59,731 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 -> 902bca7b1502ca5dcb44bb7e7d9bc6d169c57d43 [2019-11-22 13:45:00,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 13:45:00,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 13:45:00,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 13:45:00,096 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 13:45:00,097 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 13:45:00,097 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-22 13:45:00,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea11298e/df84a953d270438197a28faee8c2906d/FLAG1266d055d [2019-11-22 13:45:00,671 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 13:45:00,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-22 13:45:00,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea11298e/df84a953d270438197a28faee8c2906d/FLAG1266d055d [2019-11-22 13:45:00,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea11298e/df84a953d270438197a28faee8c2906d [2019-11-22 13:45:00,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 13:45:00,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 13:45:00,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 13:45:00,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 13:45:00,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 13:45:00,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:45:00" (1/1) ... [2019-11-22 13:45:00,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c16723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:00, skipping insertion in model container [2019-11-22 13:45:00,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:45:00" (1/1) ... [2019-11-22 13:45:01,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 13:45:01,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 13:45:01,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:45:01,676 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) [2019-11-22 13:45:01,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5970f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:01, skipping insertion in model container [2019-11-22 13:45:01,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 13:45:01,678 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-22 13:45:01,680 INFO L168 Benchmark]: Toolchain (without parser) took 697.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -136.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-22 13:45:01,681 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 13:45:01,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -136.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-22 13:45:01,684 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 694.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -136.3 MB). Peak memory consumption was 20.9 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 0.1.24-3d056a1 [2019-11-22 13:45:03,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 13:45:03,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 13:45:03,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 13:45:03,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 13:45:03,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 13:45:03,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 13:45:03,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 13:45:03,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 13:45:03,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 13:45:03,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 13:45:03,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 13:45:03,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 13:45:03,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 13:45:03,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 13:45:03,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 13:45:03,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 13:45:03,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 13:45:03,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 13:45:03,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 13:45:03,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 13:45:03,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 13:45:03,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 13:45:03,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 13:45:03,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 13:45:03,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 13:45:03,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 13:45:03,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 13:45:03,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 13:45:03,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 13:45:03,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 13:45:03,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 13:45:03,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 13:45:03,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 13:45:03,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 13:45:03,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 13:45:03,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 13:45:03,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 13:45:03,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 13:45:03,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 13:45:03,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 13:45:03,529 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-22 13:45:03,550 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 13:45:03,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 13:45:03,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 13:45:03,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 13:45:03,552 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 13:45:03,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 13:45:03,553 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 13:45:03,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 13:45:03,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 13:45:03,553 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 13:45:03,554 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 13:45:03,555 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 13:45:03,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 13:45:03,555 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 13:45:03,556 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 13:45:03,556 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 13:45:03,556 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 13:45:03,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 13:45:03,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 13:45:03,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 13:45:03,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 13:45:03,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 13:45:03,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 13:45:03,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 13:45:03,558 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 13:45:03,558 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 13:45:03,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 13:45:03,559 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 -> 902bca7b1502ca5dcb44bb7e7d9bc6d169c57d43 [2019-11-22 13:45:03,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 13:45:03,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 13:45:03,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 13:45:03,867 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 13:45:03,868 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 13:45:03,869 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-22 13:45:03,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59c1c44ed/46e72814e8934bd7b2be67d4c9616267/FLAG8406489fb [2019-11-22 13:45:04,444 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 13:45:04,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-22 13:45:04,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59c1c44ed/46e72814e8934bd7b2be67d4c9616267/FLAG8406489fb [2019-11-22 13:45:04,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59c1c44ed/46e72814e8934bd7b2be67d4c9616267 [2019-11-22 13:45:04,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 13:45:04,702 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 13:45:04,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 13:45:04,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 13:45:04,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 13:45:04,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:45:04" (1/1) ... [2019-11-22 13:45:04,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68275591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:04, skipping insertion in model container [2019-11-22 13:45:04,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:45:04" (1/1) ... [2019-11-22 13:45:04,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 13:45:04,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 13:45:05,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:45:05,339 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 13:45:05,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 13:45:05,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:45:05,479 INFO L203 MainTranslator]: Completed pre-run [2019-11-22 13:45:05,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:45:05,605 INFO L208 MainTranslator]: Completed translation [2019-11-22 13:45:05,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:05 WrapperNode [2019-11-22 13:45:05,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 13:45:05,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 13:45:05,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 13:45:05,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 