./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6692e4fc 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_1-1.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 85051d52521692aaf1a0de9e5f8f895724c83314 ......................................................................................................................... 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_1-1.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 85051d52521692aaf1a0de9e5f8f895724c83314 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-6692e4f [2019-11-25 17:12:11,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:12:11,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:12:11,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:12:11,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:12:11,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:12:11,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:12:11,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:12:11,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:12:11,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:12:11,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:12:11,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:12:11,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:12:11,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:12:11,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:12:11,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:12:11,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:12:11,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:12:11,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:12:11,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:12:11,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:12:11,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:12:11,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:12:11,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:12:11,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:12:11,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:12:11,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:12:11,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:12:11,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:12:11,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:12:11,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:12:11,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:12:11,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:12:11,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:12:11,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:12:11,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:12:11,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:12:11,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:12:11,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:12:11,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:12:11,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:12:11,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-25 17:12:11,676 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:12:11,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:12:11,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:12:11,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:12:11,679 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:12:11,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:12:11,680 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 17:12:11,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:12:11,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:12:11,681 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 17:12:11,682 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 17:12:11,683 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 17:12:11,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:12:11,683 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 17:12:11,684 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:12:11,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:12:11,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:12:11,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:12:11,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:12:11,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:12:11,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:12:11,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:12:11,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 17:12:11,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 17:12:11,687 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 -> 85051d52521692aaf1a0de9e5f8f895724c83314 [2019-11-25 17:12:11,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:12:11,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:12:11,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:12:11,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:12:11,999 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:12:12,000 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-25 17:12:12,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865305b5b/1948ef9d73cf4cc0a77759f8d6e03ebb/FLAG71611904f [2019-11-25 17:12:12,604 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:12:12,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-25 17:12:12,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865305b5b/1948ef9d73cf4cc0a77759f8d6e03ebb/FLAG71611904f [2019-11-25 17:12:12,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865305b5b/1948ef9d73cf4cc0a77759f8d6e03ebb [2019-11-25 17:12:12,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:12:12,896 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 17:12:12,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:12:12,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:12:12,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:12:12,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:12" (1/1) ... [2019-11-25 17:12:12,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353a026b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:12, skipping insertion in model container [2019-11-25 17:12:12,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:12" (1/1) ... [2019-11-25 17:12:12,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:12:12,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:12:13,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:12:13,511 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-25 17:12:13,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34fcd677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:13, skipping insertion in model container [2019-11-25 17:12:13,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:12:13,512 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-25 17:12:13,514 INFO L168 Benchmark]: Toolchain (without parser) took 617.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-25 17:12:13,515 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. [2019-11-25 17:12:13,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-25 17:12:13,519 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 614.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 21.0 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 0.1.24-6692e4f [2019-11-25 17:12:15,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:12:15,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:12:15,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:12:15,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:12:15,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:12:15,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:12:15,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:12:15,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:12:15,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:12:15,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:12:15,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:12:15,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:12:15,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:12:15,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:12:15,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:12:15,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:12:15,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:12:15,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:12:15,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:12:15,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:12:15,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:12:15,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:12:15,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:12:15,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:12:15,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:12:15,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:12:15,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:12:15,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:12:15,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:12:15,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:12:15,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:12:15,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:12:15,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:12:15,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:12:15,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:12:15,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:12:15,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:12:15,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:12:15,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:12:15,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:12:15,300 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-25 17:12:15,322 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:12:15,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:12:15,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:12:15,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:12:15,327 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:12:15,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:12:15,327 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 17:12:15,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:12:15,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:12:15,328 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 17:12:15,329 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 17:12:15,330 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 17:12:15,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:12:15,330 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 17:12:15,331 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 17:12:15,331 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 