./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6943849e6f46346ed71c5d8e09de50318fefe6a ............................................................................................................................ 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_test20-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6943849e6f46346ed71c5d8e09de50318fefe6a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:39:11,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:39:11,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:39:11,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:39:11,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:39:11,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:39:11,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:39:11,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:39:11,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:39:11,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:39:11,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:39:11,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:39:11,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:39:11,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:39:11,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:39:11,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:39:11,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:39:11,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:39:11,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:39:11,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:39:11,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:39:11,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:39:11,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:39:11,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:39:11,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:39:11,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:39:11,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:39:11,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:39:11,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:39:11,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:39:11,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:39:11,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:39:11,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:39:11,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:39:11,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:39:11,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:39:11,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:39:11,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:39:11,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:39:11,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:39:11,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:39:11,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:39:11,787 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:39:11,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:39:11,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:39:11,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:39:11,792 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:39:11,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:39:11,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:39:11,793 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:39:11,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:39:11,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:39:11,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:39:11,794 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:39:11,795 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:39:11,795 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:39:11,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:39:11,796 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:39:11,796 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:39:11,796 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:39:11,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:39:11,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:39:11,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:39:11,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:39:11,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:39:11,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:39:11,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:39:11,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:39:11,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:39:11,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6943849e6f46346ed71c5d8e09de50318fefe6a [2019-11-28 02:39:12,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:39:12,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:39:12,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:39:12,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:39:12,131 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:39:12,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2019-11-28 02:39:12,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54d2aaa7f/6dc1c7548d874e45a086cc202dd4d26f/FLAGc847ce38a [2019-11-28 02:39:12,739 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:39:12,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2019-11-28 02:39:12,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54d2aaa7f/6dc1c7548d874e45a086cc202dd4d26f/FLAGc847ce38a [2019-11-28 02:39:13,024 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54d2aaa7f/6dc1c7548d874e45a086cc202dd4d26f [2019-11-28 02:39:13,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:39:13,028 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:39:13,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:39:13,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:39:13,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:39:13,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:13" (1/1) ... [2019-11-28 02:39:13,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502e7484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:13, skipping insertion in model container [2019-11-28 02:39:13,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:13" (1/1) ... [2019-11-28 02:39:13,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:39:13,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:39:13,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:39:13,682 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 02:39:13,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30e1a9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:13, skipping insertion in model container [2019-11-28 02:39:13,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:39:13,683 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 02:39:13,687 INFO L168 Benchmark]: Toolchain (without parser) took 657.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:13,688 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:39:13,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:13,694 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 654.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:39:15,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:39:15,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:39:15,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:39:15,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:39:15,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:39:15,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:39:15,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:39:15,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:39:15,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:39:15,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:39:15,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:39:15,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:39:15,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:39:15,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:39:15,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:39:15,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:39:15,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:39:15,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:39:15,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:39:15,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:39:15,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:39:15,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:39:15,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:39:15,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:39:15,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:39:15,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:39:15,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:39:15,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:39:15,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:39:15,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:39:15,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:39:15,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:39:15,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:39:15,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:39:15,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:39:15,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:39:15,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:39:15,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:39:15,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:39:15,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:39:15,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 02:39:15,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:39:15,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:39:15,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:39:15,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:39:15,477 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:39:15,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:39:15,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:39:15,478 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:39:15,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:39:15,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:39:15,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:39:15,479 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:39:15,479 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:39:15,479 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:39:15,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:39:15,480 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:39:15,480 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 