./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/loops/invert_string-3.c -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 ac7c62eef1736762a9ed0f43546ad9c2b468346f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/loops/invert_string-3.c -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 ac7c62eef1736762a9ed0f43546ad9c2b468346f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:09:23,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:23,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:23,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:23,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:23,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:23,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:23,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:23,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:23,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:23,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:23,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:23,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:23,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:23,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:23,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:23,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:23,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:23,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:23,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:23,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:23,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:23,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:23,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:23,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:23,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:23,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:23,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:23,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:23,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:23,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:23,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:23,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:23,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:23,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:23,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:23,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:23,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:23,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:23,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:23,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:23,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:09:23,341 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:23,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:23,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:23,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:23,348 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:23,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:23,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:23,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:09:23,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:23,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:23,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:23,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:23,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:23,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:23,357 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:23,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:23,357 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:23,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:23,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:23,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:23,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:23,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:23,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:23,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:23,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:23,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:23,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:09:23,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:09:23,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:23,366 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 -> ac7c62eef1736762a9ed0f43546ad9c2b468346f [2019-11-24 21:09:24,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:24,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:24,094 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:24,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:24,100 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:24,101 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-3.c [2019-11-24 21:09:24,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3209f286b/83903dfe46024b578e1895f7553c0825/FLAG84dfb3bed [2019-11-24 21:09:25,307 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:25,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c [2019-11-24 21:09:25,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3209f286b/83903dfe46024b578e1895f7553c0825/FLAG84dfb3bed [2019-11-24 21:09:25,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3209f286b/83903dfe46024b578e1895f7553c0825 [2019-11-24 21:09:25,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:25,376 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:25,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:25,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:25,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:25,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:25" (1/1) ... [2019-11-24 21:09:25,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:25, skipping insertion in model container [2019-11-24 21:09:25,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:25" (1/1) ... [2019-11-24 21:09:25,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:25,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:25,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:25,953 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:26,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:26,191 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:26,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:26 WrapperNode [2019-11-24 21:09:26,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:26,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:26,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:26,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:26,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:26" (1/1) ... [2019-11-24 21:09:26,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:26" (1/1) ... [2019-11-24 21:09:26,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:26,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:26,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:26,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:26,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:26" (1/1) ... [2019-11-24 21:09:26,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:26" (1/1) ... [2019-11-24 21:09:26,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:26" (1/1) ... [2019-11-24 21:09:26,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:26" (1/1) ... [2019-11-24 21:09:26,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:26" (1/1) ... [2019-11-24 21:09:26,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:26" (1/1) ... [2019-11-24 21:09:26,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:26" (1/1) ... [2019-11-24 21:09:26,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:26,385 INFO L168 Benchmark]: Toolchain (without parser) took 991.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:26,386 INFO L168 Benchmark]: CDTParser took 2.00 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:26,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:26,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.55 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:26,400 INFO L168 Benchmark]: Boogie Preprocessor took 71.35 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:26,410 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.00 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 813.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 98.55 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.35 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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 0.1.24-32f2683 [2019-11-24 21:09:30,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:30,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:30,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:30,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:30,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:30,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:30,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:30,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:30,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:30,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:30,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:30,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:30,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:30,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:30,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:30,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:30,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:30,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:30,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:30,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:30,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:30,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:30,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:30,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:30,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:30,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:30,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:30,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:30,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:30,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:30,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:30,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:30,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:30,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:30,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:30,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:30,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:30,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:30,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:30,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:30,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:09:30,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:30,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:30,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:30,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:30,574 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:30,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:30,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:30,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:30,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:30,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:30,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:30,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:30,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:30,580 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:09:30,582 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:09:30,582 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:30,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:30,585 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:30,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:30,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:30,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:30,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:30,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:30,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:30,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:30,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:30,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:30,591 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:09:30,592 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:09:30,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:30,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:09:30,594 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 -> ac7c62eef1736762a9ed0f43546ad9c2b468346f [2019-11-24 21:09:31,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:31,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:31,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:31,197 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:31,198 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:31,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-3.c [2019-11-24 21:09:31,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9f5b2a8/7506621120d541d9a273f695acec8132/FLAG98d026557 [2019-11-24 21:09:32,309 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:32,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c [2019-11-24 21:09:32,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9f5b2a8/7506621120d541d9a273f695acec8132/FLAG98d026557 [2019-11-24 21:09:32,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9f5b2a8/7506621120d541d9a273f695acec8132 [2019-11-24 21:09:32,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:32,526 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:32,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:32,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:32,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:32,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:32" (1/1) ... [2019-11-24 21:09:32,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:32, skipping insertion in model container [2019-11-24 21:09:32,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:32" (1/1) ... [2019-11-24 21:09:32,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:32,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:33,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:33,082 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:33,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:33,197 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:33,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:33 WrapperNode [2019-11-24 21:09:33,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:33,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:33,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:33,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:33,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:33" (1/1) ... [2019-11-24 21:09:33,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:33" (1/1) ... [2019-11-24 21:09:33,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:33,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:33,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:33,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:33,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:33" (1/1) ... [2019-11-24 21:09:33,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:33" (1/1) ... [2019-11-24 21:09:33,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:33" (1/1) ... [2019-11-24 21:09:33,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:33" (1/1) ... [2019-11-24 21:09:33,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:33" (1/1) ... [2019-11-24 21:09:33,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:33" (1/1) ... [2019-11-24 21:09:33,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:33" (1/1) ... [2019-11-24 21:09:33,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:33,454 INFO L168 Benchmark]: Toolchain (without parser) took 919.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:33,455 INFO L168 Benchmark]: CDTParser took 2.44 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:33,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.27 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:33,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:33,464 INFO L168 Benchmark]: Boogie Preprocessor took 87.11 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:33,482 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.44 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 658.27 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 156.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.11 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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...