17:12:15,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:12:15,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:12:15,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:12:15,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:12:15,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:12:15,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:12:15,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:12:15,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:12:15,334 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 17:12:15,334 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 17:12:15,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 17:12:15,334 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 -> 85051d52521692aaf1a0de9e5f8f895724c83314 [2019-11-25 17:12:15,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:12:15,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:12:15,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:12:15,684 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:12:15,685 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:12:15,685 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-25 17:12:15,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d55536703/0584657fc2804c32b4be6155aa9fb42f/FLAGaefed8e9f [2019-11-25 17:12:16,290 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:12:16,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-25 17:12:16,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d55536703/0584657fc2804c32b4be6155aa9fb42f/FLAGaefed8e9f [2019-11-25 17:12:16,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d55536703/0584657fc2804c32b4be6155aa9fb42f [2019-11-25 17:12:16,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:12:16,570 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 17:12:16,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:12:16,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:12:16,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:12:16,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:16" (1/1) ... [2019-11-25 17:12:16,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423e9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:16, skipping insertion in model container [2019-11-25 17:12:16,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:16" (1/1) ... [2019-11-25 17:12:16,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:12:16,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:12:17,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:12:17,288 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 17:12:17,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:12:17,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:12:17,375 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 17:12:17,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:12:17,523 INFO L208 MainTranslator]: Completed translation [2019-11-25 17:12:17,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:17 WrapperNode [2019-11-25 17:12:17,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:12:17,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 17:12:17,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 17:12:17,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 17:12:17,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:17" (1/1) ... [2019-11-25 17:12:17,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:17" (1/1) ... [2019-11-25 17:12:17,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:17" (1/1) ... [2019-11-25 17:12:17,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:17" (1/1) ... [2019-11-25 17:12:17,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:17" (1/1) ... [2019-11-25 17:12:17,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:17" (1/1) ... [2019-11-25 17:12:17,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:17" (1/1) ... [2019-11-25 17:12:17,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 17:12:17,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 17:12:17,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 17:12:17,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 17:12:17,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:12:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 17:12:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 17:12:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 17:12:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 17:12:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 17:12:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 17:12:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 17:12:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 17:12:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 17:12:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 17:12:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 17:12:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 17:12:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 17:12:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 17:12:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 17:12:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 17:12:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 17:12:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 17:12:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 17:12:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 17:12:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 17:12:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 17:12:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 17:12:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 17:12:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 17:12:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 17:12:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 17:12:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 17:12:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 17:12:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 17:12:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 17:12:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 17:12:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 17:12:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 17:12:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 17:12:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 17:12:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 17:12:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 17:12:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 17:12:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 17:12:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 17:12:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 17:12:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-11-25 17:12:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-25 17:12:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 17:12:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 17:12:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 17:12:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 17:12:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 17:12:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 17:12:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 17:12:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 17:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 17:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 17:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 17:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 17:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 17:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 17:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 17:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 17:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 17:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 17:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 17:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 17:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 17:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 17:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 17:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 17:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 17:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 17:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 17:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 17:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 17:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 17:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 17:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 17:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 17:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 17:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 17:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 17:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 17:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 17:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 17:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 17:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 17:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 17:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 17:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 17:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 17:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 17:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 17:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 17:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 17:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 17:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 17:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 17:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 17:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 17:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 17:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 17:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 17:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 17:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 17:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 17:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 17:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 17:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 17:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 17:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 17:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 17:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 17:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 17:12:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 17:12:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 