./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c39ea866ecd4619e97b65a7639eefeeaf4c0097 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c39ea866ecd4619e97b65a7639eefeeaf4c0097 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:05:10,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:05:10,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:05:10,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:05:10,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:05:10,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:05:10,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:05:10,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:05:10,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:05:10,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:05:10,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:05:10,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:05:10,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:05:10,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:05:10,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:05:10,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:05:10,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:05:10,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:05:10,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:05:10,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:05:10,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:05:10,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:05:10,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:05:10,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:05:10,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:05:10,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:05:10,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:05:10,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:05:10,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:05:10,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:05:10,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:05:10,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:05:10,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:05:10,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:05:10,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:05:10,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:05:10,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:05:10,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:05:10,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:05:10,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:05:10,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:05:10,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:05:10,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:05:10,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:05:10,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:05:10,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:05:10,529 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:05:10,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:05:10,530 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:05:10,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:05:10,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:05:10,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:05:10,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:05:10,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:05:10,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:05:10,535 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:05:10,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:05:10,538 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:05:10,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:05:10,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:05:10,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:05:10,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:05:10,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:05:10,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:05:10,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:05:10,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:05:10,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:05:10,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:05:10,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:05:10,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:05:10,545 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 ! call(__VERIFIER_error())) ) 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 -> 7c39ea866ecd4619e97b65a7639eefeeaf4c0097 [2019-11-25 23:05:11,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:05:11,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:05:11,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:05:11,158 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:05:11,158 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:05:11,160 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2019-11-25 23:05:11,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/517a61669/d969c916e54d4f298e43f6fefc43d57c/FLAGdb1498001 [2019-11-25 23:05:12,456 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:05:12,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2019-11-25 23:05:12,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/517a61669/d969c916e54d4f298e43f6fefc43d57c/FLAGdb1498001 [2019-11-25 23:05:12,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/517a61669/d969c916e54d4f298e43f6fefc43d57c [2019-11-25 23:05:12,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:05:12,946 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:05:12,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:12,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:05:12,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:05:12,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:12" (1/1) ... [2019-11-25 23:05:12,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fa4df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:12, skipping insertion in model container [2019-11-25 23:05:12,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:12" (1/1) ... [2019-11-25 23:05:12,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:05:13,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:05:14,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:14,272 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:05:14,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:14,679 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:05:14,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:14 WrapperNode [2019-11-25 23:05:14,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:14,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:14,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:05:14,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:05:14,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:14" (1/1) ... [2019-11-25 23:05:14,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:14" (1/1) ... [2019-11-25 23:05:14,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:14,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:05:14,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:05:14,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:05:14,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:14" (1/1) ... [2019-11-25 23:05:14,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:14" (1/1) ... [2019-11-25 23:05:14,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:14" (1/1) ... [2019-11-25 23:05:14,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:14" (1/1) ... [2019-11-25 23:05:14,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:14" (1/1) ... [2019-11-25 23:05:14,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:14" (1/1) ... [2019-11-25 23:05:14,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:14" (1/1) ... [2019-11-25 23:05:15,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:05:15,026 INFO L168 Benchmark]: Toolchain (without parser) took 2074.26 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 950.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:15,031 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-25 23:05:15,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1726.07 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 962.3 MB in the end (delta: -580.5 kB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:15,037 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.65 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 956.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:15,040 INFO L168 Benchmark]: Boogie Preprocessor took 168.35 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 950.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:15,048 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 1726.07 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 962.3 MB in the end (delta: -580.5 kB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 166.65 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 956.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 168.35 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 950.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:05:18,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:05:18,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:05:18,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:05:18,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:05:18,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:05:18,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:05:18,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:05:18,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:05:18,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:05:18,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:05:18,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:05:18,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:05:18,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:05:18,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:05:18,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:05:18,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:05:18,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:05:18,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:05:18,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:05:18,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:05:18,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:05:18,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:05:18,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:05:18,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:05:18,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:05:18,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:05:18,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:05:18,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:05:18,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:05:18,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:05:18,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:05:18,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:05:18,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:05:18,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:05:18,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:05:18,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:05:18,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:05:18,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:05:18,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:05:18,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:05:18,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:05:18,933 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:05:18,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:05:18,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:05:18,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:05:18,942 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:05:18,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:05:18,942 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:05:18,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:05:18,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:05:18,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:05:18,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:05:18,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:05:18,946 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:05:18,947 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:05:18,947 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:05:18,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:05:18,950 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:05:18,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:05:18,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:05:18,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:05:18,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:05:18,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:05:18,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:05:18,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:05:18,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:05:18,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:05:18,955 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:05:18,956 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:05:18,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:05:18,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:05:18,958 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 ! call(__VERIFIER_error())) ) 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 -> 7c39ea866ecd4619e97b65a7639eefeeaf4c0097 [2019-11-25 23:05:19,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:05:19,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:05:19,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:05:19,640 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:05:19,641 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:05:19,644 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2019-11-25 23:05:19,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4703aa28/96ca67766bac4eaeb00c56ff8d58caec/FLAGd37a0f659 [2019-11-25 23:05:21,114 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:05:21,117 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2019-11-25 23:05:21,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4703aa28/96ca67766bac4eaeb00c56ff8d58caec/FLAGd37a0f659 [2019-11-25 23:05:21,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4703aa28/96ca67766bac4eaeb00c56ff8d58caec [2019-11-25 23:05:21,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:05:21,215 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:05:21,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:21,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:05:21,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:05:21,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:21" (1/1) ... [2019-11-25 23:05:21,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:21, skipping insertion in model container [2019-11-25 23:05:21,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:21" (1/1) ... [2019-11-25 23:05:21,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:05:21,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:05:22,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:22,642 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:05:22,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:23,079 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:05:23,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:23 WrapperNode [2019-11-25 23:05:23,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:23,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:23,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:05:23,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:05:23,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:23" (1/1) ... [2019-11-25 23:05:23,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:23" (1/1) ... [2019-11-25 23:05:23,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:23,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:05:23,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:05:23,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:05:23,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:23" (1/1) ... [2019-11-25 23:05:23,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:23" (1/1) ... [2019-11-25 23:05:23,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:23" (1/1) ... [2019-11-25 23:05:23,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:23" (1/1) ... [2019-11-25 23:05:23,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:23" (1/1) ... [2019-11-25 23:05:23,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:23" (1/1) ... [2019-11-25 23:05:23,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:23" (1/1) ... [2019-11-25 23:05:23,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:05:23,448 INFO L168 Benchmark]: Toolchain (without parser) took 2230.18 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 949.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:23,450 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-25 23:05:23,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1865.19 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 955.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:23,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.16 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 949.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:23,458 INFO L168 Benchmark]: Boogie Preprocessor took 176.19 ms. Allocated memory is still 1.0 GB. Free memory is still 949.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:05:23,466 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1865.19 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 955.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 180.16 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 949.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 176.19 ms. Allocated memory is still 1.0 GB. Free memory is still 949.4 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...