./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f4d5612c 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_test10-2.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 43035c6e49855e15ec870efd7c9282b8311d43cd ............................................................................................................................ 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_test10-2.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 43035c6e49855e15ec870efd7c9282b8311d43cd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-f4d5612 [2019-11-28 12:40:28,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 12:40:28,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 12:40:28,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 12:40:28,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 12:40:28,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 12:40:28,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 12:40:28,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 12:40:28,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 12:40:28,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 12:40:28,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 12:40:28,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 12:40:28,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 12:40:28,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 12:40:28,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 12:40:28,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 12:40:28,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 12:40:28,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 12:40:28,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 12:40:28,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 12:40:28,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 12:40:28,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 12:40:28,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 12:40:28,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 12:40:28,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 12:40:28,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 12:40:28,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 12:40:28,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 12:40:28,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 12:40:28,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 12:40:28,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 12:40:28,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 12:40:28,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 12:40:28,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 12:40:28,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 12:40:28,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 12:40:28,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 12:40:28,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 12:40:28,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 12:40:28,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 12:40:28,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 12:40:28,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 12:40:28,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 12:40:28,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 12:40:28,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 12:40:28,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 12:40:28,877 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 12:40:28,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 12:40:28,877 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 12:40:28,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 12:40:28,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 12:40:28,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 12:40:28,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 12:40:28,879 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 12:40:28,880 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 12:40:28,880 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 12:40:28,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 12:40:28,880 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 12:40:28,881 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 12:40:28,881 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 12:40:28,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 12:40:28,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 12:40:28,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 12:40:28,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 12:40:28,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 12:40:28,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 12:40:28,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 12:40:28,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 12:40:28,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 12:40:28,883 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 -> 43035c6e49855e15ec870efd7c9282b8311d43cd [2019-11-28 12:40:29,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 12:40:29,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 12:40:29,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 12:40:29,255 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 12:40:29,256 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 12:40:29,256 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-28 12:40:29,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d633c428/37c1e591a2d74488a7cacc5dde372701/FLAGc904e1e9c [2019-11-28 12:40:29,873 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 12:40:29,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-28 12:40:29,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d633c428/37c1e591a2d74488a7cacc5dde372701/FLAGc904e1e9c [2019-11-28 12:40:30,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d633c428/37c1e591a2d74488a7cacc5dde372701 [2019-11-28 12:40:30,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 12:40:30,234 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 12:40:30,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 12:40:30,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 12:40:30,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 12:40:30,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:40:30" (1/1) ... [2019-11-28 12:40:30,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2e6590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:30, skipping insertion in model container [2019-11-28 12:40:30,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:40:30" (1/1) ... [2019-11-28 12:40:30,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 12:40:30,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 12:40:30,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 12:40:30,863 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 12:40:30,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d6aeb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:30, skipping insertion in model container [2019-11-28 12:40:30,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 12:40:30,865 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 12:40:30,869 INFO L168 Benchmark]: Toolchain (without parser) took 633.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 12:40:30,871 INFO L168 Benchmark]: CDTParser took 0.18 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 12:40:30,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 12:40:30,877 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 630.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-f4d5612 [2019-11-28 12:40:32,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 12:40:32,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 12:40:32,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 12:40:32,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 12:40:32,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 12:40:32,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 12:40:32,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 12:40:32,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 12:40:32,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 12:40:32,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 12:40:32,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 12:40:32,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 12:40:32,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 12:40:32,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 12:40:32,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 12:40:32,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 12:40:32,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 12:40:32,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 12:40:32,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 12:40:32,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 12:40:32,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 12:40:32,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 12:40:32,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 12:40:32,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 12:40:32,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 12:40:32,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 12:40:32,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 12:40:32,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 12:40:32,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 12:40:32,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 12:40:32,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 12:40:32,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 12:40:32,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 12:40:32,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 12:40:32,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 12:40:32,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 12:40:32,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 12:40:32,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 12:40:32,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 