./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.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_test21-1.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 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef ............................................................................................................................. 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_test21-1.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 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:09:11,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:09:11,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:09:11,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:09:11,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:09:11,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:09:11,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:09:11,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:09:11,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:09:11,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:09:11,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:09:11,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:09:11,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:09:11,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:09:11,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:09:11,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:09:11,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:09:11,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:09:11,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:09:11,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:09:11,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:09:11,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:09:11,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:09:11,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:09:11,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:09:11,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:09:11,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:09:11,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:09:11,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:09:11,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:09:11,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:09:11,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:09:11,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:09:11,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:09:11,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:09:11,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:09:11,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:09:11,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:09:11,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:09:11,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:09:11,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:09:11,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:09:11,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:09:11,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:09:11,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:09:11,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:09:11,787 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:09:11,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:09:11,788 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:09:11,788 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:09:11,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:09:11,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:09:11,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:09:11,791 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:09:11,791 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:09:11,791 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:09:11,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:09:11,792 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:09:11,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:09:11,793 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:09:11,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:09:11,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:09:11,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:09:11,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:09:11,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:09:11,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:09:11,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:09:11,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:09:11,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:09:11,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:09:11,796 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 -> 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef [2020-10-19 18:09:12,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:09:12,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:09:12,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:09:12,150 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:09:12,150 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:09:12,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2020-10-19 18:09:12,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5665ecb99/db538d7f986141c499ab4b69ac94a326/FLAG68cb03c39 [2020-10-19 18:09:12,748 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:09:12,749 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2020-10-19 18:09:12,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5665ecb99/db538d7f986141c499ab4b69ac94a326/FLAG68cb03c39 [2020-10-19 18:09:13,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5665ecb99/db538d7f986141c499ab4b69ac94a326 [2020-10-19 18:09:13,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:09:13,071 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:09:13,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:13,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:09:13,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:09:13,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:13" (1/1) ... [2020-10-19 18:09:13,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124eb975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13, skipping insertion in model container [2020-10-19 18:09:13,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:13" (1/1) ... [2020-10-19 18:09:13,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:09:13,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:09:13,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:13,705 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 18:09:13,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4557f85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13, skipping insertion in model container [2020-10-19 18:09:13,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:13,706 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:09:13,711 INFO L168 Benchmark]: Toolchain (without parser) took 643.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:13,712 INFO L168 Benchmark]: CDTParser took 0.28 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 18:09:13,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:13,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 633.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-906a4fb [2020-10-19 18:09:15,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:09:15,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:09:15,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:09:15,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:09:15,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:09:15,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:09:15,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:09:15,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:09:15,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:09:15,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:09:15,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:09:15,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:09:15,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:09:15,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:09:15,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:09:15,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:09:15,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:09:15,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:09:15,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:09:15,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:09:15,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:09:15,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:09:15,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:09:15,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:09:15,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:09:15,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:09:15,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:09:15,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:09:15,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:09:15,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:09:15,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:09:15,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:09:15,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:09:15,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:09:15,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:09:15,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:09:15,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:09:15,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:09:15,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:09:15,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:09:15,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:09:15,840 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:09:15,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:09:15,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:09:15,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:09:15,843 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:09:15,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:09:15,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:09:15,844 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:09:15,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:09:15,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:09:15,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:09:15,847 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:09:15,847 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:09:15,847 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:09:15,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:09:15,848 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:09:15,849 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:09:15,849 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:09:15,849 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:09:15,849 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:09:15,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:09:15,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:09:15,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:09:15,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:09:15,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:09:15,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:09:15,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:09:15,852 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:09:15,852 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:09:15,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:09:15,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:09:15,853 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 -> 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef [2020-10-19 18:09:16,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:09:16,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:09:16,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:09:16,218 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:09:16,219 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:09:16,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2020-10-19 18:09:16,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a8d1a654/5065ebb8cee743b197810347b8493417/FLAGac39a1692 [2020-10-19 18:09:16,819 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:09:16,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2020-10-19 18:09:16,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a8d1a654/5065ebb8cee743b197810347b8493417/FLAGac39a1692 [2020-10-19 18:09:17,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a8d1a654/5065ebb8cee743b197810347b8493417 [2020-10-19 18:09:17,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:09:17,136 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:09:17,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:17,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:09:17,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:09:17,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:17" (1/1) ... [2020-10-19 18:09:17,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85c8426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:17, skipping insertion in model container [2020-10-19 18:09:17,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:17" (1/1) ... [2020-10-19 18:09:17,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:09:17,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:09:17,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:17,716 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:09:17,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:09:17,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:17,846 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:09:17,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:18,013 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:09:18,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:18 WrapperNode [2020-10-19 18:09:18,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:18,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:09:18,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:09:18,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:09:18,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:18" (1/1) ... [2020-10-19 18:09:18,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:18" (1/1) ... [2020-10-19 18:09:18,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:18" (1/1) ... [2020-10-19 18:09:18,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:18" (1/1) ... [2020-10-19 18:09:18,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:18" (1/1) ... [2020-10-19 18:09:18,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:18" (1/1) ... [2020-10-19 18:09:18,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:18" (1/1) ... [2020-10-19 18:09:18,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:09:18,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:09:18,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:09:18,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:09:18,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:18" (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 18:09:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:09:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:09:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:09:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:09:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:09:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:09:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:09:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:09:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:09:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:09:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:09:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:09:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:09:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:09:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:09:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:09:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:09:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:09:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:09:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:09:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:09:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:09:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:09:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:09:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:09:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:09:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:09:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:09:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:09:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:09:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:09:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:09:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:09:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:09:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:09:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:09:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:09:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:09:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:09:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:09:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:09:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:09:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_21 [2020-10-19 18:09:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:09:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:09:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:09:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:09:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:09:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:09:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:09:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:09:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:09:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:09:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:09:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:09:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:09:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:09:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:09:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:09:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:09:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:09:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:09:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:09:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:09:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:09:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:09:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:09:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:09:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:09:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:09:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:09:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:09:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:09:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:09:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:09:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:09:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:09:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:09:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:09:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:09:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:09:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:09:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:09:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:09:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:09:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:09:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:09:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:09:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:09:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:09:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:09:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:09:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:09:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:09:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:09:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:09:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:09:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:09:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:09:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:09:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:09:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:09:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:09:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:09:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:09:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:09:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:09:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:09:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:09:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:09:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:09:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:09:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:09:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:09:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:09:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:09:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:09:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:09:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:09:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:09:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:09:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:09:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:09:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:09:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:09:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:09:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:09:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:09:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:09:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:09:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:09:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:09:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:09:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:09:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:09:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:09:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:09:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:09:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:09:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:09:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:09:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:09:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:09:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:09:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:09:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:09:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:09:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:09:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:09:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:09:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:09:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:09:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:09:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:09:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:09:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:09:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:09:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:09:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:09:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:09:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:09:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:09:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:09:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:09:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:09:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:09:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:09:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:09:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:09:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:09:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:09:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:09:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:09:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:09:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:09:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:09:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:09:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:09:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:09:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:09:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:09:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:09:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:09:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:09:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:09:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:09:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:09:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:09:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:09:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:09:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:09:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:09:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:09:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:09:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:09:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:09:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:09:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:09:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:09:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:09:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:09:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:09:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_21 [2020-10-19 18:09:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:09:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:09:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:09:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:09:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:09:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:09:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:09:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:09:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:09:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:09:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:09:18,860 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:09:19,190 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:09:19,493 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:09:19,493 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 18:09:19,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:09:19 BoogieIcfgContainer [2020-10-19 18:09:19,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:09:19,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:09:19,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:09:19,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:09:19,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:09:17" (1/3) ... [2020-10-19 18:09:19,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689b0b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:09:19, skipping insertion in model container [2020-10-19 18:09:19,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:18" (2/3) ... [2020-10-19 18:09:19,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689b0b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:09:19, skipping insertion in model container [2020-10-19 18:09:19,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:09:19" (3/3) ... [2020-10-19 18:09:19,505 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2020-10-19 18:09:19,516 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:09:19,524 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2020-10-19 18:09:19,538 INFO L253 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2020-10-19 18:09:19,560 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:09:19,560 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:09:19,560 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:09:19,560 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:09:19,560 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:09:19,561 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:09:19,561 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:09:19,561 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:09:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2020-10-19 18:09:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-19 18:09:19,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:19,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:19,591 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:09:19,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:19,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1349539649, now seen corresponding path program 1 times [2020-10-19 18:09:19,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:19,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47184842] [2020-10-19 18:09:19,611 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 18:09:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:09:19,806 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:09:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:09:19,839 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:09:19,876 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-19 18:09:19,877 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:09:20,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:09:20,113 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-10-19 18:09:20,119 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 18:09:20,119 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 18:09:20,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:09:20 BoogieIcfgContainer [2020-10-19 18:09:20,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:09:20,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:09:20,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:09:20,130 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:09:20,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:09:19" (3/4) ... [2020-10-19 18:09:20,134 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:09:20,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:09:20,137 INFO L168 Benchmark]: Toolchain (without parser) took 3005.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 958.6 MB in the beginning and 875.7 MB in the end (delta: 82.9 MB). Peak memory consumption was 169.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:20,137 INFO L168 Benchmark]: CDTParser took 0.28 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 18:09:20,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 877.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -92.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:20,139 INFO L168 Benchmark]: Boogie Preprocessor took 109.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:20,140 INFO L168 Benchmark]: RCFGBuilder took 1370.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 930.2 MB in the end (delta: 108.8 MB). Peak memory consumption was 108.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:20,141 INFO L168 Benchmark]: TraceAbstraction took 631.59 ms. Allocated memory is still 1.1 GB. Free memory was 930.2 MB in the beginning and 875.7 MB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:20,141 INFO L168 Benchmark]: Witness Printer took 4.94 ms. Allocated memory is still 1.1 GB. Free memory is still 875.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:09:20,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 877.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -92.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1370.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 930.2 MB in the end (delta: 108.8 MB). Peak memory consumption was 108.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 631.59 ms. Allocated memory is still 1.1 GB. Free memory was 930.2 MB in the beginning and 875.7 MB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.94 ms. Allocated memory is still 1.1 GB. Free memory is still 875.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * 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# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible 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}] [L773] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L770] CALL, EXPR alloc_21() VAL [ldv_global_msg_list={3:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A21)) VAL [\old(size)=16, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=16, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=16] [L762] RET, EXPR ldv_malloc(sizeof(struct A21)) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A21))={1:0}] [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; VAL [\result={1:4}, ldv_global_msg_list={3:0}, p={1:0}] [L770] RET, EXPR alloc_21() VAL [alloc_21()={1:4}, ldv_global_msg_list={3:0}] [L770] struct ldv_device *dev = alloc_21(); [L773] RET entry_point() VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 334 locations, 71 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...