./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 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 0.1.24-65d6cd2 [2019-11-25 22:56:40,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:40,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:40,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:40,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:40,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:40,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:40,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:40,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:40,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:40,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:40,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:40,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:40,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:40,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:40,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:40,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:40,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:40,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:40,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:40,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:40,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:40,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:40,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:40,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:40,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:40,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:40,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:40,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:40,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:40,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:40,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:40,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:40,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:40,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:40,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:40,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:40,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:40,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:40,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:40,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:40,699 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:56:40,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:40,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:40,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:40,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:40,746 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:40,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:40,747 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:40,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:56:40,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:40,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:40,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:40,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:40,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:40,749 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:40,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:40,751 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:40,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:40,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:40,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:40,752 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:40,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:40,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:40,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:40,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:40,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:40,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:56:40,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:56:40,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:40,757 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 [2019-11-25 22:56:41,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:41,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:41,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:41,226 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:41,226 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:41,227 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-25 22:56:41,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e411de61c/288d02b363814ce9b05249b426f9e259/FLAG1017ce110 [2019-11-25 22:56:42,041 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:42,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-25 22:56:42,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e411de61c/288d02b363814ce9b05249b426f9e259/FLAG1017ce110 [2019-11-25 22:56:42,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e411de61c/288d02b363814ce9b05249b426f9e259 [2019-11-25 22:56:42,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:42,390 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:42,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:42,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:42,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:42,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:42" (1/1) ... [2019-11-25 22:56:42,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489f1e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:42, skipping insertion in model container [2019-11-25 22:56:42,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:42" (1/1) ... [2019-11-25 22:56:42,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:42,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:42,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:42,807 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:42,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:42,874 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:42,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:42 WrapperNode [2019-11-25 22:56:42,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:42,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:42,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:42,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:42,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:42" (1/1) ... [2019-11-25 22:56:42,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:42" (1/1) ... [2019-11-25 22:56:42,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:42,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:42,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:43,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:43,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:42" (1/1) ... [2019-11-25 22:56:43,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:42" (1/1) ... [2019-11-25 22:56:43,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:42" (1/1) ... [2019-11-25 22:56:43,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:42" (1/1) ... [2019-11-25 22:56:43,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:42" (1/1) ... [2019-11-25 22:56:43,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:42" (1/1) ... [2019-11-25 22:56:43,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:42" (1/1) ... [2019-11-25 22:56:43,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:43,053 INFO L168 Benchmark]: Toolchain (without parser) took 661.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:43,055 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:43,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.36 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:43,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:43,068 INFO L168 Benchmark]: Boogie Preprocessor took 53.72 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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. [2019-11-25 22:56:43,079 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 478.36 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 115.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.72 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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 0.1.24-65d6cd2 [2019-11-25 22:56:45,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:45,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:45,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:45,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:45,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:45,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:45,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:45,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:45,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:45,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:45,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:45,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:45,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:45,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:45,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:45,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:45,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:45,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:45,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:45,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:45,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:45,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:45,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:45,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:45,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:45,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:45,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:45,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:45,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:45,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:45,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:45,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:45,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:45,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:45,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:45,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:45,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:45,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:45,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:45,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:45,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:56:45,990 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:45,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:45,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:45,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:45,995 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:45,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:45,998 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:45,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:45,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:45,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:45,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:46,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:46,000 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:56:46,000 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:56:46,000 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:46,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:46,001 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:46,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:46,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:46,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:46,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:46,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:46,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:46,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:46,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:46,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:46,004 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:56:46,006 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:56:46,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:46,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:56:46,007 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 [2019-11-25 22:56:46,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:46,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:46,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:46,453 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:46,454 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:46,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-25 22:56:46,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a15541c/4128b0324daf47d6a7323ddc653a638e/FLAG04639bf23 [2019-11-25 22:56:47,256 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:47,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-25 22:56:47,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a15541c/4128b0324daf47d6a7323ddc653a638e/FLAG04639bf23 [2019-11-25 22:56:47,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a15541c/4128b0324daf47d6a7323ddc653a638e [2019-11-25 22:56:47,617 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:47,619 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:47,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:47,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:47,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:47,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:47" (1/1) ... [2019-11-25 22:56:47,638 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 25.11 10:56:47, skipping insertion in model container [2019-11-25 22:56:47,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:47" (1/1) ... [2019-11-25 22:56:47,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:47,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:47,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:47,983 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:48,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:48,020 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:48,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:48 WrapperNode [2019-11-25 22:56:48,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:48,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:48,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:48,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:48,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:48" (1/1) ... [2019-11-25 22:56:48,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:48" (1/1) ... [2019-11-25 22:56:48,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:48,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:48,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:48,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:48,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:48" (1/1) ... [2019-11-25 22:56:48,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:48" (1/1) ... [2019-11-25 22:56:48,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:48" (1/1) ... [2019-11-25 22:56:48,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:48" (1/1) ... [2019-11-25 22:56:48,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:48" (1/1) ... [2019-11-25 22:56:48,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:48" (1/1) ... [2019-11-25 22:56:48,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:48" (1/1) ... [2019-11-25 22:56:48,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:48,166 INFO L168 Benchmark]: Toolchain (without parser) took 545.54 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:48,168 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:48,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.16 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. [2019-11-25 22:56:48,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.02 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 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:48,172 INFO L168 Benchmark]: Boogie Preprocessor took 34.85 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:48,189 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 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 398.16 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 101.02 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 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 34.85 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 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...