12:40:32,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 12:40:32,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 12:40:32,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 12:40:32,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 12:40:32,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 12:40:32,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 12:40:32,875 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 12:40:32,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 12:40:32,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 12:40:32,876 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 12:40:32,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 12:40:32,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 12:40:32,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 12:40:32,877 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 12:40:32,879 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 12:40:32,879 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 12:40:32,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 12:40:32,880 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 12:40:32,880 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 12:40:32,880 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 12:40:32,880 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 12:40:32,880 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 12:40:32,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 12:40:32,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 12:40:32,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 12:40:32,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 12:40:32,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 12:40:32,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 12:40:32,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 12:40:32,883 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 12:40:32,883 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 12:40:32,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 12:40:32,883 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 -> 43035c6e49855e15ec870efd7c9282b8311d43cd [2019-11-28 12:40:33,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 12:40:33,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 12:40:33,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 12:40:33,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 12:40:33,213 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 12:40:33,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-28 12:40:33,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d5a20d1/8f251bb69bc44067ac13f57bd852fa8a/FLAGfcf98db75 [2019-11-28 12:40:33,843 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 12:40:33,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-28 12:40:33,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d5a20d1/8f251bb69bc44067ac13f57bd852fa8a/FLAGfcf98db75 [2019-11-28 12:40:34,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d5a20d1/8f251bb69bc44067ac13f57bd852fa8a [2019-11-28 12:40:34,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 12:40:34,112 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 12:40:34,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 12:40:34,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 12:40:34,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 12:40:34,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:40:34" (1/1) ... [2019-11-28 12:40:34,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34aa0f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:34, skipping insertion in model container [2019-11-28 12:40:34,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:40:34" (1/1) ... [2019-11-28 12:40:34,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 12:40:34,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 12:40:34,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 12:40:34,794 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 12:40:34,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 12:40:34,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 12:40:34,893 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 12:40:34,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 12:40:35,053 INFO L208 MainTranslator]: Completed translation [2019-11-28 12:40:35,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:35 WrapperNode [2019-11-28 12:40:35,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 12:40:35,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 12:40:35,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 12:40:35,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 12:40:35,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:35" (1/1) ... [2019-11-28 12:40:35,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:35" (1/1) ... [2019-11-28 12:40:35,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:35" (1/1) ... [2019-11-28 12:40:35,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:35" (1/1) ... [2019-11-28 12:40:35,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:35" (1/1) ... [2019-11-28 12:40:35,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:35" (1/1) ... [2019-11-28 12:40:35,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:35" (1/1) ... [2019-11-28 12:40:35,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 12:40:35,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 12:40:35,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 12:40:35,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 12:40:35,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:35" (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 12:40:35,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 12:40:35,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 12:40:35,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 12:40:35,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 12:40:35,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 12:40:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 12:40:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 12:40:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 12:40:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 12:40:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 12:40:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 12:40:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 12:40:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 12:40:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 12:40:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 12:40:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 12:40:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 12:40:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 12:40:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 12:40:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 12:40:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 12:40:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 12:40:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 12:40:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 12:40:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 12:40:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 12:40:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 12:40:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 12:40:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 12:40:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 12:40:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 12:40:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 12:40:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 12:40:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 12:40:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 12:40:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 12:40:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 12:40:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 12:40:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 12:40:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 12:40:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 12:40:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 12:40:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-11-28 12:40:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-11-28 12:40:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 12:40:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 12:40:35,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 12:40:35,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 12:40:35,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 12:40:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 12:40:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 12:40:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 12:40:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 12:40:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 12:40:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 12:40:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 12:40:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 12:40:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 12:40:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 12:40:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 12:40:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 12:40:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 12:40:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 12:40:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 12:40:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 12:40:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 12:40:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 12:40:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 12:40:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 12:40:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 12:40:35,252 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 12:40:35,252 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 12:40:35,252 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 