./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 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/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 0.1.24-32f2683 [2019-11-24 21:10:28,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:28,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:28,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:28,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:28,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:28,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:28,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:28,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:28,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:28,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:28,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:28,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:28,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:28,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:28,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:28,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:28,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:28,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:28,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:28,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:28,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:28,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:28,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:28,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:28,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:28,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:28,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:28,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:28,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:28,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:28,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:28,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:28,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:28,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:28,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:28,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:28,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:28,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:28,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:28,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:28,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:10:28,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:28,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:28,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:28,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:28,573 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:28,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:28,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:28,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:10:28,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:28,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:28,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:28,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:28,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:28,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:28,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:28,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:28,582 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:28,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:28,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:28,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:28,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:28,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:28,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:28,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:28,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:28,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:28,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:10:28,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:10:28,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:28,589 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 [2019-11-24 21:10:29,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:29,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:29,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:29,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:29,205 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:29,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-24 21:10:29,370 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8fa6748/3d878d2258cc48ea8b50379874e39450/FLAGc0e51597e [2019-11-24 21:10:30,360 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:30,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-24 21:10:30,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8fa6748/3d878d2258cc48ea8b50379874e39450/FLAGc0e51597e [2019-11-24 21:10:30,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8fa6748/3d878d2258cc48ea8b50379874e39450 [2019-11-24 21:10:30,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:30,428 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:30,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:30,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:30,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:30,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:30" (1/1) ... [2019-11-24 21:10:30,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d465a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:30, skipping insertion in model container [2019-11-24 21:10:30,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:30" (1/1) ... [2019-11-24 21:10:30,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:30,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:30,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:30,967 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:31,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:31,021 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:31,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:31 WrapperNode [2019-11-24 21:10:31,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:31,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:31,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:31,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:31,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:31" (1/1) ... [2019-11-24 21:10:31,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:31" (1/1) ... [2019-11-24 21:10:31,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:31,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:31,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:31,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:31,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:31" (1/1) ... [2019-11-24 21:10:31,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:31" (1/1) ... [2019-11-24 21:10:31,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:31" (1/1) ... [2019-11-24 21:10:31,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:31" (1/1) ... [2019-11-24 21:10:31,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:31" (1/1) ... [2019-11-24 21:10:31,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:31" (1/1) ... [2019-11-24 21:10:31,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:31" (1/1) ... [2019-11-24 21:10:31,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:31,268 INFO L168 Benchmark]: Toolchain (without parser) took 831.00 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:31,272 INFO L168 Benchmark]: CDTParser took 3.20 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 21:10:31,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.25 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 21:10:31,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.94 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 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:31,283 INFO L168 Benchmark]: Boogie Preprocessor took 66.30 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. [2019-11-24 21:10:31,294 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.20 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 587.25 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 159.94 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 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 66.30 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 0.1.24-32f2683 [2019-11-24 21:10:35,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:35,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:35,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:35,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:35,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:35,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:35,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:35,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:35,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:35,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:35,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:35,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:35,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:35,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:35,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:35,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:35,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:35,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:35,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:35,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:35,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:35,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:35,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:35,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:35,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:35,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:35,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:35,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:35,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:35,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:35,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:35,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:35,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:35,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:35,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:35,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:35,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:35,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:35,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:35,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:35,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:10:35,348 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:35,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:35,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:35,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:35,355 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:35,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:35,355 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:35,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:35,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:35,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:35,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:35,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:35,360 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:35,361 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:10:35,361 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:10:35,363 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:35,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:35,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:35,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:35,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:35,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:35,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:35,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:35,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:35,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:35,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:35,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:35,368 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:10:35,370 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:10:35,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:35,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:10:35,372 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 [2019-11-24 21:10:35,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:35,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:35,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:35,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:36,002 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:36,003 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-24 21:10:36,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/523d5c501/ad58ba60423146669fab56c4b82bdb71/FLAG16ef88e2d [2019-11-24 21:10:37,140 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:37,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-24 21:10:37,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/523d5c501/ad58ba60423146669fab56c4b82bdb71/FLAG16ef88e2d [2019-11-24 21:10:37,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/523d5c501/ad58ba60423146669fab56c4b82bdb71 [2019-11-24 21:10:37,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:37,367 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:37,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:37,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:37,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:37,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:37" (1/1) ... [2019-11-24 21:10:37,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451439b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:37, skipping insertion in model container [2019-11-24 21:10:37,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:37" (1/1) ... [2019-11-24 21:10:37,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:37,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:37,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:37,861 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:37,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:37,938 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:37,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:37 WrapperNode [2019-11-24 21:10:37,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:37,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:37,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:37,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:37,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:37" (1/1) ... [2019-11-24 21:10:38,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:37" (1/1) ... [2019-11-24 21:10:38,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:38,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:38,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:38,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:38,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:37" (1/1) ... [2019-11-24 21:10:38,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:37" (1/1) ... [2019-11-24 21:10:38,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:37" (1/1) ... [2019-11-24 21:10:38,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:37" (1/1) ... [2019-11-24 21:10:38,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:37" (1/1) ... [2019-11-24 21:10:38,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:37" (1/1) ... [2019-11-24 21:10:38,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:37" (1/1) ... [2019-11-24 21:10:38,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:38,182 INFO L168 Benchmark]: Toolchain (without parser) took 816.41 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 21:10:38,184 INFO L168 Benchmark]: CDTParser took 2.91 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 21:10:38,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.97 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 21:10:38,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.16 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 991.3 MB in the end (delta: -35.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:38,189 INFO L168 Benchmark]: Boogie Preprocessor took 63.28 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:38,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.91 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 570.97 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 166.16 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 991.3 MB in the end (delta: -35.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.28 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...