13:45:05,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:05" (1/1) ... [2019-11-22 13:45:05,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:05" (1/1) ... [2019-11-22 13:45:05,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:05" (1/1) ... [2019-11-22 13:45:05,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:05" (1/1) ... [2019-11-22 13:45:05,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:05" (1/1) ... [2019-11-22 13:45:05,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:05" (1/1) ... [2019-11-22 13:45:05,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:05" (1/1) ... [2019-11-22 13:45:05,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 13:45:05,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 13:45:05,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 13:45:05,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 13:45:05,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:05" (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 [2019-11-22 13:45:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 13:45:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 13:45:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 13:45:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 13:45:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 13:45:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 13:45:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 13:45:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 13:45:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 13:45:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 13:45:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 13:45:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 13:45:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 13:45:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 13:45:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 13:45:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 13:45:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 13:45:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 13:45:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 13:45:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 13:45:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 13:45:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 13:45:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 13:45:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 13:45:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 13:45:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 13:45:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 13:45:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 13:45:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 13:45:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 13:45:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 13:45:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 13:45:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 13:45:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 13:45:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 13:45:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 13:45:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 13:45:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 13:45:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 13:45:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 13:45:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 13:45:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 13:45:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-11-22 13:45:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-22 13:45:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 13:45:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 13:45:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 13:45:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 13:45:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 13:45:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 13:45:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 13:45:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 13:45:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 13:45:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 13:45:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 13:45:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 13:45:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 13:45:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 13:45:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 13:45:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 13:45:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 13:45:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 13:45:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 13:45:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 13:45:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 13:45:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 13:45:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 13:45:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 13:45:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 13:45:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 13:45:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 13:45:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 13:45:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 13:45:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 13:45:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 13:45:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 13:45:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 13:45:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 13:45:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 13:45:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 13:45:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 13:45:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 13:45:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 13:45:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 13:45:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 13:45:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 13:45:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 13:45:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 13:45:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 13:45:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 13:45:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 13:45:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 13:45:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 13:45:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 13:45:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 13:45:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 13:45:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 13:45:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 13:45:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 13:45:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 13:45:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 13:45:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 13:45:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 13:45:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 13:45:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 13:45:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 13:45:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 13:45:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 13:45:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 13:45:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 13:45:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 13:45:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 13:45:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 13:45:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 13:45:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 13:45:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 13:45:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 13:45:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 13:45:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 13:45:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 13:45:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 13:45:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 13:45:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 13:45:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 13:45:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 13:45:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 13:45:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 13:45:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 13:45:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 13:45:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 13:45:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 13:45:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 13:45:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 13:45:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 13:45:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 13:45:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 13:45:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 13:45:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 13:45:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 13:45:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 13:45:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 13:45:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 13:45:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 13:45:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 13:45:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 13:45:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 13:45:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 13:45:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 