12:40:35,252 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 12:40:35,253 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 12:40:35,253 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 12:40:35,253 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 12:40:35,253 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 12:40:35,253 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 12:40:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 12:40:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 12:40:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 12:40:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 12:40:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 12:40:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 12:40:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 12:40:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 12:40:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 12:40:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 12:40:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 12:40:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 12:40:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 12:40:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 12:40:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 12:40:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 12:40:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 12:40:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 12:40:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 12:40:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 12:40:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 12:40:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 12:40:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 12:40:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 12:40:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 12:40:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 12:40:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 12:40:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 12:40:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 12:40:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 12:40:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 12:40:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 12:40:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 12:40:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 12:40:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 12:40:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 12:40:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 12:40:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 12:40:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 12:40:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 12:40:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 12:40:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 12:40:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 12:40:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 12:40:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 12:40:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 12:40:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 12:40:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 12:40:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 12:40:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 12:40:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 12:40:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 12:40:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 12:40:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 12:40:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 12:40:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 12:40:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 12:40:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 12:40:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 12:40:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 12:40:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 12:40:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 12:40:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 12:40:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 12:40:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 12:40:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 12:40:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 12:40:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 12:40:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 12:40:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 12:40:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 12:40:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 12:40:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 12:40:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 12:40:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 12:40:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 12:40:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 12:40:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 12:40:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 12:40:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 12:40:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 12:40:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 12:40:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 12:40:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 12:40:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 12:40:35,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 12:40:35,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 12:40:35,271 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 12:40:35,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 12:40:35,271 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 12:40:35,271 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 12:40:35,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 12:40:35,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 12:40:35,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 12:40:35,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 12:40:35,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 12:40:35,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 12:40:35,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 12:40:35,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 12:40:35,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 12:40:35,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 12:40:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 12:40:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 12:40:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 12:40:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 12:40:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 12:40:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 12:40:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 12:40:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 12:40:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 12:40:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 12:40:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 12:40:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 12:40:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 12:40:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 12:40:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 12:40:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 12:40:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 12:40:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 12:40:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 12:40:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 12:40:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 12:40:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 12:40:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 12:40:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-11-28 12:40:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-11-28 12:40:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 12:40:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 12:40:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 12:40:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 12:40:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 12:40:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 12:40:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 12:40:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 12:40:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 12:40:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 12:40:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 12:40:35,933 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 12:40:36,357 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 12:40:36,878 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 12:40:36,878 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 12:40:36,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:36 BoogieIcfgContainer [2019-11-28 12:40:36,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 12:40:36,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 12:40:36,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 12:40:36,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 12:40:36,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:40:34" (1/3) ... [2019-11-28 12:40:36,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692793a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:40:36, skipping insertion in model container [2019-11-28 12:40:36,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:35" (2/3) ... [2019-11-28 12:40:36,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692793a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:40:36, skipping insertion in model container [2019-11-28 12:40:36,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:36" (3/3) ... [2019-11-28 12:40:36,890 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2019-11-28 12:40:36,900 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 