./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/string_concat-noarr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-invgen/string_concat-noarr.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 9f3cf63c7adaf3e2c576343bf7deb0d4236e103c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-invgen/string_concat-noarr.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 9f3cf63c7adaf3e2c576343bf7deb0d4236e103c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:13:33,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:33,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:33,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:33,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:33,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:33,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:33,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:33,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:33,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:33,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:33,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:33,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:33,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:33,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:33,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:33,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:33,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:33,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:33,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:33,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:33,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:33,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:33,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:33,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:33,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:33,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:33,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:33,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:33,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:33,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:33,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:33,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:33,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:33,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:33,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:33,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:33,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:33,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:33,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:33,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:33,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:33,451 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:33,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:33,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:33,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:33,457 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:33,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:33,458 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:33,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:33,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:33,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:33,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:33,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:33,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:33,464 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:33,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:33,465 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:33,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:33,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:33,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:33,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:33,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:33,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:33,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:33,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:33,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:33,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:33,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:33,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:33,472 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 -> 9f3cf63c7adaf3e2c576343bf7deb0d4236e103c [2019-11-27 16:13:34,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:34,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:34,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:34,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:34,057 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:34,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-27 16:13:34,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fc53d54/5ef7c4888f6747ccb9d57e6cd6558a3e/FLAG65c88b82f [2019-11-27 16:13:35,268 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:35,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-27 16:13:35,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fc53d54/5ef7c4888f6747ccb9d57e6cd6558a3e/FLAG65c88b82f [2019-11-27 16:13:35,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fc53d54/5ef7c4888f6747ccb9d57e6cd6558a3e [2019-11-27 16:13:35,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:35,336 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:35,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:35,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:35,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:35,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:35,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d549e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35, skipping insertion in model container [2019-11-27 16:13:35,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:35,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:35,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:35,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:35,875 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:35,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:35,956 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:35,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35 WrapperNode [2019-11-27 16:13:35,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:35,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:35,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:35,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:35,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:35,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:36,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:36,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:36,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:36,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:36,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:36,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:36,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:36,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:36,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:36,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:36,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:36,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:36,191 INFO L168 Benchmark]: Toolchain (without parser) took 852.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:36,193 INFO L168 Benchmark]: CDTParser took 2.54 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:36,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.91 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:36,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:36,216 INFO L168 Benchmark]: Boogie Preprocessor took 61.55 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:36,227 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.54 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 617.91 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 163.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.55 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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 0.1.24-509859d [2019-11-27 16:13:39,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:39,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:40,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:40,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:40,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:40,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:40,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:40,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:40,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:40,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:40,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:40,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:40,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:40,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:40,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:40,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:40,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:40,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:40,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:40,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:40,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:40,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:40,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:40,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:40,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:40,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:40,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:40,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:40,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:40,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:40,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:40,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:40,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:40,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:40,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:40,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:40,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:40,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:40,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:40,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:40,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:40,202 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:40,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:40,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:40,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:40,212 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:40,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:40,213 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:40,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:40,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:40,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:40,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:40,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:40,215 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:40,217 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:40,217 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:40,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:40,218 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:40,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:40,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:40,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:40,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:40,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:40,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:40,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:40,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:40,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:40,224 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:40,224 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:40,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:40,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:40,227 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 -> 9f3cf63c7adaf3e2c576343bf7deb0d4236e103c [2019-11-27 16:13:40,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:40,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:40,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:40,869 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:40,872 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:40,874 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-27 16:13:41,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a08c334/fcc87f971d5f409c8e6bf97948d6448a/FLAG926ab04e3 [2019-11-27 16:13:42,038 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:42,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-27 16:13:42,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a08c334/fcc87f971d5f409c8e6bf97948d6448a/FLAG926ab04e3 [2019-11-27 16:13:42,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a08c334/fcc87f971d5f409c8e6bf97948d6448a [2019-11-27 16:13:42,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:42,238 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:42,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:42,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:42,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:42,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:42" (1/1) ... [2019-11-27 16:13:42,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3a7aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:42, skipping insertion in model container [2019-11-27 16:13:42,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:42" (1/1) ... [2019-11-27 16:13:42,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:42,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:42,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:42,792 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:42,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:42,872 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:42,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:42 WrapperNode [2019-11-27 16:13:42,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:42,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:42,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:42,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:42,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:42" (1/1) ... [2019-11-27 16:13:43,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:42" (1/1) ... [2019-11-27 16:13:43,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:43,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:43,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:43,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:43,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:42" (1/1) ... [2019-11-27 16:13:43,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:42" (1/1) ... [2019-11-27 16:13:43,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:42" (1/1) ... [2019-11-27 16:13:43,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:42" (1/1) ... [2019-11-27 16:13:43,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:42" (1/1) ... [2019-11-27 16:13:43,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:42" (1/1) ... [2019-11-27 16:13:43,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:42" (1/1) ... [2019-11-27 16:13:43,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:43,145 INFO L168 Benchmark]: Toolchain (without parser) took 909.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:43,148 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:43,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.47 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:43,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:43,156 INFO L168 Benchmark]: Boogie Preprocessor took 76.22 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. [2019-11-27 16:13:43,167 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 637.47 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 185.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 76.22 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...