./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 906a4fb5 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_test1-3.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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 ............................................................................................................................. 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_test1-3.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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:07:11,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:07:11,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:07:11,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:07:11,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:07:11,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:07:11,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:07:11,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:07:11,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:07:11,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:07:11,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:07:11,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:07:11,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:07:11,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:07:11,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:07:11,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:07:11,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:07:11,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:07:11,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:07:11,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:07:11,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:07:11,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:07:11,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:07:11,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:07:11,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:07:11,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:07:11,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:07:11,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:07:11,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:07:11,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:07:11,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:07:11,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:07:11,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:07:11,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:07:11,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:07:11,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:07:11,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:07:11,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:07:11,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:07:11,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:07:11,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:07:11,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:07:12,000 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:07:12,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:07:12,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:07:12,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:07:12,002 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:07:12,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:07:12,003 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:07:12,003 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:07:12,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:07:12,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:07:12,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:07:12,004 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:07:12,004 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:07:12,005 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:07:12,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:07:12,005 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:07:12,005 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:07:12,006 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:07:12,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:07:12,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:07:12,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:07:12,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:07:12,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:07:12,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:07:12,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:07:12,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:07:12,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:07:12,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:07:12,009 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 -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2020-10-19 18:07:12,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:07:12,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:07:12,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:07:12,340 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:07:12,341 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:07:12,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2020-10-19 18:07:12,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef015326/893b562df8c14f6e927a3cfc56c223bd/FLAG27da44844 [2020-10-19 18:07:12,935 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:07:12,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2020-10-19 18:07:12,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef015326/893b562df8c14f6e927a3cfc56c223bd/FLAG27da44844 [2020-10-19 18:07:13,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef015326/893b562df8c14f6e927a3cfc56c223bd [2020-10-19 18:07:13,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:07:13,162 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:07:13,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:07:13,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:07:13,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:07:13,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:07:13" (1/1) ... [2020-10-19 18:07:13,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6016f3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:13, skipping insertion in model container [2020-10-19 18:07:13,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:07:13" (1/1) ... [2020-10-19 18:07:13,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:07:13,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:07:13,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:07:13,838 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) [2020-10-19 18:07:13,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b7ae6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:13, skipping insertion in model container [2020-10-19 18:07:13,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:07:13,840 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:07:13,844 INFO L168 Benchmark]: Toolchain (without parser) took 686.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:13,845 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:07:13,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:13,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 676.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 26.3 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 0.1.25-906a4fb [2020-10-19 18:07:15,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:07:15,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:07:15,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:07:15,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:07:15,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:07:15,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:07:15,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:07:15,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:07:15,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:07:15,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:07:15,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:07:15,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:07:15,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:07:15,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:07:15,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:07:15,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:07:15,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:07:15,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:07:15,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:07:15,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:07:15,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:07:15,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:07:15,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:07:15,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:07:15,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:07:15,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:07:15,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:07:15,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:07:15,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:07:15,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:07:15,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:07:15,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:07:15,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:07:15,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:07:15,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:07:15,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:07:15,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:07:15,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:07:15,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:07:15,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:07:15,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:07:15,912 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:07:15,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:07:15,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:07:15,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:07:15,914 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:07:15,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:07:15,915 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:07:15,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:07:15,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:07:15,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:07:15,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:07:15,916 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:07:15,917 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:07:15,917 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:07:15,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:07:15,918 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:07:15,918 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:07:15,918 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:07:15,918 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:07:15,919 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:07:15,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:07:15,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:07:15,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:07:15,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:07:15,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:07:15,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:07:15,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:07:15,921 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:07:15,921 