17:12:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 17:12:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 17:12:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 17:12:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 17:12:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 17:12:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 17:12:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 17:12:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 17:12:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 17:12:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 17:12:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 17:12:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 17:12:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 17:12:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 17:12:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 17:12:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 17:12:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 17:12:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 17:12:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 17:12:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 17:12:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 17:12:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 17:12:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 17:12:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 17:12:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 17:12:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 17:12:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 17:12:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 17:12:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 17:12:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 17:12:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 17:12:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 17:12:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 17:12:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 17:12:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 17:12:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 17:12:17,722 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 17:12:17,722 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 17:12:17,722 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 17:12:17,722 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 17:12:17,722 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 17:12:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 17:12:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 17:12:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 17:12:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-25 17:12:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 17:12:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 17:12:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 17:12:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 17:12:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 17:12:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 17:12:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 17:12:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 17:12:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 17:12:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 17:12:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 17:12:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 17:12:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 17:12:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 17:12:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 17:12:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 17:12:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 17:12:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 17:12:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 17:12:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 17:12:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 17:12:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 17:12:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 17:12:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 17:12:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 17:12:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 17:12:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 17:12:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 17:12:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 17:12:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 17:12:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 17:12:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 17:12:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 17:12:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 17:12:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 17:12:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 17:12:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 17:12:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 17:12:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 17:12:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 17:12:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 17:12:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 17:12:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 17:12:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 17:12:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 17:12:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-11-25 17:12:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-25 17:12:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 17:12:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 17:12:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 17:12:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 17:12:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 17:12:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 17:12:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 17:12:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 17:12:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 17:12:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 17:12:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 17:12:18,369 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 17:12:18,733 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 17:12:19,251 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 17:12:19,251 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-25 17:12:19,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:19 BoogieIcfgContainer [2019-11-25 17:12:19,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 17:12:19,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 17:12:19,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 17:12:19,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 17:12:19,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:12:16" (1/3) ... [2019-11-25 17:12:19,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c15c55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:12:19, skipping insertion in model container [2019-11-25 17:12:19,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:17" (2/3) ... [2019-11-25 17:12:19,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c15c55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:12:19, skipping insertion in model container [2019-11-25 17:12:19,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:19" (3/3) ... [2019-11-25 17:12:19,265 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1-1.i [2019-11-25 17:12:19,277 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 17:12:19,286 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 87 error locations. [2019-11-25 17:12:19,303 INFO L249 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2019-11-25 17:12:19,325 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 17:12:19,325 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 17:12:19,325 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 17:12:19,326 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 17:12:19,326 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 17:12:19,326 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 17:12:19,326 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 17:12:19,326 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 17:12:19,347 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-25 17:12:19,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 17:12:19,358 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:12:19,359 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:12:19,360 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:12:19,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:12:19,367 INFO L82 PathProgramCache]: Analyzing trace with hash -200276895, now seen corresponding path program 1 times [2019-11-25 17:12:19,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:12:19,380 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948492222] [2019-11-25 17:12:19,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-25 17:12:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:12:19,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 17:12:19,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:12:19,697 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 17:12:19,698 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:12:19,712 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:12:19,712 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:12:19,713 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 17:12:19,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:19,808 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:12:20,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:20,723 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948492222] [2019-11-25 17:12:20,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:12:20,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-25 17:12:20,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584372511] [2019-11-25 17:12:20,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-25 17:12:20,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:12:20,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-25 17:12:20,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-25 17:12:20,764 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 14 states. [2019-11-25 17:12:22,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:12:22,307 INFO L93 Difference]: Finished difference Result 93 states and 107 transitions. [2019-11-25 17:12:22,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-25 17:12:22,309 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 16 [2019-11-25 17:12:22,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:12:22,338 