02:39:15,480 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 02:39:15,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:39:15,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:39:15,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:39:15,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:39:15,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:39:15,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:39:15,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:39:15,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:39:15,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:39:15,483 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 02:39:15,484 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 02:39:15,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 02:39:15,484 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6943849e6f46346ed71c5d8e09de50318fefe6a [2019-11-28 02:39:15,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:39:15,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:39:15,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:39:15,820 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:39:15,820 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:39:15,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2019-11-28 02:39:15,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7019d04/331352f6288c4f9e9b5c3c667e597af2/FLAGfafef506e [2019-11-28 02:39:16,397 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:39:16,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2019-11-28 02:39:16,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7019d04/331352f6288c4f9e9b5c3c667e597af2/FLAGfafef506e [2019-11-28 02:39:16,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7019d04/331352f6288c4f9e9b5c3c667e597af2 [2019-11-28 02:39:16,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:39:16,713 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:39:16,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:39:16,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:39:16,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:39:16,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:16" (1/1) ... [2019-11-28 02:39:16,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28cfa060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:16, skipping insertion in model container [2019-11-28 02:39:16,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:16" (1/1) ... [2019-11-28 02:39:16,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:39:16,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:39:17,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:39:17,360 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 02:39:17,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:39:17,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:39:17,454 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:39:17,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:39:17,615 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:39:17,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:17 WrapperNode [2019-11-28 02:39:17,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:39:17,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:39:17,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:39:17,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:39:17,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:17" (1/1) ... [2019-11-28 02:39:17,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:17" (1/1) ... [2019-11-28 02:39:17,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:17" (1/1) ... [2019-11-28 02:39:17,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:17" (1/1) ... [2019-11-28 02:39:17,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:17" (1/1) ... [2019-11-28 02:39:17,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:17" (1/1) ... [2019-11-28 02:39:17,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:17" (1/1) ... [2019-11-28 02:39:17,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:39:17,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:39:17,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:39:17,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:39:17,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:17" (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 [2019-11-28 02:39:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:39:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:39:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:39:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:39:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:39:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:39:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:39:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:39:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:39:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 02:39:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 02:39:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 02:39:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 02:39:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:39:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 02:39:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 02:39:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 02:39:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 02:39:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 02:39:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 02:39:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 02:39:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 02:39:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 02:39:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 02:39:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 02:39:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 02:39:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 02:39:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 02:39:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 02:39:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 02:39:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 02:39:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 02:39:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 02:39:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 02:39:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 02:39:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 02:39:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 02:39:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 02:39:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 02:39:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 02:39:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 02:39:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 02:39:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2019-11-28 02:39:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_device [2019-11-28 02:39:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_deregister_device [2019-11-28 02:39:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2019-11-28 02:39:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure free_20 [2019-11-28 02:39:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 02:39:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:39:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 02:39:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 02:39:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 02:39:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:39:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:39:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:39:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:39:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:39:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:39:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:39:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:39:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:39:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:39:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:39:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:39:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:39:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:39:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:39:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:39:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:39:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:39:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:39:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:39:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:39:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:39:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:39:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:39:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:39:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:39:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:39:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:39:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:39:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:39:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:39:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:39:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:39:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:39:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:39:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:39:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:39:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:39:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:39:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:39:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:39:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:39:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:39:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:39:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:39:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:39:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:39:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:39:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:39:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:39:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:39:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:39:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:39:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