./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.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_test1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca8443f02e84c43442a8563176ea0a68cc82ac31 ............................................................................................................................. 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_test1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca8443f02e84c43442a8563176ea0a68cc82ac31 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:07:11,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:07:11,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:07:11,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:07:11,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:07:11,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:07:11,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:07:11,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:07:11,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:07:11,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:07:11,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:07:11,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:07:11,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:07:11,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:07:11,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:07:11,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:07:11,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:07:11,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:07:11,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:07:11,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:07:11,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:07:11,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:07:11,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:07:11,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:07:11,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:07:11,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:07:11,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:07:12,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:07:12,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:07:12,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:07:12,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:07:12,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:07:12,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:07:12,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:07:12,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:07:12,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:07:12,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:07:12,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:07:12,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:07:12,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:07:12,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:07:12,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:07:12,076 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:07:12,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:07:12,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:07:12,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:07:12,080 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:07:12,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:07:12,082 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:07:12,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:07:12,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:07:12,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:07:12,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:07:12,084 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:07:12,084 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:07:12,085 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:07:12,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:07:12,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:07:12,086 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:07:12,086 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:07:12,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:07:12,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:07:12,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:07:12,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:07:12,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:07:12,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:07:12,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:07:12,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:07:12,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:07:12,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:07:12,090 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 -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2020-10-19 18:07:12,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:07:12,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:07:12,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:07:12,433 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:07:12,434 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:07:12,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-10-19 18:07:12,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ebd321e5/a2ab732fa2bc44a88d6ed92731ef60c7/FLAGa7806c16c [2020-10-19 18:07:13,074 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:07:13,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-10-19 18:07:13,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ebd321e5/a2ab732fa2bc44a88d6ed92731ef60c7/FLAGa7806c16c [2020-10-19 18:07:13,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ebd321e5/a2ab732fa2bc44a88d6ed92731ef60c7 [2020-10-19 18:07:13,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:07:13,343 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:07:13,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:07:13,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:07:13,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:07:13,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:07:13" (1/1) ... [2020-10-19 18:07:13,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3678b708 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 18:07:13,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:07:13" (1/1) ... [2020-10-19 18:07:13,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:07:13,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:07:14,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:07:14,028 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 18:07:14,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@481fbb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:14, skipping insertion in model container [2020-10-19 18:07:14,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:07:14,030 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:07:14,033 INFO L168 Benchmark]: Toolchain (without parser) took 693.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 957.2 MB in the beginning and 1.1 GB in the end (delta: -142.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:14,035 INFO L168 Benchmark]: CDTParser took 0.32 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 18:07:14,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:14,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 685.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 26.5 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 18:07:15,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:07:15,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:07:15,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:07:15,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:07:15,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:07:15,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:07:15,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:07:15,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:07:15,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:07:15,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:07:15,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:07:15,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:07:15,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:07:15,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:07:15,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:07:15,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:07:15,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:07:15,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:07:15,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:07:15,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:07:15,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:07:15,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:07:15,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:07:15,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:07:15,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:07:15,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:07:15,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:07:15,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:07:15,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:07:15,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:07:15,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:07:15,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:07:15,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:07:15,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:07:15,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:07:15,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:07:15,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:07:15,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:07:15,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:07:15,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:07:15,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:07:15,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:07:15,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:07:15,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:07:15,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:07:15,985 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:07:15,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:07:15,985 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:07:15,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:07:15,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:07:15,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:07:15,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:07:15,992 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:07:15,992 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:07:15,993 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:07:15,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:07:15,993 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:07:15,994 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:07:15,994 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:07:15,994 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:07:15,995 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:07:15,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:07:15,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:07:15,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:07:15,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:07:15,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:07:15,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:07:15,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:07:15,998 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:07:15,999 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:07:15,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:07:15,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:07:16,000 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 -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2020-10-19 18:07:16,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:07:16,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:07:16,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:07:16,351 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:07:16,359 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:07:16,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-10-19 18:07:16,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d81ddf77/bda7c0f52af94c2f910ba02b00e9b429/FLAGf172b674e [2020-10-19 18:07:16,971 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:07:16,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-10-19 18:07:16,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d81ddf77/bda7c0f52af94c2f910ba02b00e9b429/FLAGf172b674e [2020-10-19 18:07:17,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d81ddf77/bda7c0f52af94c2f910ba02b00e9b429 [2020-10-19 18:07:17,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:07:17,275 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:07:17,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:07:17,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:07:17,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:07:17,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:07:17" (1/1) ... [2020-10-19 18:07:17,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb0af1f 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 18:07:17,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:07:17" (1/1) ... [2020-10-19 18:07:17,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:07:17,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:07:18,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:07:18,036 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:07:18,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:07:18,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:07:18,160 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:07:18,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:07:18,320 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:07:18,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:07:18 WrapperNode [2020-10-19 18:07:18,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:07:18,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:07:18,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:07:18,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:07:18,333 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 18:07:18,333 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 18:07:18,359 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 18:07:18,360 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 18:07:18,394 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 18:07:18,401 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 18:07:18,410 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 18:07:18,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:07:18,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:07:18,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:07:18,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:07:18,423 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 