INFO L225 Difference]: With dead ends: 93 [2019-11-25 17:12:22,340 INFO L226 Difference]: Without dead ends: 90 [2019-11-25 17:12:22,344 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2019-11-25 17:12:22,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-25 17:12:22,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 77. [2019-11-25 17:12:22,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-25 17:12:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 89 transitions. [2019-11-25 17:12:22,391 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 89 transitions. Word has length 16 [2019-11-25 17:12:22,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:12:22,391 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 89 transitions. [2019-11-25 17:12:22,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-25 17:12:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2019-11-25 17:12:22,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 17:12:22,431 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:12:22,432 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:12:22,640 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 17:12:22,641 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:12:22,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:12:22,643 INFO L82 PathProgramCache]: Analyzing trace with hash -200276896, now seen corresponding path program 1 times [2019-11-25 17:12:22,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:12:22,643 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264269587] [2019-11-25 17:12:22,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-25 17:12:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:12:22,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 17:12:22,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:12:22,770 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 17:12:22,770 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:12:22,774 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:12:22,774 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:12:22,775 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 17:12:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:22,795 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:12:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:22,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264269587] [2019-11-25 17:12:22,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:12:22,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 17:12:22,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030452375] [2019-11-25 17:12:22,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 17:12:22,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:12:22,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 17:12:22,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:12:22,837 INFO L87 Difference]: Start difference. First operand 77 states and 89 transitions. Second operand 5 states. [2019-11-25 17:12:23,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:12:23,063 INFO L93 Difference]: Finished difference Result 83 states and 95 transitions. [2019-11-25 17:12:23,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 17:12:23,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-25 17:12:23,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:12:23,066 INFO L225 Difference]: With dead ends: 83 [2019-11-25 17:12:23,066 INFO L226 Difference]: Without dead ends: 83 [2019-11-25 17:12:23,069 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:12:23,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-25 17:12:23,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2019-11-25 17:12:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-25 17:12:23,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 91 transitions. [2019-11-25 17:12:23,101 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 91 transitions. Word has length 16 [2019-11-25 17:12:23,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:12:23,103 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 91 transitions. [2019-11-25 17:12:23,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 17:12:23,103 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2019-11-25 17:12:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 17:12:23,105 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:12:23,105 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:12:23,318 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 17:12:23,319 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:12:23,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:12:23,320 INFO L82 PathProgramCache]: Analyzing trace with hash 687226786, now seen corresponding path program 1 times [2019-11-25 17:12:23,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:12:23,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561963353] [2019-11-25 17:12:23,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-25 17:12:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:12:23,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 17:12:23,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:12:23,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:23,497 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:12:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:23,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561963353] [2019-11-25 17:12:23,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:12:23,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 17:12:23,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760912367] [2019-11-25 17:12:23,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 17:12:23,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:12:23,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 17:12:23,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:12:23,556 INFO L87 Difference]: Start difference. First operand 79 states and 91 transitions. Second operand 5 states. [2019-11-25 17:12:23,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:12:23,608 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2019-11-25 17:12:23,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 17:12:23,610 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-25 17:12:23,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:12:23,612 INFO L225 Difference]: With dead ends: 78 [2019-11-25 17:12:23,614 INFO L226 Difference]: Without dead ends: 78 [2019-11-25 17:12:23,615 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:12:23,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-25 17:12:23,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-25 17:12:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-25 17:12:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2019-11-25 17:12:23,638 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 16 [2019-11-25 17:12:23,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:12:23,638 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2019-11-25 17:12:23,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 17:12:23,639 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2019-11-25 17:12:23,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 17:12:23,641 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:12:23,641 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:12:23,856 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 17:12:23,857 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:12:23,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:12:23,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1913632700, now seen corresponding path program 1 times [2019-11-25 17:12:23,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:12:23,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232614080] [2019-11-25 17:12:23,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-25 17:12:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:12:23,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 17:12:23,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:12:23,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:23,997 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:12:24,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:24,077 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232614080] [2019-11-25 17:12:24,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:12:24,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 17:12:24,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135951008] [2019-11-25 17:12:24,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 17:12:24,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:12:24,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 17:12:24,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:12:24,082 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 5 states. [2019-11-25 17:12:24,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:12:24,123 INFO L93 Difference]: Finished difference Result 78 states and 86 transitions. [2019-11-25 17:12:24,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 17:12:24,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-25 17:12:24,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:12:24,126 INFO L225 Difference]: With dead ends: 78 [2019-11-25 17:12:24,126 INFO L226 Difference]: Without dead ends: 78 [2019-11-25 17:12:24,127 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:12:24,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-25 17:12:24,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-25 17:12:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-25 17:12:24,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2019-11-25 17:12:24,135 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 17 [2019-11-25 17:12:24,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:12:24,135 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2019-11-25 17:12:24,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 17:12:24,135 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2019-11-25 17:12:24,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 17:12:24,136 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:12:24,137 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:12:24,341 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 17:12:24,343 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:12:24,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:12:24,344 INFO L82 PathProgramCache]: Analyzing trace with hash -170822365, now seen corresponding path program 1 times [2019-11-25 17:12:24,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:12:24,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [496171846] [2019-11-25 17:12:24,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-25 