./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/verifythis/tree_del_iter.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 509859d6 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/verifythis/tree_del_iter.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9186562caa2aa3b429c14af504cbc4d63c10baa7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/verifythis/tree_del_iter.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9186562caa2aa3b429c14af504cbc4d63c10baa7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:47:14,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:14,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:14,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:14,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:14,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:14,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:14,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:14,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:14,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:14,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:14,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:14,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:14,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:14,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:14,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:14,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:14,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:14,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:14,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:14,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:14,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:14,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:14,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:14,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:14,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:14,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:14,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:14,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:14,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:14,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:14,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:14,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:14,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:14,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:14,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:14,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:14,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:14,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:14,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:14,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:14,946 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 17:47:14,987 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:14,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:14,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:14,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:14,996 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:14,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:14,997 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:14,997 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:14,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:14,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:14,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:14,999 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:15,001 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:15,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:15,002 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:15,002 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:15,004 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:15,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:15,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:15,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:15,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:15,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:15,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:15,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:15,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:47:15,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:47:15,010 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-memcleanup) ) 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 -> 9186562caa2aa3b429c14af504cbc4d63c10baa7 [2019-11-27 17:47:15,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:15,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:15,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:15,659 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:15,663 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:15,664 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_iter.c [2019-11-27 17:47:15,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba69bd898/26a6e1ca381240ffab2cb61524ecd714/FLAG970a0a102 [2019-11-27 17:47:16,942 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:16,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_iter.c [2019-11-27 17:47:16,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba69bd898/26a6e1ca381240ffab2cb61524ecd714/FLAG970a0a102 [2019-11-27 17:47:17,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba69bd898/26a6e1ca381240ffab2cb61524ecd714 [2019-11-27 17:47:17,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:17,023 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:17,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:17,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:17,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:17,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7241e323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17, skipping insertion in model container [2019-11-27 17:47:17,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:17,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:17,641 WARN L1483 CHandler]: Possible shadowing of function min [2019-11-27 17:47:17,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:17,830 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-27 17:47:17,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a3dc7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17, skipping insertion in model container [2019-11-27 17:47:17,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:17,835 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-27 17:47:17,843 INFO L168 Benchmark]: Toolchain (without parser) took 817.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:17,847 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:17,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:17,857 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 807.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 23]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:47:21,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:21,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:21,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:21,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:21,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:21,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:21,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:21,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:21,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:21,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:21,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:21,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:21,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:21,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:21,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:21,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:21,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:21,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:21,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:21,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:21,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:21,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:21,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:21,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:21,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:21,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:21,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:21,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:21,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:21,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:21,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:21,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:21,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:21,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:21,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:21,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:21,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:21,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:21,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:21,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:21,831 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 17:47:21,872 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:21,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:21,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:21,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:21,883 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:21,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:21,883 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:21,884 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:21,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:21,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:21,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:21,886 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:21,886 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:21,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:21,890 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:21,890 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:47:21,890 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:47:21,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:21,891 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:21,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:21,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:21,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:21,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:21,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:21,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:21,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:21,895 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:47:21,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:47:21,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:47:21,897 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-memcleanup) ) 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 -> 9186562caa2aa3b429c14af504cbc4d63c10baa7 [2019-11-27 17:47:22,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:22,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:22,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:22,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:22,497 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:22,498 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_iter.c [2019-11-27 17:47:22,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02513f570/de5bfb610fdc4afa95049bc3a040ec26/FLAGc3ceb2b42 [2019-11-27 17:47:23,749 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:23,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_iter.c [2019-11-27 17:47:23,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02513f570/de5bfb610fdc4afa95049bc3a040ec26/FLAGc3ceb2b42 [2019-11-27 17:47:23,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02513f570/de5bfb610fdc4afa95049bc3a040ec26 [2019-11-27 17:47:23,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:23,807 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:23,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:23,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:23,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:23,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:23" (1/1) ... [2019-11-27 17:47:23,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611e8f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:23, skipping insertion in model container [2019-11-27 17:47:23,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:23" (1/1) ... [2019-11-27 17:47:23,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:23,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:24,378 WARN L1483 CHandler]: Possible shadowing of function min [2019-11-27 17:47:24,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:24,577 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-27 17:47:24,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:24,637 WARN L1483 CHandler]: Possible shadowing of function min [2019-11-27 17:47:24,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:24,696 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:24,754 WARN L1483 CHandler]: Possible shadowing of function min [2019-11-27 17:47:24,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:24,846 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:24,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24 WrapperNode [2019-11-27 17:47:24,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:24,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:24,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:24,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:24,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:24,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:24,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:24,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:24,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:25,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:25,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:25,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:25,046 INFO L168 Benchmark]: Toolchain (without parser) took 1235.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.6 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:25,047 INFO L168 Benchmark]: CDTParser took 1.02 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:25,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1031.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.6 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:25,052 INFO L168 Benchmark]: Boogie Preprocessor took 191.01 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:25,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1031.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.6 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 191.01 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...