13:45:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 13:45:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 13:45:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 13:45:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 13:45:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 13:45:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 13:45:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 13:45:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 13:45:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 13:45:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 13:45:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 13:45:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 13:45:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 13:45:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 13:45:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 13:45:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 13:45:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 13:45:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 13:45:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 13:45:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 13:45:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 13:45:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 13:45:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 13:45:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 13:45:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 13:45:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 13:45:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 13:45:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 13:45:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 13:45:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 13:45:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 13:45:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 13:45:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 13:45:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 13:45:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 13:45:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 13:45:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 13:45:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 13:45:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 13:45:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 13:45:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 13:45:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 13:45:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 13:45:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 13:45:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 13:45:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 13:45:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 13:45:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 13:45:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 13:45:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 13:45:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 13:45:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 13:45:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 13:45:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 13:45:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 13:45:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 13:45:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-22 13:45:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-11-22 13:45:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-22 13:45:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 13:45:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 13:45:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 13:45:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 13:45:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 13:45:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 13:45:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 13:45:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 13:45:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 13:45:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 13:45:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 13:45:06,492 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 13:45:06,874 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 13:45:07,441 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 13:45:07,441 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-22 13:45:07,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:45:07 BoogieIcfgContainer [2019-11-22 13:45:07,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 13:45:07,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 13:45:07,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 13:45:07,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 13:45:07,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:45:04" (1/3) ... [2019-11-22 13:45:07,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7343cc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:45:07, skipping insertion in model container [2019-11-22 13:45:07,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:05" (2/3) ... [2019-11-22 13:45:07,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7343cc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:45:07, skipping insertion in model container [2019-11-22 13:45:07,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:45:07" (3/3) ... [2019-11-22 13:45:07,455 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2-2.i [2019-11-22 13:45:07,465 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 13:45:07,474 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2019-11-22 13:45:07,485 INFO L249 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2019-11-22 13:45:07,506 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 13:45:07,507 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 13:45:07,507 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 13:45:07,507 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 13:45:07,508 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 13:45:07,508 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 13:45:07,508 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 13:45:07,508 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 13:45:07,530 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-11-22 13:45:07,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-22 13:45:07,540 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:45:07,541 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] [2019-11-22 13:45:07,543 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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:45:07,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:45:07,550 INFO L82 PathProgramCache]: Analyzing trace with hash 78607545, now seen corresponding path program 1 times [2019-11-22 13:45:07,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:45:07,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1500011302] [2019-11-22 13:45:07,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:45:07,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 13:45:07,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:45:08,084 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 [2019-11-22 13:45:08,085 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:45:08,103 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:08,103 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:45:08,104 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 13:45:08,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:08,148 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:45:08,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:08,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1500011302] [2019-11-22 13:45:08,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:45:08,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 13:45:08,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204047311] [2019-11-22 13:45:08,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 13:45:08,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:45:08,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 13:45:08,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:45:08,296 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 5 states. [2019-11-22 13:45:08,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:45:08,587 INFO L93 Difference]: Finished difference Result 93 states and 105 transitions. [2019-11-22 13:45:08,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 13:45:08,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-22 13:45:08,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:45:08,607 INFO L225 Difference]: With dead ends: 93 [2019-11-22 13:45:08,608 INFO L226 Difference]: Without dead ends: 90 [2019-11-22 13:45:08,624 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:45:08,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-22 13:45:08,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2019-11-22 13:45:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-22 13:45:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2019-11-22 13:45:08,696 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 22 [2019-11-22 13:45:08,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:45:08,697 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2019-11-22 13:45:08,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 13:45:08,697 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2019-11-22 13:45:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-22 13:45:08,700 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:45:08,700 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] [2019-11-22 13:45:08,907 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:08,909 