17:12:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:12:24,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 17:12:24,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:12:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:24,474 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:12:24,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:24,522 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [496171846] [2019-11-25 17:12:24,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:12:24,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 17:12:24,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898995182] [2019-11-25 17:12:24,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 17:12:24,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:12:24,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 17:12:24,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 17:12:24,524 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand 3 states. [2019-11-25 17:12:24,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:12:24,664 INFO L93 Difference]: Finished difference Result 114 states and 127 transitions. [2019-11-25 17:12:24,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 17:12:24,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-25 17:12:24,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:12:24,665 INFO L225 Difference]: With dead ends: 114 [2019-11-25 17:12:24,665 INFO L226 Difference]: Without dead ends: 109 [2019-11-25 17:12:24,666 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 17:12:24,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-25 17:12:24,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 74. [2019-11-25 17:12:24,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-25 17:12:24,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-11-25 17:12:24,674 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 17 [2019-11-25 17:12:24,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:12:24,674 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2019-11-25 17:12:24,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 17:12:24,674 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2019-11-25 17:12:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-25 17:12:24,675 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:12:24,675 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:12:24,886 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-25 17:12:24,887 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:12:24,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:12:24,888 INFO L82 PathProgramCache]: Analyzing trace with hash -73256383, now seen corresponding path program 1 times [2019-11-25 17:12:24,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:12:24,889 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1915597500] [2019-11-25 17:12:24,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-25 17:12:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:12:25,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-25 17:12:25,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:12:25,044 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 17:12:25,045 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:12:25,052 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:12:25,053 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:12:25,053 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 17:12:25,190 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:25,190 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:12:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:26,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1915597500] [2019-11-25 17:12:26,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 17:12:26,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-25 17:12:26,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646642462] [2019-11-25 17:12:26,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-25 17:12:26,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:12:26,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-25 17:12:26,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-25 17:12:26,361 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand 18 states. [2019-11-25 17:12:27,219 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-11-25 17:12:28,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:12:28,492 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2019-11-25 17:12:28,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-25 17:12:28,494 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2019-11-25 17:12:28,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:12:28,495 INFO L225 Difference]: With dead ends: 91 [2019-11-25 17:12:28,496 INFO L226 Difference]: Without dead ends: 91 [2019-11-25 17:12:28,496 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2019-11-25 17:12:28,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-25 17:12:28,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2019-11-25 17:12:28,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-25 17:12:28,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2019-11-25 17:12:28,503 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 22 [2019-11-25 17:12:28,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:12:28,504 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2019-11-25 17:12:28,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-25 17:12:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2019-11-25 17:12:28,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 17:12:28,505 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:12:28,505 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:12:28,713 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-25 17:12:28,714 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:12:28,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:12:28,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1067902475, now seen corresponding path program 1 times [2019-11-25 17:12:28,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:12:28,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144138597] [2019-11-25 17:12:28,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-25 17:12:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:12:28,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 17:12:28,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:12:28,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:28,901 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:12:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:29,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144138597] [2019-11-25 17:12:29,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 17:12:29,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-25 17:12:29,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368750081] [2019-11-25 17:12:29,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-25 17:12:29,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:12:29,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-25 17:12:29,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-25 17:12:29,039 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand 12 states. [2019-11-25 17:12:29,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:12:29,427 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2019-11-25 17:12:29,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-25 17:12:29,427 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2019-11-25 17:12:29,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:12:29,429 INFO L225 Difference]: With dead ends: 92 [2019-11-25 17:12:29,429 INFO L226 Difference]: Without dead ends: 92 [2019-11-25 17:12:29,430 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2019-11-25 17:12:29,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-25 17:12:29,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2019-11-25 17:12:29,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-25 17:12:29,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2019-11-25 17:12:29,436 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 35 [2019-11-25 17:12:29,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:12:29,436 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2019-11-25 17:12:29,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-25 17:12:29,437 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2019-11-25 17:12:29,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 17:12:29,438 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:12:29,438 INFO L410 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:12:29,641 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-25 17:12:29,642 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:12:29,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:12:29,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1190057473, now seen corresponding path program 2 times [2019-11-25 17:12:29,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:12:29,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798573539] [2019-11-25 17:12:29,645 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-25 17:12:29,792 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-25 17:12:29,792 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 17:12:29,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-25 17:12:29,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:12:29,820 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 17:12:29,821 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:12:29,826 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:12:29,826 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:12:29,826 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 17:12:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:30,168 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:12:31,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:12:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:32,282 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798573539] [2019-11-25 17:12:32,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 17:12:32,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2019-11-25 17:12:32,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538897602] [2019-11-25 17:12:32,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-25 17:12:32,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:12:32,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-25 17:12:32,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2019-11-25 17:12:32,283 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 28 states. [2019-11-25 17:12:33,466 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2019-11-25 17:12:33,986 