./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 da95e156 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-da95e15 [2019-11-27 09:51:42,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:42,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:42,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:42,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:42,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:43,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:43,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:43,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:43,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:43,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:43,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:43,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:43,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:43,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:43,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:43,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:43,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:43,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:43,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:43,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:43,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:43,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:43,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:43,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:43,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:43,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:43,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:43,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:43,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:43,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:43,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:43,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:43,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:43,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:43,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:43,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:43,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:43,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:43,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:43,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:43,119 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:51:43,170 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:43,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:43,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:43,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:43,182 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:43,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:43,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:43,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:51:43,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:43,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:43,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:43,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:43,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:43,186 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:43,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:43,188 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:43,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:43,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:43,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:43,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:43,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:43,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:43,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:43,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:43,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:43,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:51:43,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:51:43,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:43,195 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 09:51:43,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:43,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:43,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:43,778 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:43,780 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:43,784 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-27 09:51:43,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5db757ae3/e7e160e6fb72491e81413b701ccbad5a/FLAG0a5c220a9 [2019-11-27 09:51:44,947 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:44,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-27 09:51:44,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5db757ae3/e7e160e6fb72491e81413b701ccbad5a/FLAG0a5c220a9 [2019-11-27 09:51:45,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5db757ae3/e7e160e6fb72491e81413b701ccbad5a [2019-11-27 09:51:45,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:45,245 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:45,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:45,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:45,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:45,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:45" (1/1) ... [2019-11-27 09:51:45,272 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 09:51:45, skipping insertion in model container [2019-11-27 09:51:45,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:45" (1/1) ... [2019-11-27 09:51:45,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:45,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:45,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:45,754 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:45,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:45,813 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:45,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:45 WrapperNode [2019-11-27 09:51:45,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:45,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:45,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:45,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:45,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:45" (1/1) ... [2019-11-27 09:51:45,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:45" (1/1) ... [2019-11-27 09:51:45,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:45,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:45,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:45,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:45,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:45" (1/1) ... [2019-11-27 09:51:45,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:45" (1/1) ... [2019-11-27 09:51:46,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:45" (1/1) ... [2019-11-27 09:51:46,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:45" (1/1) ... [2019-11-27 09:51:46,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:45" (1/1) ... [2019-11-27 09:51:46,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:45" (1/1) ... [2019-11-27 09:51:46,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:45" (1/1) ... [2019-11-27 09:51:46,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:46,036 INFO L168 Benchmark]: Toolchain (without parser) took 788.68 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 991.1 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:46,038 INFO L168 Benchmark]: CDTParser took 0.40 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 09:51:46,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.49 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. [2019-11-27 09:51:46,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.88 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 996.9 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:46,061 INFO L168 Benchmark]: Boogie Preprocessor took 43.64 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 09:51:46,074 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 564.49 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 171.88 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 996.9 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.64 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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-da95e15 [2019-11-27 09:51:49,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:49,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:49,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:49,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:49,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:50,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:50,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:50,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:50,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:50,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:50,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:50,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:50,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:50,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:50,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:50,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:50,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:50,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:50,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:50,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:50,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:50,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:50,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:50,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:50,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:50,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:50,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:50,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:50,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:50,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:50,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:50,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:50,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:50,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:50,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:50,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:50,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:50,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:50,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:50,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:50,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:51:50,170 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:50,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:50,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:50,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:50,176 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:50,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:50,178 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:50,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:50,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:50,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:50,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:50,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:50,182 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:51:50,183 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:51:50,183 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:50,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:50,184 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:50,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:50,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:50,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:50,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:50,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:50,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:50,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:50,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:50,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:50,190 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:51:50,190 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:51:50,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:50,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:51:50,193 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 09:51:50,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:50,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:50,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:50,775 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:50,776 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:50,777 INFO L428 ainManager$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 09:51:50,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ca4b9627/c61d1e8a65e247ceac4bc803833b1f53/FLAGf2da7e0d5 [2019-11-27 09:51:51,900 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:51,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/string_concat-noarr.i [2019-11-27 09:51:51,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ca4b9627/c61d1e8a65e247ceac4bc803833b1f53/FLAGf2da7e0d5 [2019-11-27 09:51:52,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ca4b9627/c61d1e8a65e247ceac4bc803833b1f53 [2019-11-27 09:51:52,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:52,130 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:52,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:52,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:52,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:52,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:52" (1/1) ... [2019-11-27 09:51:52,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b329d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:52, skipping insertion in model container [2019-11-27 09:51:52,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:52" (1/1) ... [2019-11-27 09:51:52,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:52,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:52,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:52,610 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:52,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:52,689 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:52,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:52 WrapperNode [2019-11-27 09:51:52,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:52,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:52,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:52,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:52,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:52" (1/1) ... [2019-11-27 09:51:52,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:52" (1/1) ... [2019-11-27 09:51:52,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:52,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:52,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:52,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:52,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:52" (1/1) ... [2019-11-27 09:51:52,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:52" (1/1) ... [2019-11-27 09:51:52,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:52" (1/1) ... [2019-11-27 09:51:52,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:52" (1/1) ... [2019-11-27 09:51:52,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:52" (1/1) ... [2019-11-27 09:51:52,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:52" (1/1) ... [2019-11-27 09:51:52,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:52" (1/1) ... [2019-11-27 09:51:52,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:52,907 INFO L168 Benchmark]: Toolchain (without parser) took 776.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:52,909 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-27 09:51:52,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.79 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:52,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:52,916 INFO L168 Benchmark]: Boogie Preprocessor took 51.37 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 09:51:52,937 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 558.79 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 156.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 51.37 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...