./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-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/list-ext3-properties/sll_shallow_copy-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 86b203c3a804c103d90401bd32cfcff28939b920 ............................................................................................................................. 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/list-ext3-properties/sll_shallow_copy-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 86b203c3a804c103d90401bd32cfcff28939b920 ................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:21:51,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:21:51,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:21:51,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:21:51,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:21:51,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:21:51,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:21:51,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:21:51,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:21:51,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:21:51,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:21:51,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:21:51,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:21:51,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:21:51,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:21:51,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:21:51,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:21:51,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:21:51,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:21:51,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:21:51,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:21:51,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:21:51,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:21:51,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:21:51,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:21:51,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:21:51,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:21:51,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:21:51,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:21:51,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:21:51,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:21:51,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:21:51,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:21:51,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:21:51,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:21:51,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:21:51,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:21:51,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:21:51,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:21:51,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:21:51,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:21:51,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:21:51,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:21:51,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:21:51,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:21:51,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:21:51,576 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:21:51,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:21:51,577 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:21:51,577 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:21:51,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:21:51,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:21:51,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:21:51,578 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:21:51,578 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:21:51,579 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:21:51,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:21:51,579 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:21:51,579 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:21:51,580 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:21:51,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:21:51,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:21:51,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:21:51,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:21:51,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:21:51,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:21:51,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:21:51,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:21:51,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:21:51,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:21:51,583 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 -> 86b203c3a804c103d90401bd32cfcff28939b920 [2020-10-19 18:21:51,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:21:51,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:21:51,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:21:51,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:21:51,931 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:21:51,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2020-10-19 18:21:52,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3cdb9137/4eeaa74900f34d598de94b60d4ab1be2/FLAG4c4ce2e0c [2020-10-19 18:21:52,552 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:21:52,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2020-10-19 18:21:52,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3cdb9137/4eeaa74900f34d598de94b60d4ab1be2/FLAG4c4ce2e0c [2020-10-19 18:21:52,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3cdb9137/4eeaa74900f34d598de94b60d4ab1be2 [2020-10-19 18:21:52,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:21:52,974 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:21:52,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:21:52,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:21:52,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:21:52,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:21:52" (1/1) ... [2020-10-19 18:21:52,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d067e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:52, skipping insertion in model container [2020-10-19 18:21:52,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:21:52" (1/1) ... [2020-10-19 18:21:52,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:21:53,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:21:53,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:21:53,422 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 18:21:53,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@698f2664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:53, skipping insertion in model container [2020-10-19 18:21:53,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:21:53,424 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:21:53,427 INFO L168 Benchmark]: Toolchain (without parser) took 456.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2020-10-19 18:21:53,428 INFO L168 Benchmark]: CDTParser took 0.68 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 18:21:53,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:21:53,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 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 446.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 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: 562]: 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 18:21:55,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:21:55,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:21:55,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:21:55,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:21:55,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:21:55,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:21:55,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:21:55,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:21:55,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:21:55,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:21:55,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:21:55,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:21:55,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:21:55,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:21:55,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:21:55,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:21:55,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:21:55,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:21:55,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:21:55,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:21:55,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:21:55,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:21:55,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:21:55,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:21:55,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:21:55,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:21:55,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:21:55,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:21:55,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:21:55,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:21:55,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:21:55,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:21:55,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:21:55,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:21:55,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:21:55,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:21:55,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:21:55,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:21:55,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:21:55,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:21:55,347 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:21:55,389 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:21:55,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:21:55,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:21:55,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:21:55,392 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:21:55,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:21:55,393 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:21:55,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:21:55,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:21:55,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:21:55,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:21:55,395 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:21:55,395 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:21:55,396 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:21:55,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:21:55,397 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:21:55,397 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:21:55,397 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:21:55,397 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:21:55,398 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:21:55,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:21:55,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:21:55,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:21:55,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:21:55,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:21:55,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:21:55,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:21:55,400 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:21:55,400 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:21:55,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:21:55,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:21:55,401 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 -> 86b203c3a804c103d90401bd32cfcff28939b920 [2020-10-19 18:21:55,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:21:55,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:21:55,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:21:55,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:21:55,721 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:21:55,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2020-10-19 18:21:55,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d6bc28d/847f5635ff3841ca8cb91882149151ea/FLAGd12c1bf76 [2020-10-19 18:21:56,318 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:21:56,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2020-10-19 18:21:56,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d6bc28d/847f5635ff3841ca8cb91882149151ea/FLAGd12c1bf76 [2020-10-19 18:21:56,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d6bc28d/847f5635ff3841ca8cb91882149151ea [2020-10-19 18:21:56,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:21:56,617 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:21:56,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:21:56,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:21:56,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:21:56,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:21:56" (1/1) ... [2020-10-19 18:21:56,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2ef2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:56, skipping insertion in model container [2020-10-19 18:21:56,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:21:56" (1/1) ... [2020-10-19 18:21:56,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:21:56,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:21:57,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:21:57,050 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:21:57,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:21:57,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:21:57,089 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:21:57,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:21:57,187 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:21:57,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:57 WrapperNode [2020-10-19 18:21:57,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:21:57,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:21:57,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:21:57,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:21:57,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:57" (1/1) ... [2020-10-19 18:21:57,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:57" (1/1) ... [2020-10-19 18:21:57,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:57" (1/1) ... [2020-10-19 18:21:57,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:57" (1/1) ... [2020-10-19 18:21:57,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:57" (1/1) ... [2020-10-19 18:21:57,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:57" (1/1) ... [2020-10-19 18:21:57,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:57" (1/1) ... [2020-10-19 18:21:57,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:21:57,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:21:57,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:21:57,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:21:57,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:57" (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 18:21:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:21:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:21:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:21:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:21:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:21:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-19 