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2019-11-25 17:12:34,539 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 48 [2019-11-25 17:12:34,871 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-11-25 17:12:35,478 WARN L192 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2019-11-25 17:12:35,849 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2019-11-25 17:12:36,823 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-11-25 17:12:37,291 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2019-11-25 17:12:37,714 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-11-25 17:12:38,439 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-25 17:12:38,865 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-11-25 17:12:39,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:12:39,792 INFO L93 Difference]: Finished difference Result 112 states and 125 transitions. [2019-11-25 17:12:39,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-11-25 17:12:39,794 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 34 [2019-11-25 17:12:39,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:12:39,797 INFO L225 Difference]: With dead ends: 112 [2019-11-25 17:12:39,797 INFO L226 Difference]: Without dead ends: 112 [2019-11-25 17:12:39,798 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=487, Invalid=1493, Unknown=0, NotChecked=0, Total=1980 [2019-11-25 17:12:39,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-25 17:12:39,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2019-11-25 17:12:39,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-25 17:12:39,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2019-11-25 17:12:39,817 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 34 [2019-11-25 17:12:39,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:12:39,818 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2019-11-25 17:12:39,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-25 17:12:39,818 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2019-11-25 17:12:39,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-25 17:12:39,822 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:12:39,822 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:12:40,039 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-25 17:12:40,040 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:12:40,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:12:40,040 INFO L82 PathProgramCache]: Analyzing trace with hash -321692208, now seen corresponding path program 2 times [2019-11-25 17:12:40,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:12:40,042 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177716510] [2019-11-25 17:12:40,042 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-25 17:12:40,178 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-25 17:12:40,178 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 17:12:40,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 17:12:40,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:12:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-25 17:12:40,217 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:12:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-25 17:12:40,331 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177716510] [2019-11-25 17:12:40,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:12:40,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-25 17:12:40,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057354948] [2019-11-25 17:12:40,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 17:12:40,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:12:40,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 17:12:40,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-25 17:12:40,332 INFO L87 Difference]: Start difference. First operand 110 states and 122 transitions. Second operand 7 states. [2019-11-25 17:12:40,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:12:40,454 INFO L93 Difference]: Finished difference Result 141 states and 157 transitions. [2019-11-25 17:12:40,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 17:12:40,455 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-11-25 17:12:40,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:12:40,457 INFO L225 Difference]: With dead ends: 141 [2019-11-25 17:12:40,457 INFO L226 Difference]: Without dead ends: 138 [2019-11-25 17:12:40,457 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-25 17:12:40,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-25 17:12:40,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 111. [2019-11-25 17:12:40,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-25 17:12:40,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions. [2019-11-25 17:12:40,463 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 50 [2019-11-25 17:12:40,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:12:40,463 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions. [2019-11-25 17:12:40,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 17:12:40,463 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2019-11-25 17:12:40,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-25 17:12:40,464 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:12:40,464 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:12:40,671 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-25 17:12:40,673 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:12:40,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:12:40,674 INFO L82 PathProgramCache]: Analyzing trace with hash 115614506, now seen corresponding path program 1 times [2019-11-25 17:12:40,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:12:40,675 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1318103669] [2019-11-25 17:12:40,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-11-25 17:12:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:12:40,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 17:12:40,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:12:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 4 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:12:41,010 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:12:41,389 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-25 17:12:41,389 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1318103669] [2019-11-25 17:12:41,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 17:12:41,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2019-11-25 17:12:41,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123537204] [2019-11-25 17:12:41,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-25 17:12:41,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:12:41,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-25 17:12:41,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2019-11-25 17:12:41,391 INFO L87 Difference]: Start difference. First operand 111 states and 123 transitions. Second operand 22 states. [2019-11-25 17:12:42,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:12:42,029 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2019-11-25 17:12:42,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-25 17:12:42,030 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 50 [2019-11-25 17:12:42,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:12:42,031 INFO L225 Difference]: With dead ends: 111 [2019-11-25 17:12:42,031 INFO L226 Difference]: Without dead ends: 111 [2019-11-25 17:12:42,032 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2019-11-25 17:12:42,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-25 17:12:42,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-25 17:12:42,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-25 17:12:42,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2019-11-25 17:12:42,039 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 50 [2019-11-25 17:12:42,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:12:42,040 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2019-11-25 17:12:42,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-25 17:12:42,040 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2019-11-25 17:12:42,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-25 17:12:42,046 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:12:42,046 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:12:42,259 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-25 17:12:42,260 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:12:42,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:12:42,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1051535094, now seen corresponding path program 2 times [2019-11-25 17:12:42,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:12:42,261 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529561884] [2019-11-25 17:12:42,261 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-11-25 17:12:42,448 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-25 17:12:42,448 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 17:12:42,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 17:12:42,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:12:42,467 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 17:12:42,467 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:12:42,469 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:12:42,470 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:12:42,470 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 17:12:42,577 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:12:42,578 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 17 treesize of output 39 [2019-11-25 17:12:42,579 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:12:42,609 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-25 17:12:42,610 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 17:12:42,610 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-25 17:12:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-25 17:12:42,642 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:12:45,057 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-25 17:12:45,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529561884] [2019-11-25 17:12:45,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 17:12:45,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-25 17:12:45,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280865886] [2019-11-25 17:12:45,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-25 17:12:45,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:12:45,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-25 17:12:45,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=229, Unknown=1, NotChecked=0, Total=272 [2019-11-25 