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:07:15,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:07:15,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:07:15,922 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 -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2020-10-19 18:07:16,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:07:16,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:07:16,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:07:16,290 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:07:16,293 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:07:16,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2020-10-19 18:07:16,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adb847013/6f3a674b5b1a405f805d21690dcd67b4/FLAG2f4c7c567 [2020-10-19 18:07:16,918 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:07:16,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2020-10-19 18:07:16,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adb847013/6f3a674b5b1a405f805d21690dcd67b4/FLAG2f4c7c567 [2020-10-19 18:07:17,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adb847013/6f3a674b5b1a405f805d21690dcd67b4 [2020-10-19 18:07:17,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:07:17,219 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:07:17,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:07:17,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:07:17,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:07:17,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:07:17" (1/1) ... [2020-10-19 18:07:17,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad8b5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:17, skipping insertion in model container [2020-10-19 18:07:17,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:07:17" (1/1) ... [2020-10-19 18:07:17,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:07:17,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:07:17,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:07:17,816 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:07:17,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:07:17,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:07:17,924 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:07:18,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:07:18,106 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:07:18,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:18 WrapperNode [2020-10-19 18:07:18,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:07:18,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:07:18,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:07:18,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:07:18,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:18" (1/1) ... [2020-10-19 18:07:18,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:18" (1/1) ... [2020-10-19 18:07:18,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:18" (1/1) ... [2020-10-19 18:07:18,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:18" (1/1) ... [2020-10-19 18:07:18,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:18" (1/1) ... [2020-10-19 18:07:18,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:18" (1/1) ... [2020-10-19 18:07:18,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:18" (1/1) ... [2020-10-19 18:07:18,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:07:18,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:07:18,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:07:18,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:07:18,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:18" (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 [2020-10-19 18:07:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:07:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:07:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:07:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:07:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:07:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:07:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:07:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:07:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:07:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:07:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:07:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:07:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:07:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:07:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:07:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:07:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:07:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:07:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:07:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:07:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:07:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:07:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:07:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:07:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:07:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:07:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:07:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:07:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:07:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:07:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:07:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:07:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:07:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:07:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:07:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:07:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:07:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:07:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:07:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:07:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:07:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:07:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:07:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:07:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:07:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:07:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:07:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:07:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:07:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:07:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:07:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:07:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:07:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:07:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:07:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:07:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:07:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:07:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:07:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:07:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:07:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:07:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:07:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:07:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:07:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:07:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:07:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:07:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:07:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:07:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:07:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:07:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:07:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:07:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:07:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:07:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:07:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:07:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:07:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:07:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:07:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:07:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:07:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:07:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:07:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:07:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:07:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:07:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:07:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:07:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:07:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:07:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:07:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:07:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:07:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:07:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:07:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:07:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:07:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:07:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:07:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:07:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:07:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:07:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:07:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:07:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:07:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:07:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:07:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:07:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:07:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:07:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:07:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:07:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:07:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:07:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:07:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:07:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:07:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:07:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:07:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:07:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:07:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:07:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:07:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:07:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:07:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:07:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:07:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:07:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:07:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:07:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:07:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:07:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:07:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:07:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:07:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:07:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:07:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