18:07:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:07:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:07:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:07:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:07:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:07:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:07:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:07:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:07:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:07:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:07:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:07:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:07:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:07:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:07:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:07:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:07:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:07:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:07:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:07:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:07:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:07:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:07:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:07:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:07:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:07:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:07:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:07:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:07:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:07:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:07:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:07:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:07:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:07:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:07:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:07:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:07:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:07:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:07:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:07:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:07:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:07:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:07:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:07:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:07:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:07:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:07:18,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:07:18,508 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:07:18,508 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:07:18,508 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:07:18,508 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:07:18,508 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:07:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:07:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:07:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:07:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:07:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:07:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:07:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:07:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:07:18,510 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:07:18,510 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:07:18,510 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:07:18,511 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:07:18,511 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:07:18,511 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:07:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:07:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:07:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:07:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:07:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:07:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:07:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:07:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:07:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:07:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:07:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:07:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:07:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:07:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:07:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:07:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:07:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:07:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:07:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:07:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:07:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:07:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:07:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:07:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:07:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:07:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:07:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:07:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:07:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:07:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:07:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:07:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:07:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:07:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:07:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:07:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:07:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:07:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:07:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:07:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:07:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:07:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:07:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:07:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:07:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:07:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:07:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:07:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:07:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:07:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:07:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:07:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:07:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:07:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:07:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:07:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:07:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:07:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:07:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:07:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:07:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:07:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:07:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:07:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:07:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:07:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:07:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:07:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:07:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:07:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:07:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:07:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:07:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:07:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:07:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:07:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:07:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:07:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:07:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:07:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:07:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:07:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:07:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:07:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:07:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:07:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:07:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:07:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:07:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:07:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:07:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:07:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:07:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:07:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:07:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:07:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:07:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:07:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:07:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:07:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:07:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:07:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:07:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:07:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:07:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:07:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:07:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:07:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:07:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:07:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:07:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:07:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:07:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:07:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:07:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:07:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:07:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:07:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:07:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:07:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:07:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:07:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:07:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:07:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:07:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:07:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:07:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:07:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:07:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:07:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:07:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:07:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:07:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:07:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:07:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:07:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:07:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:07:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:07:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:07:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:07:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:07:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:07:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:07:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:07:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:07:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:07:19,223 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:07:19,621 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:07:19,970 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:07:19,970 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 18:07:19,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:07:19 BoogieIcfgContainer [2020-10-19 18:07:19,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:07:19,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:07:19,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:07:19,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:07:19,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:07:17" (1/3) ... [2020-10-19 18:07:19,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332af540 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 18:07:19,980 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 18:07:19,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332af540 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 18:07:19,981 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 18:07:19,983 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-2.i [2020-10-19 18:07:19,996 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:07:20,005 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2020-10-19 18:07:20,020 INFO L253 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2020-10-19 18:07:20,043 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:07:20,043 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:07:20,043 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:07:20,043 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:07:20,043 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:07:20,044 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:07:20,044 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:07:20,044 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:07:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-10-19 18:07:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-19 18:07:20,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:07:20,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:07:20,076 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_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:07:20,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:07:20,083 INFO L82 PathProgramCache]: Analyzing trace with hash 158552258, now seen corresponding path program 1 times [2020-10-19 18:07:20,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:07:20,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842799583] [2020-10-19 18:07:20,095 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 18:07:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:07:20,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:07:20,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:07:20,363 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 18:07:20,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:07:20,437 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 18:07:20,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1842799583] [2020-10-19 