12:40:36,910 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-11-28 12:40:36,923 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-11-28 12:40:36,951 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 12:40:36,951 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 12:40:36,951 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 12:40:36,952 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 12:40:36,952 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 12:40:36,952 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 12:40:36,952 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 12:40:36,953 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 12:40:36,980 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-11-28 12:40:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 12:40:36,994 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:36,996 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:36,997 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:40:37,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:37,005 INFO L82 PathProgramCache]: Analyzing trace with hash 307732063, now seen corresponding path program 1 times [2019-11-28 12:40:37,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:40:37,019 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027902827] [2019-11-28 12:40:37,019 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 12:40:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:37,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 12:40:37,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:40:37,276 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 12:40:37,277 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:40:37,371 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 12:40:37,372 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2027902827] [2019-11-28 12:40:37,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:37,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 12:40:37,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116693314] [2019-11-28 12:40:37,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 12:40:37,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:40:37,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 12:40:37,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 12:40:37,399 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 5 states. [2019-11-28 12:40:37,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:37,682 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2019-11-28 12:40:37,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 12:40:37,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-28 12:40:37,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:37,700 INFO L225 Difference]: With dead ends: 163 [2019-11-28 12:40:37,700 INFO L226 Difference]: Without dead ends: 160 [2019-11-28 12:40:37,703 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 12:40:37,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-28 12:40:37,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 106. [2019-11-28 12:40:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-28 12:40:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2019-11-28 12:40:37,798 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 16 [2019-11-28 12:40:37,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:37,799 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2019-11-28 12:40:37,799 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 12:40:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2019-11-28 12:40:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 12:40:37,802 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:37,802 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:38,013 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 12:40:38,014 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:40:38,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:38,015 INFO L82 PathProgramCache]: Analyzing trace with hash 2050542398, now seen corresponding path program 1 times [2019-11-28 12:40:38,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:40:38,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185996276] [2019-11-28 12:40:38,016 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 12:40:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:38,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 12:40:38,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:40:38,162 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 12:40:38,163 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:40:38,220 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 12:40:38,220 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185996276] [2019-11-28 12:40:38,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:38,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 12:40:38,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737637480] [2019-11-28 12:40:38,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 12:40:38,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:40:38,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 12:40:38,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 12:40:38,225 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand 3 states. [2019-11-28 12:40:38,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:38,478 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2019-11-28 12:40:38,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 12:40:38,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-28 12:40:38,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:38,481 INFO L225 Difference]: With dead ends: 156 [2019-11-28 12:40:38,481 INFO L226 Difference]: Without dead ends: 153 [2019-11-28 12:40:38,482 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 12:40:38,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-28 12:40:38,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2019-11-28 12:40:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-28 12:40:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2019-11-28 12:40:38,497 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 16 [2019-11-28 12:40:38,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:38,497 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2019-11-28 12:40:38,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 12:40:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-11-28 12:40:38,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 12:40:38,499 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:38,499 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:38,717 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 12:40:38,718 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:40:38,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:38,719 INFO L82 PathProgramCache]: Analyzing trace with hash 503598229, now seen corresponding path program 1 times [2019-11-28 12:40:38,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:40:38,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756814130] [2019-11-28 12:40:38,720 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 12:40:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:38,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 12:40:38,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:40:38,922 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 12:40:38,923 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:40:38,931 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:40:38,932 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:40:38,932 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 12:40:39,038 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:40:39,038 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-28 12:40:39,040 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:40:39,062 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-28 12:40:39,064 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 12:40:39,064 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-28 12:40:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 12:40:39,092 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:40:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 12:40:41,537 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756814130] [2019-11-28 12:40:41,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 12:40:41,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-28 12:40:41,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264600113] [2019-11-28 12:40:41,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 12:40:41,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:40:41,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 12:40:41,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=123, Unknown=1, NotChecked=0, Total=156 [2019-11-28 12:40:41,539 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 13 states. [2019-11-28 12:41:14,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:41:14,222 INFO L93 Difference]: Finished difference Result 233 states and 268 transitions. [2019-11-28 12:41:14,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 12:41:14,223 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-11-28 12:41:14,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:41:14,227 INFO L225 Difference]: With dead ends: 233 [2019-11-28 12:41:14,227 INFO L226 Difference]: Without dead ends: 233 [2019-11-28 12:41:14,228 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=84, Invalid=295, Unknown=1, NotChecked=0, Total=380 [2019-11-28 12:41:14,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2019-11-28 12:41:14,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 119. [2019-11-28 12:41:14,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-28 12:41:14,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 142 transitions. [2019-11-28 12:41:14,245 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 142 transitions. Word has length 19 [2019-11-28 12:41:14,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:41:14,245 