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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:45:08,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:45:08,910 INFO L82 PathProgramCache]: Analyzing trace with hash 78607546, now seen corresponding path program 1 times [2019-11-22 13:45:08,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:45:08,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1279400708] [2019-11-22 13:45:08,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:45:09,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-22 13:45:09,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:45:09,277 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 [2019-11-22 13:45:09,277 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:45:09,286 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:09,286 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:45:09,287 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 13:45:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:09,477 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:45:10,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:45:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:10,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1279400708] [2019-11-22 13:45:10,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:45:10,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 8] imperfect sequences [] total 17 [2019-11-22 13:45:10,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035441331] [2019-11-22 13:45:10,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-22 13:45:10,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:45:10,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-22 13:45:10,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-22 13:45:10,746 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 18 states. [2019-11-22 13:45:12,374 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2019-11-22 13:45:12,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:45:12,953 INFO L93 Difference]: Finished difference Result 100 states and 116 transitions. [2019-11-22 13:45:12,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-22 13:45:12,954 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2019-11-22 13:45:12,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:45:12,957 INFO L225 Difference]: With dead ends: 100 [2019-11-22 13:45:12,957 INFO L226 Difference]: Without dead ends: 100 [2019-11-22 13:45:12,958 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2019-11-22 13:45:12,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-11-22 13:45:12,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 91. [2019-11-22 13:45:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-22 13:45:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2019-11-22 13:45:12,975 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 22 [2019-11-22 13:45:12,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:45:12,975 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2019-11-22 13:45:12,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-22 13:45:12,976 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2019-11-22 13:45:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-22 13:45:12,977 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:45:12,977 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] [2019-11-22 13:45:13,177 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:13,181 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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:45:13,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:45:13,181 INFO L82 PathProgramCache]: Analyzing trace with hash 966111226, now seen corresponding path program 1 times [2019-11-22 13:45:13,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:45:13,183 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [713672088] [2019-11-22 13:45:13,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:45:13,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 13:45:13,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:45:13,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:13,457 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:45:13,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:13,508 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [713672088] [2019-11-22 13:45:13,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:45:13,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 13:45:13,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706070331] [2019-11-22 13:45:13,510 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 13:45:13,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:45:13,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 13:45:13,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:45:13,511 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand 5 states. [2019-11-22 13:45:13,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:45:13,565 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2019-11-22 13:45:13,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 13:45:13,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-22 13:45:13,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:45:13,567 INFO L225 Difference]: With dead ends: 90 [2019-11-22 13:45:13,567 INFO L226 Difference]: Without dead ends: 90 [2019-11-22 13:45:13,567 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:45:13,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-22 13:45:13,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2019-11-22 13:45:13,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-22 13:45:13,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2019-11-22 13:45:13,588 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 22 [2019-11-22 13:45:13,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:45:13,588 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2019-11-22 13:45:13,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 13:45:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2019-11-22 13:45:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-22 13:45:13,591 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:45:13,591 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] [2019-11-22 13:45:13,791 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:13,793 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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:45:13,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:45:13,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1857306545, now seen corresponding path program 1 times [2019-11-22 13:45:13,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:45:13,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1157243468] [2019-11-22 13:45:13,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:45:14,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 13:45:14,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:45:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:14,045 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:45:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:14,126 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1157243468] [2019-11-22 13:45:14,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:45:14,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 13:45:14,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052743028] [2019-11-22 13:45:14,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 13:45:14,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:45:14,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 13:45:14,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:45:14,128 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 5 states. [2019-11-22 13:45:14,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:45:14,190 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2019-11-22 13:45:14,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 13:45:14,194 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-22 13:45:14,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:45:14,196 INFO L225 Difference]: With dead ends: 90 [2019-11-22 13:45:14,196 INFO L226 Difference]: Without dead ends: 90 [2019-11-22 13:45:14,196 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:45:14,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-22 13:45:14,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2019-11-22 13:45:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-22 13:45:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2019-11-22 13:45:14,204 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 23 [2019-11-22 13:45:14,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:45:14,205 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2019-11-22 13:45:14,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 13:45:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2019-11-22 13:45:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-22 13:45:14,206 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:45:14,206 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] [2019-11-22 13:45:14,408 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:14,410 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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:45:14,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:45:14,410 INFO L82 PathProgramCache]: Analyzing trace with hash -114496210, now seen corresponding path program 1 times [2019-11-22 13:45:14,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:45:14,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1241735997] [2019-11-22 13:45:14,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:45:14,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-22 13:45:14,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:45:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:14,656 