18:07:20,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:07:20,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 18:07:20,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242712982] [2020-10-19 18:07:20,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:07:20,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:07:20,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:07:20,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:07:20,467 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 5 states. [2020-10-19 18:07:20,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:07:20,518 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2020-10-19 18:07:20,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:07:20,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-19 18:07:20,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:07:20,543 INFO L225 Difference]: With dead ends: 29 [2020-10-19 18:07:20,544 INFO L226 Difference]: Without dead ends: 26 [2020-10-19 18:07:20,554 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 18:07:20,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-19 18:07:20,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-19 18:07:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-19 18:07:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2020-10-19 18:07:20,612 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 13 [2020-10-19 18:07:20,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:07:20,612 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2020-10-19 18:07:20,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:07:20,613 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2020-10-19 18:07:20,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-19 18:07:20,614 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:07:20,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:07:20,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:07:20,834 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_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:07:20,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:07:20,835 INFO L82 PathProgramCache]: Analyzing trace with hash 620153091, now seen corresponding path program 1 times [2020-10-19 18:07:20,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:07:20,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793745767] [2020-10-19 18:07:20,837 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 18:07:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:07:20,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:07:20,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:07:21,063 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 18:07:21,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:07:21,177 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 18:07:21,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1793745767] [2020-10-19 18:07:21,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:07:21,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-10-19 18:07:21,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633755842] [2020-10-19 18:07:21,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-19 18:07:21,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:07:21,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-19 18:07:21,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-19 18:07:21,181 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 9 states. [2020-10-19 18:07:21,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:07:21,347 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2020-10-19 18:07:21,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-19 18:07:21,348 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-19 18:07:21,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:07:21,351 INFO L225 Difference]: With dead ends: 35 [2020-10-19 18:07:21,352 INFO L226 Difference]: Without dead ends: 35 [2020-10-19 18:07:21,353 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 18:07:21,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-19 18:07:21,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2020-10-19 18:07:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-19 18:07:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2020-10-19 18:07:21,359 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2020-10-19 18:07:21,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:07:21,359 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2020-10-19 18:07:21,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-19 18:07:21,360 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2020-10-19 18:07:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-19 18:07:21,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:07:21,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:07:21,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 18:07:21,575 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_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:07:21,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:07:21,576 INFO L82 PathProgramCache]: Analyzing trace with hash 2044877028, now seen corresponding path program 1 times [2020-10-19 18:07:21,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:07:21,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1266898721] [2020-10-19 18:07:21,578 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 18:07:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:07:21,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:07:21,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:07:21,824 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 18:07:21,825 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:07:21,830 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:07:21,831 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:07:21,831 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:07:21,861 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 18:07:21,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:07:21,917 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 18:07:21,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1266898721] [2020-10-19 18:07:21,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:07:21,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 18:07:21,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040710192] [2020-10-19 18:07:21,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:07:21,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:07:21,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:07:21,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:07:21,921 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 5 states. [2020-10-19 18:07:21,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:07:21,973 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-10-19 18:07:21,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:07:21,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-19 18:07:21,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:07:21,975 INFO L225 Difference]: With dead ends: 30 [2020-10-19 18:07:21,975 INFO L226 Difference]: Without dead ends: 30 [2020-10-19 18:07:21,975 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 18:07:21,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-19 18:07:21,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-19 18:07:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-19 18:07:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2020-10-19 18:07:21,981 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 15 [2020-10-19 18:07:21,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:07:21,981 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2020-10-19 18:07:21,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:07:21,981 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2020-10-19 18:07:21,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-19 18:07:21,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:07:21,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:07:22,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-19 18:07:22,184 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_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:07:22,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:07:22,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1362586587, now seen corresponding path program 1 times [2020-10-19 18:07:22,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:07:22,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238523729] [2020-10-19 18:07:22,186 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 18:07:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:07:22,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 18:07:22,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:07:22,322 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 18:07:22,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:07:22,347 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 18:07:22,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238523729] [2020-10-19 18:07:22,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:07:22,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 18:07:22,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354630272] [2020-10-19 18:07:22,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:07:22,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:07:22,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:07:22,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:07:22,350 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 5 states. [2020-10-19 18:07:22,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:07:22,384 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2020-10-19 18:07:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:07:22,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-19 18:07:22,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:07:22,386 INFO L225 Difference]: With dead ends: 34 [2020-10-19 18:07:22,386 INFO L226 Difference]: Without dead ends: 34 [2020-10-19 18:07:22,387 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 18:07:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-19 18:07:22,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-19 18:07:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-19 18:07:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2020-10-19 18:07:22,392 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 15 [2020-10-19 18:07:22,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:07:22,392 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2020-10-19 18:07:22,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:07:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2020-10-19 18:07:22,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-19 18:07:22,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:07:22,393 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 18:07:22,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-19 18:07:22,605 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_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:07:22,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:07:22,605 INFO L82 PathProgramCache]: Analyzing trace with hash -884195001, now seen corresponding path program 1 times [2020-10-19 18:07:22,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:07:22,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607332177] [2020-10-19 18:07:22,607 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 18:07:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:07:22,718 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:07:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:07:22,741 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:07:22,767 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-19 18:07:22,767 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:07:22,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-19 18:07:22,985 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-19 18:07:22,987 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-19 18:07:22,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:07:22 BoogieIcfgContainer [2020-10-19 18:07:22,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:07:22,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:07:22,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:07:22,996 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:07:22,997 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 18:07:22,999 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-19 18:07:23,004 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-19 18:07:23,004 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-19 18:07:23,046 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:07:23,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:07:23,048 INFO L168 Benchmark]: Toolchain (without parser) took 5778.76 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.4 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 93.5 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:23,049 INFO L168 Benchmark]: CDTParser took 0.32 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 18:07:23,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1044.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:23,050 INFO L168 Benchmark]: Boogie Preprocessor took 99.77 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:23,051 INFO L168 Benchmark]: RCFGBuilder took 1551.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.8 MB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:07:23,051 INFO L168 Benchmark]: TraceAbstraction took 3020.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.7 MB). Free memory was 982.8 MB in the beginning and 1.1 GB in the end (delta: -113.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:07:23,052 INFO L168 Benchmark]: Witness Printer took 50.66 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:07:23,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 1044.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.77 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1551.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.8 MB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3020.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.7 MB). Free memory was 982.8 MB in the beginning and 1.1 GB in the end (delta: -113.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 50.66 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 760]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L763] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L759] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L759] free(p) [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 77 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 53 SDslu, 224 SDs, 0 SdLazy, 152 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred 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, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 3433 SizeOfPredicates, 4 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 incorrect! Received shutdown request...