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 142 transitions. [2019-11-28 12:41:14,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 12:41:14,246 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2019-11-28 12:41:14,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 12:41:14,247 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:41:14,247 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:41:14,449 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 12:41:14,450 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:41:14,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:41:14,451 INFO L82 PathProgramCache]: Analyzing trace with hash 503598230, now seen corresponding path program 1 times [2019-11-28 12:41:14,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:41:14,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241216285] [2019-11-28 12:41:14,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 12:41:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:41:14,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-28 12:41:14,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:41:14,600 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 12:41:14,600 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:41:14,612 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:41:14,618 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 12:41:14,619 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 12:41:14,631 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:41:14,631 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:41:14,632 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-28 12:41:16,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 12:41:16,807 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-28 12:41:16,808 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:41:16,830 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:41:16,842 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:41:16,842 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-28 12:41:16,843 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 12:41:16,856 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:41:16,858 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:41:16,858 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2019-11-28 12:41:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 12:41:16,886 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:41:17,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:41:17,218 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:41:17,219 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:41:17,221 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:41:20,362 WARN L192 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-28 12:41:20,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:41:23,299 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-28 12:41:23,312 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-28 12:41:23,312 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:41:23,323 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:41:23,329 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 12:41:23,329 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 12:41:23,340 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:41:23,340 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:41:23,340 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-28 12:41:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 12:41:23,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241216285] [2019-11-28 12:41:23,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 12:41:23,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-28 12:41:23,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025933228] [2019-11-28 12:41:23,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-28 12:41:23,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:41:23,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-28 12:41:23,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=199, Unknown=3, NotChecked=0, Total=240 [2019-11-28 12:41:23,419 INFO L87 Difference]: Start difference. First operand 119 states and 142 transitions. Second operand 16 states. [2019-11-28 12:41:46,928 WARN L192 SmtUtils]: Spent 8.98 s on a formula simplification that was a NOOP. DAG size: 51 [2019-11-28 12:42:09,902 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2019-11-28 12:42:11,978 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-28 12:43:08,945 WARN L192 SmtUtils]: Spent 6.25 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-11-28 12:43:55,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:43:55,659 INFO L93 Difference]: Finished difference Result 210 states and 241 transitions. [2019-11-28 12:43:55,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-28 12:43:55,660 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2019-11-28 12:43:55,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:43:55,662 INFO L225 Difference]: With dead ends: 210 [2019-11-28 12:43:55,662 INFO L226 Difference]: Without dead ends: 210 [2019-11-28 12:43:55,663 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 32.3s TimeCoverageRelationStatistics Valid=82, Invalid=376, Unknown=4, NotChecked=0, Total=462 [2019-11-28 12:43:55,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-11-28 12:43:55,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 155. [2019-11-28 12:43:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-28 12:43:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 205 transitions. [2019-11-28 12:43:55,681 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 205 transitions. Word has length 19 [2019-11-28 12:43:55,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:43:55,682 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 205 transitions. [2019-11-28 12:43:55,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-28 12:43:55,682 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 205 transitions. [2019-11-28 12:43:55,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 12:43:55,683 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:43:55,683 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:43:55,892 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 12:43:55,893 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:43:55,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:43:55,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1293353130, now seen corresponding path program 1 times [2019-11-28 12:43:55,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:43:55,896 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252457265] [2019-11-28 12:43:55,896 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 12:43:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:43:56,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 12:43:56,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:43:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 12:43:56,051 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:43:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 12:43:56,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252457265] [2019-11-28 12:43:56,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 12:43:56,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-28 12:43:56,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072741848] [2019-11-28 12:43:56,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 12:43:56,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:43:56,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 12:43:56,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 12:43:56,112 INFO L87 Difference]: Start difference. First operand 155 states and 205 transitions. Second operand 5 states. [2019-11-28 12:43:56,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:43:56,163 INFO L93 Difference]: Finished difference Result 136 states and 172 transitions. [2019-11-28 12:43:56,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 12:43:56,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-28 12:43:56,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:43:56,165 INFO L225 Difference]: With dead ends: 136 [2019-11-28 12:43:56,165 INFO L226 Difference]: Without dead ends: 134 [2019-11-28 12:43:56,166 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 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 12:43:56,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-28 12:43:56,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-11-28 12:43:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-28 12:43:56,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 170 transitions. [2019-11-28 12:43:56,185 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 170 transitions. Word has length 19 [2019-11-28 12:43:56,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:43:56,186 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 170 transitions. [2019-11-28 12:43:56,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 12:43:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2019-11-28 12:43:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 12:43:56,187 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:43:56,187 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:43:56,391 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 12:43:56,391 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:43:56,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:43:56,392 INFO L82 PathProgramCache]: Analyzing trace with hash -943570788, now seen corresponding path program 1 times [2019-11-28 12:43:56,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:43:56,393 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653086918] [2019-11-28 12:43:56,393 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 12:43:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:43:56,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 12:43:56,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:43:56,555 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 