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:45:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:14,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1241735997] [2019-11-22 13:45:14,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:45:14,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-22 13:45:14,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118147689] [2019-11-22 13:45:14,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-22 13:45:14,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:45:14,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-22 13:45:14,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 13:45:14,717 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 3 states. [2019-11-22 13:45:14,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:45:14,841 INFO L93 Difference]: Finished difference Result 126 states and 140 transitions. [2019-11-22 13:45:14,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-22 13:45:14,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-11-22 13:45:14,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:45:14,844 INFO L225 Difference]: With dead ends: 126 [2019-11-22 13:45:14,844 INFO L226 Difference]: Without dead ends: 121 [2019-11-22 13:45:14,845 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 13:45:14,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-22 13:45:14,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 86. [2019-11-22 13:45:14,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-22 13:45:14,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2019-11-22 13:45:14,853 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 23 [2019-11-22 13:45:14,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:45:14,853 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2019-11-22 13:45:14,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-22 13:45:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2019-11-22 13:45:14,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-22 13:45:14,854 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:45:14,854 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:45:15,057 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:15,058 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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:45:15,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:45:15,059 INFO L82 PathProgramCache]: Analyzing trace with hash -121920454, now seen corresponding path program 1 times [2019-11-22 13:45:15,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:45:15,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1742321954] [2019-11-22 13:45:15,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:45:15,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-22 13:45:15,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:45:15,424 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 [2019-11-22 13:45:15,425 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:45:15,433 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:15,433 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:45:15,434 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 13:45:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:15,803 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:45:17,124 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-22 13:45:17,471 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-11-22 13:45:17,910 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:17,910 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1742321954] [2019-11-22 13:45:17,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 13:45:17,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 23 [2019-11-22 13:45:17,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658302963] [2019-11-22 13:45:17,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-22 13:45:17,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:45:17,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-22 13:45:17,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=458, Unknown=0, NotChecked=0, Total=552 [2019-11-22 13:45:17,913 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand 24 states. [2019-11-22 13:45:19,391 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-22 13:45:19,837 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-11-22 13:45:20,345 WARN L192 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-11-22 13:45:20,891 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-11-22 13:45:21,295 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-22 13:45:21,597 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-11-22 13:45:22,773 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-11-22 13:45:23,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:45:23,380 INFO L93 Difference]: Finished difference Result 103 states and 119 transitions. [2019-11-22 13:45:23,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-22 13:45:23,382 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 28 [2019-11-22 13:45:23,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:45:23,383 INFO L225 Difference]: With dead ends: 103 [2019-11-22 13:45:23,383 INFO L226 Difference]: Without dead ends: 103 [2019-11-22 13:45:23,384 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=264, Invalid=1068, Unknown=0, NotChecked=0, Total=1332 [2019-11-22 13:45:23,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-22 13:45:23,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 98. [2019-11-22 13:45:23,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-11-22 13:45:23,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2019-11-22 13:45:23,393 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 28 [2019-11-22 13:45:23,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:45:23,393 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2019-11-22 13:45:23,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-22 13:45:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2019-11-22 13:45:23,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-22 13:45:23,395 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:45:23,395 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, 1, 1, 1, 1, 1] [2019-11-22 13:45:23,598 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:23,599 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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:45:23,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:45:23,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1984551823, now seen corresponding path program 1 times [2019-11-22 13:45:23,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:45:23,602 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [389379973] [2019-11-22 13:45:23,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:45:23,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-22 13:45:23,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:45:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:23,987 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:45:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:24,200 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [389379973] [2019-11-22 13:45:24,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 13:45:24,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 14 [2019-11-22 13:45:24,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40633287] [2019-11-22 13:45:24,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-22 13:45:24,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:45:24,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-22 13:45:24,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2019-11-22 13:45:24,202 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 14 states. [2019-11-22 13:45:24,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:45:24,550 INFO L93 Difference]: Finished difference Result 140 states and 160 transitions. [2019-11-22 13:45:24,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-22 13:45:24,551 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2019-11-22 13:45:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:45:24,554 INFO L225 Difference]: With dead ends: 140 [2019-11-22 13:45:24,554 INFO L226 Difference]: Without dead ends: 137 [2019-11-22 13:45:24,554 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2019-11-22 13:45:24,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-22 13:45:24,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 99. [2019-11-22 13:45:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-22 13:45:24,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 111 transitions. [2019-11-22 13:45:24,573 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 111 transitions. Word has length 35 [2019-11-22 13:45:24,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:45:24,574 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 111 transitions. [2019-11-22 13:45:24,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-22 13:45:24,574 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2019-11-22 13:45:24,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-22 13:45:24,577 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:45:24,577 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2019-11-22 13:45:24,778 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:24,779 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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:45:24,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:45:24,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1643543858, now seen corresponding path program 1 times [2019-11-22 13:45:24,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:45:24,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1265876374] [2019-11-22 13:45:24,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:45:25,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-22 