:39:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:39:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:39:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:39:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:39:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:39:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:39:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:39:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:39:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:39:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:39:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:39:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:39:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:39:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:39:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:39:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:39:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:39:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:39:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:39:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:39:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:39:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:39:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:39:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:39:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:39:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:39:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:39:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:39:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:39:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:39:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:39:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:39:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:39:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:39:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:39:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:39:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:39:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:39:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:39:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:39:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:39:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:39:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:39:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:39:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:39:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:39:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:39:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:39:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:39:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:39:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:39:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:39:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:39:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 02:39:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:39:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 02:39:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 02:39:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 02:39:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 02:39:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 02:39:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:39:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 02:39:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 02:39:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:39:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:39:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 02:39:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 02:39:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 02:39:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:39:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 02:39:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 02:39:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 02:39:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 02:39:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 02:39:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 02:39:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:39:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 02:39:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 02:39:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 02:39:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 02:39:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 02:39:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 02:39:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 02:39:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 02:39:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 02:39:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:39:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 02:39:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 02:39:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 02:39:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 02:39:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 02:39:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 02:39:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 02:39:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 02:39:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 02:39:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 02:39:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 02:39:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 02:39:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 02:39:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 02:39:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2019-11-28 02:39:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_device [2019-11-28 02:39:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_deregister_device [2019-11-28 02:39:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2019-11-28 02:39:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure free_20 [2019-11-28 02:39:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 02:39:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:39:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:39:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:39:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 02:39:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:39:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:39:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 02:39:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 02:39:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 02:39:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 02:39:18,499 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:39:18,861 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:39:19,207 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:39:19,210 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:39:19,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:19 BoogieIcfgContainer [2019-11-28 02:39:19,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:39:19,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:39:19,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:39:19,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:39:19,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:39:16" (1/3) ... [2019-11-28 02:39:19,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb47b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:19, skipping insertion in model container [2019-11-28 02:39:19,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:17" (2/3) ... [2019-11-28 02:39:19,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb47b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:19, skipping insertion in model container [2019-11-28 02:39:19,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:19" (3/3) ... [2019-11-28 02:39:19,221 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test20-2.i [2019-11-28 02:39:19,231 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:39:19,241 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-28 02:39:19,257 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-28 02:39:19,282 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:39:19,283 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:39:19,283 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:39:19,283 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:39:19,283 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:39:19,284 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:39:19,284 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:39:19,284 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:39:19,309 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-11-28 02:39:19,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:39:19,323 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:19,324 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:39:19,325 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:19,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:19,333 INFO L82 PathProgramCache]: Analyzing trace with hash -2108151956, now seen corresponding path program 1 times [2019-11-28 02:39:19,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:19,353 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374210494] [2019-11-28 02:39:19,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:19,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:39:19,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:19,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:19,663 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:19,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374210494] [2019-11-28 02:39:19,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:19,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 02:39:19,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578251607] [2019-11-28 02:39:19,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:39:19,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:19,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:39:19,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:39:19,805 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 5 states. [2019-11-28 02:39:19,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:19,848 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2019-11-28 