./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 025d5a27 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/termination-crafted/McCarthy91_Iteration.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash f36e762e796a59800b85d8514c20c7f73c19b5c1 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/termination-crafted/McCarthy91_Iteration.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash f36e762e796a59800b85d8514c20c7f73c19b5c1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:58:58,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:58,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:58,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:58,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:58,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:58,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:58,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:58,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:58,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:58,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:58,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:58,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:58,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:58,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:58,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:58,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:58,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:58,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:58,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:58,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:58,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:58,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:58,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:58,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:58,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:58,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:58,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:58,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:58,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:58,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:58,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:58,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:58,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:58,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:58,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:58,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:58,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:58,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:58,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:58,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:58,386 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 17:58:58,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:58,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:58,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:58,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:58,419 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:58,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:58,421 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:58,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:58,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:58,422 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:58,422 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:58,423 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:58,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:58,424 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:58,424 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:58,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:58,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:58,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:58,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:58,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:58,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:58,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:58,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:58:58,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:58:58,429 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36e762e796a59800b85d8514c20c7f73c19b5c1 [2019-11-26 17:58:58,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:58,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:58,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:58,924 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:58,925 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:58,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-26 17:58:59,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc2c51576/6fbde5e3aff74c15991ae4dc8eeac175/FLAGc6ad1701d [2019-11-26 17:58:59,726 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:59,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-26 17:58:59,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc2c51576/6fbde5e3aff74c15991ae4dc8eeac175/FLAGc6ad1701d [2019-11-26 17:59:00,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc2c51576/6fbde5e3aff74c15991ae4dc8eeac175 [2019-11-26 17:59:00,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:00,061 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:00,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:00,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:00,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:00,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:00" (1/1) ... [2019-11-26 17:59:00,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f858ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:00, skipping insertion in model container [2019-11-26 17:59:00,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:00" (1/1) ... [2019-11-26 17:59:00,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:00,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:00,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:00,440 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:59:00,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:00,491 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:59:00,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:00 WrapperNode [2019-11-26 17:59:00,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:00,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:59:00,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:59:00,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:59:00,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:00" (1/1) ... [2019-11-26 17:59:00,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:00" (1/1) ... [2019-11-26 17:59:00,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:00" (1/1) ... [2019-11-26 17:59:00,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:00" (1/1) ... [2019-11-26 17:59:00,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:00" (1/1) ... [2019-11-26 17:59:00,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:00" (1/1) ... [2019-11-26 17:59:00,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:00" (1/1) ... [2019-11-26 17:59:00,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:59:00,607 INFO L168 Benchmark]: Toolchain (without parser) took 541.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:00,611 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:59:00,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.25 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:00,615 INFO L168 Benchmark]: Boogie Preprocessor took 107.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:00,623 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 427.25 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 107.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 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 0.1.24-025d5a2 [2019-11-26 17:59:03,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:03,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:03,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:03,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:03,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:03,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:03,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:03,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:03,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:03,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:03,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:03,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:03,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:03,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:03,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:03,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:03,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:03,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:03,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:03,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:03,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:03,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:03,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:03,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:03,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:03,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:03,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:03,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:03,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:03,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:03,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:03,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:03,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:03,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:03,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:03,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:03,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:03,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:03,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:03,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:03,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 17:59:03,480 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:03,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:03,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:03,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:03,486 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:03,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:03,487 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:03,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:03,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:03,487 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:03,490 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:03,490 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:03,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:03,490 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:03,491 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:59:03,494 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:59:03,494 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:03,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:03,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:03,495 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:03,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:03,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:03,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:03,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:03,496 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:59:03,496 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:59:03,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:59:03,496 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36e762e796a59800b85d8514c20c7f73c19b5c1 [2019-11-26 17:59:03,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:04,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:04,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:04,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:04,010 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:04,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-26 17:59:04,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747074b41/5700c5cd19dc466d9419ff47d33ab051/FLAG67fed3d5f [2019-11-26 17:59:04,802 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:04,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-26 17:59:04,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747074b41/5700c5cd19dc466d9419ff47d33ab051/FLAG67fed3d5f [2019-11-26 17:59:05,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747074b41/5700c5cd19dc466d9419ff47d33ab051 [2019-11-26 17:59:05,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:05,153 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:05,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:05,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:05,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:05,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:05" (1/1) ... [2019-11-26 17:59:05,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f858ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:05, skipping insertion in model container [2019-11-26 17:59:05,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:05" (1/1) ... [2019-11-26 17:59:05,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:05,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:05,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:05,498 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:59:05,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:05,525 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:59:05,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:05 WrapperNode [2019-11-26 17:59:05,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:05,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:59:05,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:59:05,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:59:05,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:05" (1/1) ... [2019-11-26 17:59:05,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:05" (1/1) ... [2019-11-26 17:59:05,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:05" (1/1) ... [2019-11-26 17:59:05,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:05" (1/1) ... [2019-11-26 17:59:05,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:05" (1/1) ... [2019-11-26 17:59:05,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:05" (1/1) ... [2019-11-26 17:59:05,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:05" (1/1) ... [2019-11-26 17:59:05,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:59:05,632 INFO L168 Benchmark]: Toolchain (without parser) took 473.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.1 MB in the end (delta: -36.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:05,634 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-11-26 17:59:05,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.52 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:05,636 INFO L168 Benchmark]: Boogie Preprocessor took 96.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:05,641 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 369.52 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 96.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...