./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/verifythis/tree_del_rec.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_rec.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 42b3e156f78fe4fcf6b35cfd49f93ee3220cf061 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_rec.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 42b3e156f78fe4fcf6b35cfd49f93ee3220cf061 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:47:14,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:14,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:14,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:14,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:14,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:14,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:14,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:14,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:14,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:14,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:14,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:14,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:14,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:14,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:14,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:14,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:14,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:14,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:14,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:14,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:15,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:15,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:15,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:15,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:15,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:15,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:15,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:15,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:15,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:15,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:15,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:15,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:15,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:15,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:15,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:15,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:15,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:15,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:15,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:15,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:15,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 17:47:15,103 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:15,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:15,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:15,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:15,114 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:15,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:15,117 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:15,117 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:15,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:15,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:15,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:15,118 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:15,118 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:15,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:15,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:15,120 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:15,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:15,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:15,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:15,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:15,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:15,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:15,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:15,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:15,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:47:15,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:47:15,128 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 -> 42b3e156f78fe4fcf6b35cfd49f93ee3220cf061 [2019-11-27 17:47:15,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:15,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:15,643 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:15,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:15,650 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:15,651 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_rec.c [2019-11-27 17:47:15,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa5c5e947/7c86d5a663c3493a9468bcca5d677523/FLAG26b26c8d1 [2019-11-27 17:47:16,925 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:16,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_rec.c [2019-11-27 17:47:16,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa5c5e947/7c86d5a663c3493a9468bcca5d677523/FLAG26b26c8d1 [2019-11-27 17:47:16,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa5c5e947/7c86d5a663c3493a9468bcca5d677523 [2019-11-27 17:47:17,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:17,002 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:17,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:17,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:17,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:17,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:16" (1/1) ... [2019-11-27 17:47:17,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8bcb05 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 17:47:17,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:16" (1/1) ... [2019-11-27 17:47:17,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:17,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:17,521 WARN L1483 CHandler]: Possible shadowing of function min [2019-11-27 17:47:17,527 WARN L1483 CHandler]: Possible shadowing of function min [2019-11-27 17:47:17,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:17,714 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 17:47:17,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d9b06bb 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 17:47:17,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:17,720 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-27 17:47:17,727 INFO L168 Benchmark]: Toolchain (without parser) took 719.92 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:17,730 INFO L168 Benchmark]: CDTParser took 1.94 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 17:47:17,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.62 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:17,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.94 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 710.62 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.7 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 17:47:21,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:21,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:21,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:21,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:21,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:21,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:21,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:21,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:21,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:21,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:21,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:21,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:21,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:21,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:21,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:21,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:21,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:21,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:21,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:21,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:21,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:21,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:21,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:21,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:21,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:21,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:21,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:21,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:21,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:21,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:21,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:21,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:21,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:21,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:21,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:21,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:21,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:21,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:21,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:21,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:21,663 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 17:47:21,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:21,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:21,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:21,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:21,709 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:21,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:21,710 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:21,710 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:21,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:21,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:21,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:21,713 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:21,716 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:21,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:21,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:21,717 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:47:21,718 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:47:21,718 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:21,718 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:21,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:21,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:21,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:21,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:21,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:21,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:21,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:21,723 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:47:21,724 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:47:21,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:47:21,724 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 -> 42b3e156f78fe4fcf6b35cfd49f93ee3220cf061 [2019-11-27 17:47:22,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:22,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:22,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:22,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:22,359 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:22,362 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_rec.c [2019-11-27 17:47:22,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787e14c2a/46fa9aabc97344398b62e7117ebaa6fa/FLAG287641f7c [2019-11-27 17:47:23,573 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:23,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_rec.c [2019-11-27 17:47:23,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787e14c2a/46fa9aabc97344398b62e7117ebaa6fa/FLAG287641f7c [2019-11-27 17:47:23,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787e14c2a/46fa9aabc97344398b62e7117ebaa6fa [2019-11-27 17:47:23,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:23,714 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:23,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:23,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:23,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:23,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:23" (1/1) ... [2019-11-27 17:47:23,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70002f10 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 17:47:23,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:23" (1/1) ... [2019-11-27 17:47:23,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:23,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:24,241 WARN L1483 CHandler]: Possible shadowing of function min [2019-11-27 17:47:24,251 WARN L1483 CHandler]: Possible shadowing of function min [2019-11-27 17:47:24,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:24,438 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-27 17:47:24,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:24,482 WARN L1483 CHandler]: Possible shadowing of function min [2019-11-27 17:47:24,484 WARN L1483 CHandler]: Possible shadowing of function min [2019-11-27 17:47:24,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:24,567 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:24,613 WARN L1483 CHandler]: Possible shadowing of function min [2019-11-27 17:47:24,618 WARN L1483 CHandler]: Possible shadowing of function min [2019-11-27 17:47:24,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:24,734 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:24,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24 WrapperNode [2019-11-27 17:47:24,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:24,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:24,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:24,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:24,759 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 17:47:24,760 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 17:47:24,806 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 17:47:24,807 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 17:47:24,859 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 17:47:24,875 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 17:47:24,882 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 17:47:24,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:24,899 INFO L168 Benchmark]: Toolchain (without parser) took 1182.88 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 984.3 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:24,901 INFO L168 Benchmark]: CDTParser took 1.31 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 17:47:24,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1016.56 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 985.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:24,919 INFO L168 Benchmark]: Boogie Preprocessor took 158.39 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 984.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:24,927 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 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 1016.56 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 985.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 158.39 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 984.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...