02:39:19,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:39:19,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 02:39:19,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:19,861 INFO L225 Difference]: With dead ends: 50 [2019-11-28 02:39:19,862 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 02:39:19,864 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:39:19,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 02:39:19,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2019-11-28 02:39:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-28 02:39:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2019-11-28 02:39:19,909 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 24 [2019-11-28 02:39:19,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:19,910 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2019-11-28 02:39:19,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:39:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2019-11-28 02:39:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:39:19,912 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:19,912 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:39:20,124 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 02:39:20,125 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:20,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:20,126 INFO L82 PathProgramCache]: Analyzing trace with hash -600600147, now seen corresponding path program 1 times [2019-11-28 02:39:20,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:20,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139665059] [2019-11-28 02:39:20,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:20,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-28 02:39:20,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:20,380 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:20,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:20,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139665059] [2019-11-28 02:39:20,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:20,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-11-28 02:39:20,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668553779] [2019-11-28 02:39:20,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:39:20,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:20,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:39:20,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:39:20,588 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 9 states. [2019-11-28 02:39:21,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:21,081 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-11-28 02:39:21,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 02:39:21,081 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-28 02:39:21,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:21,084 INFO L225 Difference]: With dead ends: 60 [2019-11-28 02:39:21,084 INFO L226 Difference]: Without dead ends: 60 [2019-11-28 02:39:21,086 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:39:21,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-28 02:39:21,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 55. [2019-11-28 02:39:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 02:39:21,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2019-11-28 02:39:21,102 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 24 [2019-11-28 02:39:21,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:21,103 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2019-11-28 02:39:21,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:39:21,103 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2019-11-28 02:39:21,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 02:39:21,106 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:21,106 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:39:21,326 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 02:39:21,327 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:21,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:21,328 INFO L82 PathProgramCache]: Analyzing trace with hash 976042921, now seen corresponding path program 1 times [2019-11-28 02:39:21,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:21,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641887906] [2019-11-28 02:39:21,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:21,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-28 02:39:21,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:21,606 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:21,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641887906] [2019-11-28 02:39:21,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:21,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 12 [2019-11-28 02:39:21,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962842898] [2019-11-28 02:39:21,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 02:39:21,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:21,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 02:39:21,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-11-28 02:39:21,829 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 13 states. [2019-11-28 02:39:22,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:22,008 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-11-28 02:39:22,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 02:39:22,009 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2019-11-28 02:39:22,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:22,010 INFO L225 Difference]: With dead ends: 55 [2019-11-28 02:39:22,010 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 02:39:22,011 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2019-11-28 02:39:22,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 02:39:22,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2019-11-28 02:39:22,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-28 02:39:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2019-11-28 02:39:22,018 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 28 [2019-11-28 02:39:22,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:22,019 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2019-11-28 02:39:22,019 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 02:39:22,019 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2019-11-28 02:39:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 02:39:22,020 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:22,020 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:39:22,239 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 02:39:22,240 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:22,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:22,241 INFO L82 PathProgramCache]: Analyzing trace with hash 192559894, now seen corresponding path program 1 times [2019-11-28 02:39:22,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:22,242 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810981669] [2019-11-28 02:39:22,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:22,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-28 02:39:22,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:22,748 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:23,229 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810981669] [2019-11-28 02:39:23,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:23,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 10] imperfect sequences [] total 21 [2019-11-28 02:39:23,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468728872] [2019-11-28 02:39:23,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-28 02:39:23,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:23,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-28 02:39:23,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2019-11-28 02:39:23,231 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 22 states. [2019-11-28 02:39:24,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:24,640 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2019-11-28 02:39:24,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-28 02:39:24,641 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 29 [2019-11-28 02:39:24,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:24,643 INFO L225 Difference]: With dead ends: 77 [2019-11-28 02:39:24,643 INFO L226 Difference]: Without dead ends: 77 [2019-11-28 02:39:24,644 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=250, Invalid=1232, Unknown=0, NotChecked=0, Total=1482 [2019-11-28 02:39:24,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-28 02:39:24,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 53. [2019-11-28 02:39:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-28 02:39:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2019-11-28 02:39:24,651 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 29 [2019-11-28 02:39:24,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:24,651 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2019-11-28 02:39:24,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-28 02:39:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2019-11-28 02:39:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-28 02:39:24,653 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:24,653 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:39:24,855 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 02:39:24,857 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:24,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:24,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1674389835, now seen corresponding path program 1 times [2019-11-28 02:39:24,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:24,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455888597] [2019-11-28 02:39:24,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:25,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-28 02:39:25,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:25,047 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:39:25,047 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:39:25,051 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:39:25,052 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:39:25,052 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 02:39:25,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:25,192 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:25,445 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455888597] [2019-11-28 02:39:25,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:25,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 