:07:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:07:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:07:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:07:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:07:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:07:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:07:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:07:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:07:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:07:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:07:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:07:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:07:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:07:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:07:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:07:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:07:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:07:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:07:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:07:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:07:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:07:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:07:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:07:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:07:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:07:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:07:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:07:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:07:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:07:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:07:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:07:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:07:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:07:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:07:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:07:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:07:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:07:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:07:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:07:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:07:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:07:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:07:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:07:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:07:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:07:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:07:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:07:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:07:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:07:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:07:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:07:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:07:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:07:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:07:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:07:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:07:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:07:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:07:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:07:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:07:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:07:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:07:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:07:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:07:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:07:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:07:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:07:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:07:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:07:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:07:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:07:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:07:18,924 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:07:19,323 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:07:19,630 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:07:19,631 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 18:07:19,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:07:19 BoogieIcfgContainer [2020-10-19 18:07:19,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:07:19,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:07:19,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:07:19,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:07:19,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:07:17" (1/3) ... [2020-10-19 18:07:19,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3969e90e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:07:19, skipping insertion in model container [2020-10-19 18:07:19,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:18" (2/3) ... [2020-10-19 18:07:19,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3969e90e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:07:19, skipping insertion in model container [2020-10-19 18:07:19,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:07:19" (3/3) ... [2020-10-19 18:07:19,642 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2020-10-19 18:07:19,654 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:07:19,663 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-19 18:07:19,678 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-19 18:07:19,702 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:07:19,702 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:07:19,702 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:07:19,703 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:07:19,703 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:07:19,703 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:07:19,703 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:07:19,703 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:07:19,724 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-10-19 18:07:19,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-19 18:07:19,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:07:19,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:07:19,737 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:07:19,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:07:19,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2020-10-19 18:07:19,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:07:19,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973366217] [2020-10-19 18:07:19,762 INFO L95 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 [2020-10-19 18:07:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:07:19,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:07:19,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:07:20,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:07:20,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:07:20,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:07:20,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973366217] [2020-10-19 18:07:20,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:07:20,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 18:07:20,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764985120] [2020-10-19 18:07:20,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:07:20,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:07:20,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:07:20,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:07:20,104 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 5 states. [2020-10-19 18:07:20,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:07:20,135 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2020-10-19 18:07:20,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:07:20,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-19 18:07:20,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:07:20,148 INFO L225 Difference]: With dead ends: 24 [2020-10-19 18:07:20,148 INFO L226 Difference]: Without dead ends: 21 [2020-10-19 18:07:20,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:07:20,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-19 18:07:20,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-19 18:07:20,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-19 18:07:20,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-10-19 18:07:20,190 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2020-10-19 18:07:20,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:07:20,191 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-10-19 18:07:20,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:07:20,191 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-10-19 18:07:20,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-19 18:07:20,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:07:20,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:07:20,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:07:20,407 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:07:20,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:07:20,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2020-10-19 18:07:20,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:07:20,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1916196101] [2020-10-19 18:07:20,409 INFO L95 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 [2020-10-19 18:07:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:07:20,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:07:20,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:07:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:07:20,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:07:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:07:20,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1916196101] [2020-10-19 18:07:20,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:07:20,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-10-19 18:07:20,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803798347] [2020-10-19 18:07:20,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-19 18:07:20,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:07:20,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-19 18:07:20,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-19 18:07:20,793 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2020-10-19 18:07:20,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:07:20,963 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-10-19 18:07:20,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-19 18:07:20,965 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-19 18:07:20,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:07:20,968 INFO L225 Difference]: With dead ends: 28 [2020-10-19 18:07:20,969 INFO L226 Difference]: Without dead ends: 28 [2020-10-19 18:07:20,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-19 18:07:20,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-19 18:07:20,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2020-10-19 18:07:20,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-19 18:07:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2020-10-19 18:07:20,980 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 14 [2020-10-19 18:07:20,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:07:20,981 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2020-10-19 