13:45:25,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:45:25,118 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 [2019-11-22 13:45:25,118 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:45:25,121 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:25,121 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:45:25,121 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 13:45:25,236 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:25,237 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2019-11-22 13:45:25,238 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:45:25,259 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-22 13:45:25,260 INFO L496 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. [2019-11-22 13:45:25,260 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-22 13:45:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-22 13:45:25,289 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:45:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:27,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1265876374] [2019-11-22 13:45:27,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-22 13:45:27,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2019-11-22 13:45:27,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567544474] [2019-11-22 13:45:27,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-22 13:45:27,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:45:27,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-22 13:45:27,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=173, Unknown=1, NotChecked=0, Total=210 [2019-11-22 13:45:27,641 INFO L87 Difference]: Start difference. First operand 99 states and 111 transitions. Second operand 8 states. [2019-11-22 13:45:46,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:45:46,255 INFO L93 Difference]: Finished difference Result 157 states and 182 transitions. [2019-11-22 13:45:46,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-22 13:45:46,256 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-11-22 13:45:46,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:45:46,258 INFO L225 Difference]: With dead ends: 157 [2019-11-22 13:45:46,258 INFO L226 Difference]: Without dead ends: 157 [2019-11-22 13:45:46,258 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 54 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=83, Invalid=377, Unknown=2, NotChecked=0, Total=462 [2019-11-22 13:45:46,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-22 13:45:46,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 105. [2019-11-22 13:45:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-22 13:45:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2019-11-22 13:45:46,280 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 35 [2019-11-22 13:45:46,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:45:46,280 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2019-11-22 13:45:46,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-22 13:45:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2019-11-22 13:45:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-22 13:45:46,286 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:45:46,286 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2019-11-22 13:45:46,492 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:46,493 INFO L410 AbstractCegarLoop]: === Iteration 9 === [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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:45:46,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:45:46,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1643543857, now seen corresponding path program 1 times [2019-11-22 13:45:46,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:45:46,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [236745530] [2019-11-22 13:45:46,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:45:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:45:46,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 35 conjunts are in the unsatisfiable core [2019-11-22 13:45:46,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:45:46,846 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 [2019-11-22 13:45:46,846 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:45:46,856 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:46,859 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 [2019-11-22 13:45:46,859 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 13:45:46,868 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:46,868 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:45:46,869 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-22 13:45:49,371 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:49,372 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-22 13:45:49,373 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:45:49,398 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:49,403 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-22 13:45:49,404 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 13:45:49,422 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:49,424 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 13:45:49,424 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:37, output treesize:21 [2019-11-22 13:45:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:49,486 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:45:49,730 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:45:50,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:45:50,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:45:50,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:45:52,761 WARN L192 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-11-22 13:45:52,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:45:55,343 INFO L392 ElimStorePlain]: Different costs {1=[|v_#valid_231|], 2=[|v_#length_186|]} [2019-11-22 13:45:55,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 13:45:55,349 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:45:55,349 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:55,350 INFO L464 ElimStorePlain]: Eliminatee |v_#length_186| vanished before elimination [2019-11-22 13:45:55,350 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:45:55,350 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:30, output treesize:1 [2019-11-22 13:45:55,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:45:55,898 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-22 13:45:55,911 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-22 13:45:55,912 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:45:55,930 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:55,933 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-22 13:45:55,934 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 13:45:55,951 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:45:55,951 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 13:45:55,951 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:34, output treesize:17 [2019-11-22 13:45:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:45:56,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [236745530] [2019-11-22 13:45:56,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 13:45:56,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 29 [2019-11-22 13:45:56,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119359070] [2019-11-22 13:45:56,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-11-22 13:45:56,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:45:56,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-11-22 13:45:56,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=777, Unknown=1, NotChecked=0, Total=870 [2019-11-22 13:45:56,165 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 30 states. [2019-11-22 13:46:57,945 WARN L192 SmtUtils]: Spent 18.44 s on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2019-11-22 13:47:00,480 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-11-22 13:47:03,334 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2019-11-22 13:47:04,052 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2019-11-22 13:47:20,155 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-11-22 13:47:52,388 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-22 13:48:37,416 WARN L192 SmtUtils]: Spent 7.23 s on a formula simplification that was a NOOP. DAG size: 51 [2019-11-22 13:49:30,124 WARN L192 SmtUtils]: Spent 36.37 s on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-11-22 13:50:01,777 WARN L192 SmtUtils]: Spent 6.16 s on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-22 13:50:07,279 WARN L192 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-11-22 13:50:12,851 WARN L192 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-11-22 13:50:23,729 WARN L192 SmtUtils]: Spent 8.76 s on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-11-22 13:50:35,381 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-11-22 13:51:35,107 WARN L192 SmtUtils]: Spent 54.58 s on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-11-22 13:51:37,632 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-11-22 13:51:49,879 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-11-22 13:51:56,847 WARN L192 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-11-22 13:52:37,035 WARN L192 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2019-11-22 13:52:54,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:52:54,320 INFO L93 Difference]: Finished difference Result 379 states and 466 transitions. [2019-11-22 13:52:54,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-11-22 13:52:54,322 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 35 [2019-11-22 13:52:54,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:52:54,348 INFO L225 Difference]: With dead ends: 379 [2019-11-22 