13 [2019-11-28 02:39:25,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797342051] [2019-11-28 02:39:25,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-28 02:39:25,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:25,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-28 02:39:25,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:39:25,448 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 14 states. [2019-11-28 02:39:25,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:25,934 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2019-11-28 02:39:25,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-28 02:39:25,935 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 30 [2019-11-28 02:39:25,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:25,937 INFO L225 Difference]: With dead ends: 71 [2019-11-28 02:39:25,937 INFO L226 Difference]: Without dead ends: 71 [2019-11-28 02:39:25,937 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2019-11-28 02:39:25,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-28 02:39:25,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 66. [2019-11-28 02:39:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-28 02:39:25,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2019-11-28 02:39:25,945 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 30 [2019-11-28 02:39:25,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:25,945 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2019-11-28 02:39:25,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-28 02:39:25,946 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2019-11-28 02:39:25,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-28 02:39:25,948 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:25,948 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:39:26,158 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 02:39:26,160 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:26,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:26,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1885740748, now seen corresponding path program 1 times [2019-11-28 02:39:26,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:26,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105690393] [2019-11-28 02:39:26,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:26,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:39:26,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:26,324 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:26,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105690393] [2019-11-28 02:39:26,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:26,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 02:39:26,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360023581] [2019-11-28 02:39:26,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:39:26,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:26,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:39:26,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:39:26,401 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand 5 states. [2019-11-28 02:39:26,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:26,419 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2019-11-28 02:39:26,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:39:26,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-28 02:39:26,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:26,420 INFO L225 Difference]: With dead ends: 52 [2019-11-28 02:39:26,420 INFO L226 Difference]: Without dead ends: 52 [2019-11-28 02:39:26,421 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:39:26,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-28 02:39:26,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-11-28 02:39:26,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-28 02:39:26,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2019-11-28 02:39:26,425 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 30 [2019-11-28 02:39:26,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:26,426 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2019-11-28 02:39:26,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:39:26,426 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2019-11-28 02:39:26,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 02:39:26,427 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:26,427 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:39:26,635 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 02:39:26,636 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:26,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:26,637 INFO L82 PathProgramCache]: Analyzing trace with hash 844909557, now seen corresponding path program 1 times [2019-11-28 02:39:26,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:26,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102748753] [2019-11-28 02:39:26,638 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 [2019-11-28 02:39:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:26,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 02:39:26,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:26,787 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:26,922 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102748753] [2019-11-28 02:39:26,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:26,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 02:39:26,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793503616] [2019-11-28 02:39:26,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:39:26,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:26,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:39:26,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:39:26,924 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 3 states. [2019-11-28 02:39:26,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:26,959 INFO L93 Difference]: Finished difference Result 56 states and 55 transitions. [2019-11-28 02:39:26,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:39:26,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-11-28 02:39:26,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:26,961 INFO L225 Difference]: With dead ends: 56 [2019-11-28 02:39:26,961 INFO L226 Difference]: Without dead ends: 37 [2019-11-28 02:39:26,961 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:39:26,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-28 02:39:26,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-28 02:39:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-28 02:39:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2019-11-28 02:39:26,965 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 29 [2019-11-28 02:39:26,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:26,965 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2019-11-28 02:39:26,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:39:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2019-11-28 02:39:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 02:39:26,966 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:26,966 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:39:27,173 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-28 02:39:27,179 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:27,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:27,179 INFO L82 PathProgramCache]: Analyzing trace with hash -548127480, now seen corresponding path program 1 times [2019-11-28 02:39:27,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:27,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18296560] [2019-11-28 02:39:27,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:27,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-28 02:39:27,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:27,371 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 12 treesize of output 9 [2019-11-28 02:39:27,371 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:39:27,374 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:39:27,375 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:39:27,375 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2019-11-28 02:39:27,440 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-28 02:39:27,441 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:39:27,442 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:39:27,443 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:39:27,443 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-11-28 02:39:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:35,587 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:40,206 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-28 02:39:40,207 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 02:39:40,212 INFO L168 Benchmark]: Toolchain (without parser) took 23500.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 265.3 MB). Free memory was 949.6 MB in the beginning and 985.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 229.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:40,213 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:39:40,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 902.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 949.6 MB in the beginning and 1.0 GB in the end (delta: -89.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:40,214 INFO L168 Benchmark]: Boogie Preprocessor took 139.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:39:40,215 INFO L168 Benchmark]: RCFGBuilder took 1453.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 922.4 MB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:40,218 INFO L168 Benchmark]: TraceAbstraction took 20997.81 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 922.4 MB in the beginning and 985.1 MB in the end (delta: -62.7 MB). Peak memory consumption was 116.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:40,226 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 902.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 949.6 MB in the beginning and 1.0 GB in the end (delta: -89.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 139.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1453.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 922.4 MB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20997.81 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 922.4 MB in the beginning and 985.1 MB in the end (delta: -62.7 MB). Peak memory consumption was 116.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...