18:07:20,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-19 18:07:20,982 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2020-10-19 18:07:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-19 18:07:20,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:07:20,984 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:07:21,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 18:07:21,199 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:07:21,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:07:21,200 INFO L82 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2020-10-19 18:07:21,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:07:21,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931127344] [2020-10-19 18:07:21,202 INFO L95 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 [2020-10-19 18:07:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:07:21,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:07:21,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:07:21,387 INFO L384 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 [2020-10-19 18:07:21,388 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:07:21,393 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:07:21,393 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:07:21,394 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:07:21,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:07:21,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:07:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:07:21,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931127344] [2020-10-19 18:07:21,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:07:21,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 18:07:21,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210643] [2020-10-19 18:07:21,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:07:21,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:07:21,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:07:21,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:07:21,516 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 5 states. [2020-10-19 18:07:21,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:07:21,557 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2020-10-19 18:07:21,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:07:21,558 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-19 18:07:21,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:07:21,559 INFO L225 Difference]: With dead ends: 26 [2020-10-19 18:07:21,559 INFO L226 Difference]: Without dead ends: 26 [2020-10-19 18:07:21,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:07:21,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-19 18:07:21,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-19 18:07:21,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-19 18:07:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2020-10-19 18:07:21,565 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2020-10-19 18:07:21,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:07:21,566 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2020-10-19 18:07:21,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:07:21,566 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2020-10-19 18:07:21,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-19 18:07:21,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:07:21,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:07:21,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-19 18:07:21,778 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:07:21,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:07:21,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1267320807, now seen corresponding path program 1 times [2020-10-19 18:07:21,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:07:21,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112165761] [2020-10-19 18:07:21,781 INFO L95 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 [2020-10-19 18:07:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:07:21,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 18:07:21,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:07:21,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:07:21,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:07:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:07:21,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112165761] [2020-10-19 18:07:21,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:07:21,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 18:07:21,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693591650] [2020-10-19 18:07:21,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:07:21,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:07:21,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:07:21,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:07:21,947 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 5 states. [2020-10-19 18:07:21,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:07:21,968 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2020-10-19 18:07:21,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:07:21,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-19 18:07:21,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:07:21,970 INFO L225 Difference]: With dead ends: 27 [2020-10-19 18:07:21,970 INFO L226 Difference]: Without dead ends: 27 [2020-10-19 18:07:21,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:07:21,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-19 18:07:21,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2020-10-19 18:07:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-19 18:07:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-10-19 18:07:21,975 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2020-10-19 18:07:21,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:07:21,976 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-10-19 18:07:21,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:07:21,976 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-10-19 18:07:21,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-19 18:07:21,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:07:21,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:07:22,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-19 18:07:22,182 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:07:22,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:07:22,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2020-10-19 18:07:22,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:07:22,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554921538] [2020-10-19 18:07:22,184 INFO L95 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 [2020-10-19 18:07:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:07:22,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-19 18:07:22,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:07:24,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:07:24,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:07:32,696 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_3| (store |c_#valid| c_entry_point_~p~0.base (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_3| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (select |c_old(#valid)| v_entry_point_~p~0.base_12) (_ bv0 1)))))) is different from false [2020-10-19 18:07:32,856 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (or (not (= (select |c_#valid| |v_entry_point_#t~ret38.base_28|) (_ bv0 1))) (= |v_old(#valid)_BEFORE_CALL_3| (store |c_#valid| |v_entry_point_#t~ret38.base_28| (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_3| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (select |c_old(#valid)| v_entry_point_~p~0.base_12) (_ bv0 1)))))) is different from false [2020-10-19 18:07:32,889 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:07:32,897 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2020-10-19 18:07:32,908 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (and (not (= (store |c_old(#valid)| |v_entry_point_#t~ret38.base_28| (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret38.base_28|)) (forall ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1))))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_3| (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from false [2020-10-19 18:07:32,915 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (and (not (= (store |c_old(#valid)| |v_entry_point_#t~ret38.base_28| (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret38.base_28|)) (forall ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1))))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_3| (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from true [2020-10-19 18:07:32,926 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:07:32,931 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2020-10-19 18:07:32,955 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:07:32,961 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2020-10-19 18:07:32,974 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_26| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_26|))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (and (not (= (store |c_old(#valid)| |v_entry_point_#t~ret38.base_28| (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret38.base_28|)) (forall ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1))))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_3| (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_3| (store |c_#valid| |v_ldv_malloc_#res.base_26| (_ bv0 1))))) is different from false [2020-10-19 18:07:32,981 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_26| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_26|))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (and (not (= (store |c_old(#valid)| |v_entry_point_#t~ret38.base_28| (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret38.base_28|)) (forall ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1))))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_3| (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_3| (store |c_#valid| |v_ldv_malloc_#res.base_26| (_ bv0 1))))) is different from true [2020-10-19 18:07:32,994 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:07:33,002 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2020-10-19 18:07:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:07:33,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554921538] [2020-10-19 18:07:33,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:07:33,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 9] imperfect sequences [] total 13 [2020-10-19 18:07:33,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934551302] [2020-10-19 18:07:33,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-19 18:07:33,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:07:33,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-19 18:07:33,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=57, Unknown=19, NotChecked=76, Total=182 [2020-10-19 18:07:33,020 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 14 states. [2020-10-19 18:07:45,780 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (and (not (= (store |c_old(#valid)| |v_entry_point_#t~ret38.base_28| (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret38.base_28|)) (forall ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1))))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_3| (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from false [2020-10-19 18:07:57,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:07:57,967 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2020-10-19 18:07:57,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-19 18:07:57,968 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-10-19 18:07:57,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:07:57,969 INFO L225 Difference]: With dead ends: 28 [2020-10-19 18:07:57,969 INFO L226 Difference]: Without dead ends: 19 [2020-10-19 18:07:57,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=36, Invalid=63, Unknown=31, NotChecked=110, Total=240 [2020-10-19 18:07:57,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-19 18:07:57,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-19 18:07:57,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-19 18:07:57,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-10-19 18:07:57,972 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18 [2020-10-19 18:07:57,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:07:57,972 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-10-19 18:07:57,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-19 18:07:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-10-19 18:07:57,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-19 18:07:57,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:07:57,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:07:58,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-19 18:07:58,175 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:07:58,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:07:58,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1991238988, now seen corresponding path program 1 times [2020-10-19 18:07:58,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:07:58,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392032743] [2020-10-19 18:07:58,179 INFO L95 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 [2020-10-19 18:07:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:07:58,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-19 18:07:58,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:07:58,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:07:58,305 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2020-10-19 18:07:58,306 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:07:58,316 INFO L625 ElimStorePlain]: treesize reduction 4, result has 73.3 percent of original size [2020-10-19 18:07:58,317 INFO L545 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. [2020-10-19 18:07:58,317 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2020-10-19 18:07:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:07:58,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:07:58,581 INFO L384 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 20 treesize of output 9 [2020-10-19 18:07:58,582 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:07:58,584 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:07:58,585 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:07:58,585 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:9 [2020-10-19 18:07:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:07:58,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392032743] [2020-10-19 18:07:58,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:07:58,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 14 [2020-10-19 18:07:58,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184805442] [2020-10-19 18:07:58,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-19 18:07:58,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:07:58,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-19 18:07:58,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-10-19 18:07:58,666 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 15 states. [2020-10-19 18:07:58,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:07:58,863 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-10-19 18:07:58,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-19 18:07:58,864 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 18 [2020-10-19 18:07:58,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:07:58,865 INFO L225 Difference]: With dead ends: 18 [2020-10-19 18:07:58,865 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 18:07:58,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-10-19 18:07:58,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 18:07:58,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 18:07:58,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 18:07:58,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 18:07:58,869 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-19 18:07:58,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:07:58,869 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:07:58,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-19 18:07:58,869 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:07:58,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 18:07:59,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-19 18:07:59,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:07:59 BoogieIcfgContainer [2020-10-19 18:07:59,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:07:59,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:07:59,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:07:59,083 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:07:59,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:07:19" (3/4) ... [2020-10-19 18:07:59,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 18:07:59,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-10-19 18:07:59,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:07:59,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-10-19 18:07:59,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-10-19 18:07:59,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-10-19 18:07:59,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-10-19 18:07:59,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-10-19 18:07:59,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-10-19 18:07:59,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-10-19 18:07:59,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-19 18:07:59,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-10-19 18:07:59,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-10-19 18:07:59,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-10-19 18:07:59,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-10-19 18:07:59,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-10-19 18:07:59,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:07:59,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-10-19 18:07:59,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-10-19 18:07:59,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-10-19 18:07:59,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-10-19 18:07:59,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-10-19 18:07:59,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-10-19 18:07:59,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-10-19 18:07:59,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-10-19 18:07:59,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-10-19 18:07:59,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-10-19 18:07:59,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-10-19 18:07:59,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-10-19 18:07:59,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-10-19 18:07:59,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-10-19 18:07:59,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-10-19 18:07:59,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-10-19 18:07:59,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-10-19 18:07:59,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-10-19 18:07:59,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-10-19 18:07:59,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-10-19 18:07:59,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-10-19 18:07:59,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-10-19 18:07:59,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-10-19 18:07:59,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-19 18:07:59,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-10-19 18:07:59,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-10-19 18:07:59,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-10-19 18:07:59,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-10-19 18:07:59,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-10-19 18:07:59,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-10-19 18:07:59,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2020-10-19 18:07:59,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-19 18:07:59,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:07:59,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:07:59,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 18:07:59,164 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:07:59,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:07:59,166 INFO L168 Benchmark]: Toolchain (without parser) took 41953.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.9 MB). Free memory was 958.6 MB in the beginning and 901.7 MB in the end (delta: 56.9 MB). Peak memory consumption was 270.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:59,167 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:07:59,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 887.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -131.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:59,168 INFO L168 Benchmark]: Boogie Preprocessor took 116.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:59,168 INFO L168 Benchmark]: RCFGBuilder took 1408.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.8 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:59,169 INFO L168 Benchmark]: TraceAbstraction took 39447.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 965.8 MB in the beginning and 909.8 MB in the end (delta: 56.0 MB). Peak memory consumption was 145.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:59,170 INFO L168 Benchmark]: Witness Printer took 82.26 ms. Allocated memory is still 1.2 GB. Free memory was 909.8 MB in the beginning and 901.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:59,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 887.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -131.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1408.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.8 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 39447.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 965.8 MB in the beginning and 909.8 MB in the end (delta: 56.0 MB). Peak memory consumption was 145.2 MB. Max. memory is 11.5 GB. * Witness Printer took 82.26 ms. Allocated memory is still 1.2 GB. Free memory was 909.8 MB in the beginning and 901.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 761]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 335 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 25.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 104 SDtfs, 51 SDslu, 259 SDs, 0 SdLazy, 235 SolverSat, 27 SolverUnsat, 21 SolverUnknown, 0 SolverNotchecked, 24.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 137 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 20 QuantifiedInterpolants, 16387 SizeOfPredicates, 9 NumberOfNonLiveVariables, 391 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...