13:52:54,348 INFO L226 Difference]: Without dead ends: 379 [2019-11-22 13:52:54,353 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 197.4s TimeCoverageRelationStatistics Valid=530, Invalid=4578, Unknown=4, NotChecked=0, Total=5112 [2019-11-22 13:52:54,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-11-22 13:52:54,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 196. [2019-11-22 13:52:54,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-11-22 13:52:54,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 269 transitions. [2019-11-22 13:52:54,375 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 269 transitions. Word has length 35 [2019-11-22 13:52:54,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:52:54,376 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 269 transitions. [2019-11-22 13:52:54,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-11-22 13:52:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 269 transitions. [2019-11-22 13:52:54,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-22 13:52:54,378 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:52:54,378 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1] [2019-11-22 13:52:54,582 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:52:54,583 INFO L410 AbstractCegarLoop]: === Iteration 10 === [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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:52:54,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:52:54,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1102273563, now seen corresponding path program 1 times [2019-11-22 13:52:54,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:52:54,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [271614821] [2019-11-22 13:52:54,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:52:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:52:54,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 13:52:54,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:52:54,856 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-22 13:52:54,856 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:52:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-22 13:52:54,897 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [271614821] [2019-11-22 13:52:54,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:52:54,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 13:52:54,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26822645] [2019-11-22 13:52:54,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 13:52:54,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:52:54,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 13:52:54,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:52:54,901 INFO L87 Difference]: Start difference. First operand 196 states and 269 transitions. Second operand 5 states. [2019-11-22 13:52:54,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:52:54,950 INFO L93 Difference]: Finished difference Result 209 states and 276 transitions. [2019-11-22 13:52:54,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 13:52:54,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-22 13:52:54,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:52:54,954 INFO L225 Difference]: With dead ends: 209 [2019-11-22 13:52:54,954 INFO L226 Difference]: Without dead ends: 209 [2019-11-22 13:52:54,955 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-22 13:52:54,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-11-22 13:52:54,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 186. [2019-11-22 13:52:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-11-22 13:52:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 246 transitions. [2019-11-22 13:52:54,965 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 246 transitions. Word has length 37 [2019-11-22 13:52:54,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:52:54,965 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 246 transitions. [2019-11-22 13:52:54,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 13:52:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2019-11-22 13:52:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-22 13:52:54,968 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:52:54,968 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1] [2019-11-22 13:52:55,171 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:52:55,172 INFO L410 AbstractCegarLoop]: === Iteration 11 === [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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:52:55,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:52:55,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1449883398, now seen corresponding path program 1 times [2019-11-22 13:52:55,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:52:55,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1899554958] [2019-11-22 13:52:55,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:52:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:52:55,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-22 13:52:55,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:52:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-22 13:52:55,477 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:52:55,512 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-22 13:52:55,513 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1899554958] [2019-11-22 13:52:55,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:52:55,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-22 13:52:55,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909527829] [2019-11-22 13:52:55,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-22 13:52:55,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:52:55,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-22 13:52:55,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-22 13:52:55,515 INFO L87 Difference]: Start difference. First operand 186 states and 246 transitions. Second operand 6 states. [2019-11-22 13:52:55,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:52:55,606 INFO L93 Difference]: Finished difference Result 194 states and 244 transitions. [2019-11-22 13:52:55,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 13:52:55,607 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-22 13:52:55,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:52:55,610 INFO L225 Difference]: With dead ends: 194 [2019-11-22 13:52:55,610 INFO L226 Difference]: Without dead ends: 194 [2019-11-22 13:52:55,610 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-22 13:52:55,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-22 13:52:55,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 173. [2019-11-22 13:52:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-11-22 13:52:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 223 transitions. [2019-11-22 13:52:55,618 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 223 transitions. Word has length 37 [2019-11-22 13:52:55,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:52:55,619 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 223 transitions. [2019-11-22 13:52:55,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-22 13:52:55,619 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 223 transitions. [2019-11-22 13:52:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-22 13:52:55,620 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:52:55,620 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2019-11-22 13:52:55,832 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:52:55,833 INFO L410 AbstractCegarLoop]: === Iteration 12 === [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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:52:55,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:52:55,834 INFO L82 PathProgramCache]: Analyzing trace with hash -2061012070, now seen corresponding path program 1 times [2019-11-22 13:52:55,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:52:55,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1855464790] [2019-11-22 13:52:55,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:52:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:52:56,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 13:52:56,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:52:56,168 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-22 13:52:56,169 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:52:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-22 13:52:56,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1855464790] [2019-11-22 13:52:56,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:52:56,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 13:52:56,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965541737] [2019-11-22 13:52:56,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 13:52:56,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:52:56,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 13:52:56,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:52:56,210 INFO L87 Difference]: Start difference. First operand 173 states and 223 transitions. Second operand 5 states. [2019-11-22 13:52:56,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:52:56,244 INFO L93 Difference]: Finished difference Result 150 states and 177 transitions. [2019-11-22 13:52:56,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 13:52:56,245 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-11-22 13:52:56,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:52:56,246 INFO L225 Difference]: With dead ends: 150 [2019-11-22 13:52:56,247 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 13:52:56,247 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:52:56,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 