12:43:56,555 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:43:56,562 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:43:56,563 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:43:56,563 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2019-11-28 12:43:56,575 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 8 [2019-11-28 12:43:56,576 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:43:56,579 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:43:56,579 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:43:56,580 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2019-11-28 12:43:56,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 12:43:56,589 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:43:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 12:43:56,622 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653086918] [2019-11-28 12:43:56,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:43:56,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-28 12:43:56,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315349773] [2019-11-28 12:43:56,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 12:43:56,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:43:56,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 12:43:56,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 12:43:56,623 INFO L87 Difference]: Start difference. First operand 134 states and 170 transitions. Second operand 6 states. [2019-11-28 12:43:56,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:43:56,790 INFO L93 Difference]: Finished difference Result 137 states and 172 transitions. [2019-11-28 12:43:56,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 12:43:56,791 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-28 12:43:56,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:43:56,792 INFO L225 Difference]: With dead ends: 137 [2019-11-28 12:43:56,793 INFO L226 Difference]: Without dead ends: 137 [2019-11-28 12:43:56,793 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-28 12:43:56,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-28 12:43:56,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2019-11-28 12:43:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-28 12:43:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 169 transitions. [2019-11-28 12:43:56,802 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 169 transitions. Word has length 24 [2019-11-28 12:43:56,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:43:56,802 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 169 transitions. [2019-11-28 12:43:56,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 12:43:56,803 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 169 transitions. [2019-11-28 12:43:56,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 12:43:56,804 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:43:56,804 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:43:57,012 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 12:43:57,016 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:43:57,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:43:57,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1543942045, now seen corresponding path program 1 times [2019-11-28 12:43:57,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:43:57,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947535883] [2019-11-28 12:43:57,018 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 12:43:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:43:57,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 12:43:57,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:43:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 12:43:57,267 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:43:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 12:43:57,375 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947535883] [2019-11-28 12:43:57,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 12:43:57,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2019-11-28 12:43:57,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009377902] [2019-11-28 12:43:57,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 12:43:57,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:43:57,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 12:43:57,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-28 12:43:57,377 INFO L87 Difference]: Start difference. First operand 134 states and 169 transitions. Second operand 10 states. [2019-11-28 12:43:57,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:43:57,764 INFO L93 Difference]: Finished difference Result 137 states and 171 transitions. [2019-11-28 12:43:57,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 12:43:57,766 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-28 12:43:57,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:43:57,767 INFO L225 Difference]: With dead ends: 137 [2019-11-28 12:43:57,768 INFO L226 Difference]: Without dead ends: 135 [2019-11-28 12:43:57,768 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-28 12:43:57,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-28 12:43:57,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-11-28 12:43:57,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-28 12:43:57,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 169 transitions. [2019-11-28 12:43:57,777 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 169 transitions. Word has length 24 [2019-11-28 12:43:57,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:43:57,777 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 169 transitions. [2019-11-28 12:43:57,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 12:43:57,778 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 169 transitions. [2019-11-28 12:43:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 12:43:57,779 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:43:57,779 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:43:57,992 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-28 12:43:57,993 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:43:57,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:43:57,993 INFO L82 PathProgramCache]: Analyzing trace with hash 304570972, now seen corresponding path program 1 times [2019-11-28 12:43:57,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:43:57,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588002964] [2019-11-28 12:43:57,994 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 12:43:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:43:58,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 12:43:58,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:43:58,149 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 12:43:58,149 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:43:58,152 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:43:58,152 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:43:58,152 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 12:43:58,180 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-28 12:43:58,180 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:43:58,188 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:43:58,189 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:43:58,189 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-28 12:43:58,203 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 11 [2019-11-28 12:43:58,204 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:43:58,206 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:43:58,206 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:43:58,207 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:7 [2019-11-28 12:43:58,277 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:43:58,278 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2019-11-28 12:43:58,278 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:43:58,299 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-28 12:43:58,300 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 12:43:58,300 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-28 12:43:58,334 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 12:43:58,334 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:44:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 12:44:00,751 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588002964] [2019-11-28 12:44:00,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 12:44:00,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2019-11-28 12:44:00,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002340412] [2019-11-28 12:44:00,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 12:44:00,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:44:00,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 12:44:00,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=172, Unknown=1, NotChecked=0, Total=210 [2019-11-28 12:44:00,755 INFO L87 Difference]: Start difference. First operand 135 states and 169 transitions. Second operand 15 states. [2019-11-28 12:44:25,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:44:25,910 INFO L93 Difference]: Finished difference Result 163 states and 202 transitions. [2019-11-28 12:44:25,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 12:44:25,911 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 29 [2019-11-28 12:44:25,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:44:25,913 INFO L225 Difference]: With dead ends: 163 [2019-11-28 12:44:25,913 INFO L226 Difference]: Without dead ends: 163 [2019-11-28 12:44:25,914 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=84, Invalid=377, Unknown=1, NotChecked=0, Total=462 [2019-11-28 12:44:25,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-11-28 12:44:25,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 136. [2019-11-28 12:44:25,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-28 12:44:25,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 170 transitions. [2019-11-28 