17:12:45,060 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand 17 states. [2019-11-25 17:13:05,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:13:05,280 INFO L93 Difference]: Finished difference Result 242 states and 279 transitions. [2019-11-25 17:13:05,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-25 17:13:05,281 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 56 [2019-11-25 17:13:05,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:13:05,283 INFO L225 Difference]: With dead ends: 242 [2019-11-25 17:13:05,284 INFO L226 Difference]: Without dead ends: 242 [2019-11-25 17:13:05,284 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=133, Invalid=622, Unknown=1, NotChecked=0, Total=756 [2019-11-25 17:13:05,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-11-25 17:13:05,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 124. [2019-11-25 17:13:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-25 17:13:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 146 transitions. [2019-11-25 17:13:05,297 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 146 transitions. Word has length 56 [2019-11-25 17:13:05,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:13:05,298 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 146 transitions. [2019-11-25 17:13:05,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-25 17:13:05,298 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 146 transitions. [2019-11-25 17:13:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-25 17:13:05,307 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:13:05,307 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:13:05,507 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-11-25 17:13:05,508 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:13:05,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:13:05,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1051535093, now seen corresponding path program 1 times [2019-11-25 17:13:05,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:13:05,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115365558] [2019-11-25 17:13:05,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-11-25 17:13:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:13:05,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-25 17:13:05,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:13:05,732 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 17:13:05,732 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:13:05,740 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:13:05,743 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 17:13:05,744 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 17:13:05,752 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:13:05,753 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:13:05,753 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-25 17:13:08,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 17:13:08,004 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 12 treesize of output 14 [2019-11-25 17:13:08,005 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:13:08,028 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:13:08,042 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:13:08,043 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 [2019-11-25 17:13:08,043 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 17:13:08,060 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:13:08,061 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:13:08,061 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2019-11-25 17:13:08,105 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-25 17:13:08,105 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:13:08,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:13:08,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:13:08,553 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:13:08,554 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:13:13,313 WARN L192 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-11-25 17:13:13,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:13:16,957 INFO L404 ElimStorePlain]: Different costs {1=[|v_#valid_259|], 2=[|v_#length_220|]} [2019-11-25 17:13:16,967 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 [2019-11-25 17:13:16,967 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:13:16,978 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:13:16,981 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-25 17:13:16,981 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 17:13:16,990 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:13:16,991 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:13:16,991 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:23, output treesize:5 [2019-11-25 17:13:17,564 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-25 17:13:17,577 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 [2019-11-25 17:13:17,578 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:13:17,599 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:13:17,601 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-25 17:13:17,602 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 17:13:17,620 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:13:17,621 INFO L508 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. [2019-11-25 17:13:17,622 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:33, output treesize:16 [2019-11-25 17:13:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-25 17:13:17,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115365558] [2019-11-25 17:13:17,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 17:13:17,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2019-11-25 17:13:17,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655368611] [2019-11-25 17:13:17,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-25 17:13:17,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:13:17,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-25 17:13:17,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=408, Unknown=1, NotChecked=0, Total=462 [2019-11-25 17:13:17,773 INFO L87 Difference]: Start difference. First operand 124 states and 146 transitions. Second operand 22 states. [2019-11-25 17:13:24,776 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-11-25 17:13:26,253 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-11-25 17:13:35,855 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-11-25 17:13:45,314 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-25 17:13:53,229 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-25 17:13:59,921 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-11-25 17:14:04,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:14:04,912 INFO L93 Difference]: Finished difference Result 240 states and 286 transitions. [2019-11-25 17:14:04,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-25 17:14:04,912 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 56 [2019-11-25 17:14:04,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:14:04,914 INFO L225 Difference]: With dead ends: 240 [2019-11-25 17:14:04,914 INFO L226 Difference]: Without dead ends: 240 [2019-11-25 17:14:04,920 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 23.8s TimeCoverageRelationStatistics Valid=152, Invalid=1037, Unknown=1, NotChecked=0, Total=1190 [2019-11-25 17:14:04,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-11-25 17:14:04,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 142. [2019-11-25 17:14:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-25 17:14:04,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 174 transitions. [2019-11-25 17:14:04,932 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 174 transitions. Word has length 56 [2019-11-25 17:14:04,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:14:04,933 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 174 transitions. [2019-11-25 17:14:04,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-25 17:14:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 174 transitions. [2019-11-25 17:14:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 17:14:04,934 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:14:04,934 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2019-11-25 17:14:05,135 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-11-25 17:14:05,135 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:14:05,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:14:05,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1207954601, now seen corresponding path program 1 times [2019-11-25 17:14:05,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:14:05,137 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2019673142] [2019-11-25 17:14:05,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-11-25 17:14:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:14:05,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 17:14:05,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:14:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-11-25 17:14:05,346 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:14:05,386 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-11-25 17:14:05,387 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2019673142] [2019-11-25 17:14:05,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:14:05,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 17:14:05,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329556792] [2019-11-25 17:14:05,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 17:14:05,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:14:05,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 17:14:05,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:14:05,389 INFO L87 Difference]: Start difference. First operand 142 states and 174 transitions. Second operand 5 states. [2019-11-25 17:14:05,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:14:05,488 INFO L93 Difference]: Finished difference Result 159 states and 191 transitions. [2019-11-25 17:14:05,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 17:14:05,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-25 17:14:05,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:14:05,491 INFO L225 Difference]: With dead ends: 159 [2019-11-25 17:14:05,491 INFO L226 Difference]: Without dead ends: 159 [2019-11-25 17:14:05,492 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 17:14:05,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-11-25 17:14:05,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 146. [2019-11-25 17:14:05,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-25 17:14:05,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 