18:21:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2020-10-19 18:21:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:21:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:21:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:21:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:21:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:21:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:21:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:21:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:21:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:21:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:21:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:21:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:21:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:21:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:21:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:21:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:21:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:21:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:21:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:21:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:21:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:21:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:21:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:21:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:21:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:21:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:21:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:21:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:21:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:21:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:21:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:21:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:21:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:21:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:21:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:21:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:21:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:21:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:21:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:21:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:21:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:21:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:21:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:21:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:21:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:21:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:21:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:21:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:21:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:21:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:21:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:21:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:21:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:21:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:21:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:21:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:21:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:21:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-19 18:21:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:21:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:21:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:21:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:21:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:21:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:21:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:21:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:21:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:21:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:21:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:21:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:21:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:21:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:21:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:21:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:21:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:21:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:21:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:21:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:21:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:21:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:21:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:21:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:21:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:21:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:21:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:21:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:21:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:21:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:21:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:21:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:21:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:21:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:21:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:21:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:21:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:21:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:21:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:21:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:21:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:21:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:21:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:21:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:21:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:21:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:21:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:21:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:21:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-19 18:21:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2020-10-19 18:21:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:21:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:21:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:21:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:21:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:21:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:21:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:21:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:21:57,732 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-19 18:21:57,896 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:21:57,896 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-19 18:21:57,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:21:57 BoogieIcfgContainer [2020-10-19 18:21:57,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:21:57,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:21:57,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:21:57,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:21:57,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:21:56" (1/3) ... [2020-10-19 18:21:57,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a16e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:21:57, skipping insertion in model container [2020-10-19 18:21:57,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:21:57" (2/3) ... [2020-10-19 18:21:57,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a16e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:21:57, skipping insertion in model container [2020-10-19 18:21:57,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:21:57" (3/3) ... [2020-10-19 18:21:57,909 INFO L111 eAbstractionObserver]: Analyzing ICFG sll_shallow_copy-1.i [2020-10-19 18:21:57,921 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:21:57,930 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2020-10-19 18:21:57,945 INFO L253 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2020-10-19 18:21:57,967 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:21:57,967 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:21:57,967 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:21:57,968 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:21:57,968 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:21:57,968 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:21:57,968 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:21:57,968 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:21:57,984 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-10-19 18:21:57,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-19 18:21:57,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:21:57,996 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:21:57,996 INFO L429 AbstractCegarLoop]: === Iteration 1 === [mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr9ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION]=== [2020-10-19 18:21:58,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:21:58,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1901459912, now seen corresponding path program 1 times [2020-10-19 18:21:58,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:21:58,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305973776] [2020-10-19 18:21:58,013 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 18:21:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:21:58,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 18:21:58,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:21:58,347 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-19 18:21:58,348 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:21:58,358 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:21:58,359 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:21:58,359 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:21:58,519 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:21:58,520 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2020-10-19 18:21:58,525 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:21:58,527 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:21:58,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305973776] [2020-10-19 18:21:58,530 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 1) [2020-10-19 18:21:58,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1130750365] [2020-10-19 18:21:58,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-19 18:21:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:21:58,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 18:21:58,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:21:58,732 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-19 18:21:58,733 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:21:58,736 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:21:58,736 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:21:58,737 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:21:58,792 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:21:58,793 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2020-10-19 18:21:58,796 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:21:58,822 INFO L625 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2020-10-19 18:21:58,824 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:21:58,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166949965] [2020-10-19 18:21:58,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:21:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:21:58,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 18:21:58,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:21:58,942 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-19 18:21:58,943 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:21:58,945 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:21:58,946 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:21:58,947 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:21:58,998 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:21:58,999 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2020-10-19 18:21:59,001 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:21:59,025 INFO L625 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2020-10-19 18:21:59,027 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:21:59,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:21:59,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-19 18:21:59,028 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-19 18:21:59,029 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:21:59,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk,2 mathsat -unsat_core_generation=3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:21:59,665 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-19 18:21:59,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:21:59 BoogieIcfgContainer [2020-10-19 18:21:59,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:21:59,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:21:59,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:21:59,668 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:21:59,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:21:57" (3/4) ... [2020-10-19 18:21:59,673 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:21:59,673 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:21:59,677 INFO L168 Benchmark]: Toolchain (without parser) took 3064.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 953.2 MB in the beginning and 934.6 MB in the end (delta: 18.7 MB). Peak memory consumption was 160.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:21:59,678 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:21:59,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:21:59,680 INFO L168 Benchmark]: Boogie Preprocessor took 64.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:21:59,681 INFO L168 Benchmark]: RCFGBuilder took 642.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:21:59,683 INFO L168 Benchmark]: TraceAbstraction took 1765.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.6 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:21:59,688 INFO L168 Benchmark]: Witness Printer took 5.94 ms. Allocated memory is still 1.2 GB. Free memory is still 934.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:21:59,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 573.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 642.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1765.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.6 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.94 ms. Allocated memory is still 1.2 GB. Free memory is still 934.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 570]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L569] CALL, EXPR alloc_node() [L562] struct node* temp = (struct node*) malloc(sizeof(struct node)); [L563] COND FALSE !(((void *)0) == temp) [L566] return temp; [L569] RET, EXPR alloc_node() [L569] struct node* s = alloc_node(); [L570] CALL, EXPR alloc_node() [L562] struct node* temp = (struct node*) malloc(sizeof(struct node)); [L563] COND FALSE !(((void *)0) == temp) [L566] return temp; [L570] RET, EXPR alloc_node() [L570] s->next = alloc_node() - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 61 locations, 15 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 2, 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=48occurred 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: No data available, 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...