12:44:25,922 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 170 transitions. Word has length 29 [2019-11-28 12:44:25,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:44:25,925 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 170 transitions. [2019-11-28 12:44:25,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 12:44:25,925 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 170 transitions. [2019-11-28 12:44:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 12:44:25,927 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:44:25,927 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:44:26,138 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-28 12:44:26,139 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:44:26,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:44:26,139 INFO L82 PathProgramCache]: Analyzing trace with hash 304570973, now seen corresponding path program 1 times [2019-11-28 12:44:26,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:44:26,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745491064] [2019-11-28 12:44:26,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-28 12:44:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:44:26,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-28 12:44:26,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:44:26,293 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 12:44:26,294 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:44:26,307 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:44:26,312 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 12:44:26,312 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 12:44:26,321 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:44:26,321 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:44:26,321 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-28 12:44:26,356 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-28 12:44:26,357 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:44:26,379 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:44:26,385 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-28 12:44:26,385 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 12:44:26,396 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:44:26,396 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:44:26,397 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:30 [2019-11-28 12:44:26,422 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 30 treesize of output 18 [2019-11-28 12:44:26,423 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:44:26,433 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:44:26,437 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 7 [2019-11-28 12:44:26,438 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 12:44:26,445 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:44:26,446 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:44:26,446 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:16 [2019-11-28 12:44:28,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 12:44:28,564 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-28 12:44:28,565 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:44:28,579 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:44:28,589 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:44:28,590 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-28 12:44:28,590 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 12:44:28,602 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:44:28,603 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:44:28,603 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-28 12:44:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 12:44:28,630 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:44:28,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:44:28,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:44:28,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:44:28,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:44:29,937 WARN L192 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-28 12:44:29,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 12:44:34,886 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-28 12:44:34,893 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-28 12:44:34,894 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 12:44:34,905 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:44:34,907 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 12:44:34,908 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 12:44:34,919 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 12:44:34,920 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 12:44:34,920 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-28 12:44:35,001 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 12:44:35,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745491064] [2019-11-28 12:44:35,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 12:44:35,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-28 12:44:35,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759764556] [2019-11-28 12:44:35,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-28 12:44:35,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 12:44:35,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-28 12:44:35,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=261, Unknown=2, NotChecked=0, Total=306 [2019-11-28 12:44:35,003 INFO L87 Difference]: Start difference. First operand 136 states and 170 transitions. Second operand 18 states. [2019-11-28 12:44:49,646 WARN L192 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 51 [2019-11-28 12:45:08,294 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-28 12:45:16,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:45:16,095 INFO L93 Difference]: Finished difference Result 139 states and 169 transitions. [2019-11-28 12:45:16,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 12:45:16,096 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-11-28 12:45:16,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:45:16,097 INFO L225 Difference]: With dead ends: 139 [2019-11-28 12:45:16,097 INFO L226 Difference]: Without dead ends: 139 [2019-11-28 12:45:16,098 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 22.9s TimeCoverageRelationStatistics Valid=84, Invalid=463, Unknown=5, NotChecked=0, Total=552 [2019-11-28 12:45:16,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-11-28 12:45:16,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 136. [2019-11-28 12:45:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-28 12:45:16,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 168 transitions. [2019-11-28 12:45:16,102 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 168 transitions. Word has length 29 [2019-11-28 12:45:16,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:45:16,103 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 168 transitions. [2019-11-28 12:45:16,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-28 12:45:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 168 transitions. [2019-11-28 12:45:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 12:45:16,104 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:45:16,104 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:45:16,304 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-28 12:45:16,305 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 12:45:16,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:45:16,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1801581997, now seen corresponding path program 1 times [2019-11-28 12:45:16,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 12:45:16,307 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328243365] [2019-11-28 12:45:16,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-11-28 12:45:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:45:16,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-28 12:45:16,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 12:45:18,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 12:45:18,522 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 12:45:22,895 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-28 12:45:22,896 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 12:45:22,903 INFO L168 Benchmark]: Toolchain (without parser) took 288791.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 250.6 MB). Free memory was 951.0 MB in the beginning and 849.4 MB in the end (delta: 101.6 MB). Peak memory consumption was 352.2 MB. Max. memory is 11.5 GB. [2019-11-28 12:45:22,904 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 12:45:22,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -117.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-28 12:45:22,905 INFO L168 Benchmark]: Boogie Preprocessor took 110.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 12:45:22,906 INFO L168 Benchmark]: RCFGBuilder took 1712.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 943.3 MB in the end (delta: 125.2 MB). Peak memory consumption was 125.2 MB. Max. memory is 11.5 GB. [2019-11-28 12:45:22,906 INFO L168 Benchmark]: TraceAbstraction took 286019.78 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 133.7 MB). Free memory was 943.3 MB in the beginning and 849.4 MB in the end (delta: 94.0 MB). Peak memory consumption was 227.7 MB. Max. memory is 11.5 GB. [2019-11-28 12:45:22,908 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 943.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -117.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1712.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 943.3 MB in the end (delta: 125.2 MB). Peak memory consumption was 125.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 286019.78 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 133.7 MB). Free memory was 943.3 MB in the beginning and 849.4 MB in the end (delta: 94.0 MB). Peak memory consumption was 227.7 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...