176 transitions. [2019-11-25 17:14:05,498 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 176 transitions. Word has length 58 [2019-11-25 17:14:05,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:14:05,499 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 176 transitions. [2019-11-25 17:14:05,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 17:14:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 176 transitions. [2019-11-25 17:14:05,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 17:14:05,500 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:14:05,500 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2019-11-25 17:14:05,704 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-11-25 17:14:05,708 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:14:05,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:14:05,708 INFO L82 PathProgramCache]: Analyzing trace with hash 534855734, now seen corresponding path program 1 times [2019-11-25 17:14:05,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:14:05,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629161916] [2019-11-25 17:14:05,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-11-25 17:14:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:14:05,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 17:14:05,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:14:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-25 17:14:05,900 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:14:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-25 17:14:05,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629161916] [2019-11-25 17:14:05,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:14:05,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-25 17:14:05,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185128890] [2019-11-25 17:14:05,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 17:14:05,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:14:05,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 17:14:05,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 17:14:05,937 INFO L87 Difference]: Start difference. First operand 146 states and 176 transitions. Second operand 6 states. [2019-11-25 17:14:06,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:14:06,045 INFO L93 Difference]: Finished difference Result 153 states and 183 transitions. [2019-11-25 17:14:06,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 17:14:06,047 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-25 17:14:06,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:14:06,048 INFO L225 Difference]: With dead ends: 153 [2019-11-25 17:14:06,048 INFO L226 Difference]: Without dead ends: 153 [2019-11-25 17:14:06,049 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 17:14:06,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-25 17:14:06,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 148. [2019-11-25 17:14:06,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-25 17:14:06,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 178 transitions. [2019-11-25 17:14:06,060 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 178 transitions. Word has length 58 [2019-11-25 17:14:06,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:14:06,061 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 178 transitions. [2019-11-25 17:14:06,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 17:14:06,061 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 178 transitions. [2019-11-25 17:14:06,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 17:14:06,062 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:14:06,062 INFO L410 BasicCegarLoop]: trace histogram [15, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:14:06,262 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-11-25 17:14:06,263 INFO L410 AbstractCegarLoop]: === Iteration 15 === [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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:14:06,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:14:06,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1546730881, now seen corresponding path program 3 times [2019-11-25 17:14:06,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:14:06,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941007143] [2019-11-25 17:14:06,265 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-11-25 17:14:06,690 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2019-11-25 17:14:06,690 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 17:14:06,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-25 17:14:06,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:14:06,724 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 17:14:06,724 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:14:06,733 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:14:06,733 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:14:06,733 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 17:14:07,190 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 41 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:14:07,191 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:14:13,271 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:14:14,038 WARN L192 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-11-25 17:14:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:14:14,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1941007143] [2019-11-25 17:14:14,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 17:14:14,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22] total 42 [2019-11-25 17:14:14,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886912492] [2019-11-25 17:14:14,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-11-25 17:14:14,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:14:14,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-11-25 17:14:14,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2019-11-25 17:14:14,870 INFO L87 Difference]: Start difference. First operand 148 states and 178 transitions. Second operand 42 states. [2019-11-25 17:14:18,490 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-25 17:14:19,293 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-11-25 17:14:21,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:14:21,601 INFO L93 Difference]: Finished difference Result 136 states and 162 transitions. [2019-11-25 17:14:21,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-25 17:14:21,603 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 58 [2019-11-25 17:14:21,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:14:21,605 INFO L225 Difference]: With dead ends: 136 [2019-11-25 17:14:21,605 INFO L226 Difference]: Without dead ends: 136 [2019-11-25 17:14:21,606 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=601, Invalid=2705, Unknown=0, NotChecked=0, Total=3306 [2019-11-25 17:14:21,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-25 17:14:21,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2019-11-25 17:14:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-25 17:14:21,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2019-11-25 17:14:21,612 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 58 [2019-11-25 17:14:21,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:14:21,612 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2019-11-25 17:14:21,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-11-25 17:14:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2019-11-25 17:14:21,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-25 17:14:21,613 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:14:21,614 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2019-11-25 17:14:21,824 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-11-25 17:14:21,825 INFO L410 AbstractCegarLoop]: === Iteration 16 === [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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:14:21,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:14:21,825 INFO L82 PathProgramCache]: Analyzing trace with hash 926469409, now seen corresponding path program 1 times [2019-11-25 17:14:21,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:14:21,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383260517] [2019-11-25 17:14:21,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2019-11-25 17:14:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:14:22,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 17:14:22,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:14:22,020 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 17:14:22,021 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:14:22,022 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:14:22,023 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:14:22,023 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 17:14:22,067 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-25 17:14:22,067 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:14:22,363 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-11-25 17:14:22,364 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:351) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 17:14:22,373 INFO L168 Benchmark]: Toolchain (without parser) took 125801.96 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 323.0 MB). Free memory was 955.0 MB in the beginning and 1.2 GB in the end (delta: -231.8 MB). Peak memory consumption was 91.1 MB. Max. memory is 11.5 GB. [2019-11-25 17:14:22,373 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:14:22,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 953.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-25 17:14:22,378 INFO L168 Benchmark]: Boogie Preprocessor took 109.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-25 17:14:22,378 INFO L168 Benchmark]: RCFGBuilder took 1619.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.2 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2019-11-25 17:14:22,379 INFO L168 Benchmark]: TraceAbstraction took 123113.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 974.2 MB in the beginning and 1.2 GB in the end (delta: -212.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:14:22,386 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 953.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.00 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 1619.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.2 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 123113.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 974.2 MB in the beginning and 1.2 GB in the end (delta: -212.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...