13:52:56,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2019-11-22 13:52:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-22 13:52:56,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 175 transitions. [2019-11-22 13:52:56,253 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 175 transitions. Word has length 38 [2019-11-22 13:52:56,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:52:56,254 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 175 transitions. [2019-11-22 13:52:56,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 13:52:56,254 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 175 transitions. [2019-11-22 13:52:56,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-22 13:52:56,255 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:52:56,255 INFO L410 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:52:56,458 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:52:56,459 INFO L410 AbstractCegarLoop]: === Iteration 13 === [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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:52:56,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:52:56,460 INFO L82 PathProgramCache]: Analyzing trace with hash -41475270, now seen corresponding path program 2 times [2019-11-22 13:52:56,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:52:56,461 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1567144956] [2019-11-22 13:52:56,461 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:52:56,803 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-22 13:52:56,804 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 13:52:56,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-22 13:52:56,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:52:56,836 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 [2019-11-22 13:52:56,837 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:52:56,843 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:52:56,844 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:52:56,844 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 13:52:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:52:57,719 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:52:58,996 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-11-22 13:52:59,572 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-11-22 13:52:59,974 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2019-11-22 13:53:00,844 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-11-22 13:53:01,416 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-11-22 13:53:02,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-22 13:53:03,408 WARN L192 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-11-22 13:53:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:53:04,318 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1567144956] [2019-11-22 13:53:04,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 13:53:04,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 33 [2019-11-22 13:53:04,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184383051] [2019-11-22 13:53:04,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-11-22 13:53:04,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:53:04,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-11-22 13:53:04,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=920, Unknown=0, NotChecked=0, Total=1122 [2019-11-22 13:53:04,320 INFO L87 Difference]: Start difference. First operand 148 states and 175 transitions. Second operand 34 states. [2019-11-22 13:53:05,701 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-11-22 13:53:06,405 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-11-22 13:53:07,169 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-11-22 13:53:08,220 WARN L192 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-11-22 13:53:08,748 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-11-22 13:53:09,425 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-11-22 13:53:10,075 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-11-22 13:53:10,667 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-11-22 13:53:14,188 WARN L192 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2019-11-22 13:53:16,202 WARN L192 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2019-11-22 13:53:19,297 WARN L192 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2019-11-22 13:53:21,233 WARN L192 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2019-11-22 13:53:23,827 WARN L192 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2019-11-22 13:53:25,817 WARN L192 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2019-11-22 13:53:27,904 WARN L192 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2019-11-22 13:53:29,497 WARN L192 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 28 [2019-11-22 13:53:30,954 WARN L192 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-11-22 13:53:32,216 WARN L192 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2019-11-22 13:53:33,170 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-22 13:53:34,661 WARN L192 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-11-22 13:53:35,307 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-11-22 13:53:37,461 WARN L192 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2019-11-22 13:53:40,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:53:40,424 INFO L93 Difference]: Finished difference Result 184 states and 250 transitions. [2019-11-22 13:53:40,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2019-11-22 13:53:40,427 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 40 [2019-11-22 13:53:40,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:53:40,429 INFO L225 Difference]: With dead ends: 184 [2019-11-22 13:53:40,429 INFO L226 Difference]: Without dead ends: 184 [2019-11-22 13:53:40,430 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 934 ImplicationChecksByTransitivity, 35.6s TimeCoverageRelationStatistics Valid=891, Invalid=3015, Unknown=0, NotChecked=0, Total=3906 [2019-11-22 13:53:40,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-22 13:53:40,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 172. [2019-11-22 13:53:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-11-22 13:53:40,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 207 transitions. [2019-11-22 13:53:40,446 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 207 transitions. Word has length 40 [2019-11-22 13:53:40,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:53:40,447 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 207 transitions. [2019-11-22 13:53:40,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-11-22 13:53:40,447 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 207 transitions. [2019-11-22 13:53:40,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-22 13:53:40,448 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:53:40,448 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:53:40,652 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:53:40,653 INFO L410 AbstractCegarLoop]: === Iteration 14 === [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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:53:40,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:53:40,654 INFO L82 PathProgramCache]: Analyzing trace with hash -541551802, now seen corresponding path program 1 times [2019-11-22 13:53:40,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:53:40,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1095102031] [2019-11-22 13:53:40,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:53:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:53:40,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-22 13:53:40,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:53:40,951 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 [2019-11-22 13:53:40,952 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:53:40,954 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:53:40,955 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:53:40,955 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 13:53:41,006 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-22 13:53:41,006 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:53:41,275 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:53:41,277 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:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 13:53:41,285 INFO L168 Benchmark]: Toolchain (without parser) took 516582.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 261.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -124.4 MB). Peak memory consumption was 136.7 MB. Max. memory is 11.5 GB. [2019-11-22 13:53:41,285 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 13:53:41,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 902.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-22 13:53:41,286 INFO L168 Benchmark]: Boogie Preprocessor took 111.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-22 13:53:41,286 INFO L168 Benchmark]: RCFGBuilder took 1724.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.6 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. [2019-11-22 13:53:41,286 INFO L168 Benchmark]: TraceAbstraction took 513839.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 980.6 MB in the beginning and 1.1 GB in the end (delta: -90.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-11-22 13:53:41,289 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 902.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1724.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.6 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 513839.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 980.6 MB in the beginning and 1.1 GB in the end (delta: -90.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...