./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test23-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/ldv-regression/test23-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b974f281a213c0803f91ef44d205e442fb2a5f8f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/ldv-regression/test23-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b974f281a213c0803f91ef44d205e442fb2a5f8f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:01:44,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:44,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:44,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:44,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:44,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:44,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:44,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:44,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:44,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:44,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:44,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:44,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:44,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:44,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:44,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:44,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:44,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:44,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:44,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:44,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:44,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:44,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:44,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:44,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:44,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:44,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:44,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:44,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:44,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:44,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:44,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:44,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:44,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:44,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:44,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:44,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:44,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:44,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:44,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:44,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:44,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:44,306 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:44,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:44,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:44,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:44,314 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:44,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:44,315 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:44,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:44,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:44,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:44,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:44,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:44,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:44,322 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:44,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:44,322 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:44,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:44,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:44,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:44,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:44,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:44,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:44,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:44,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:44,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:44,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:44,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:44,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:44,329 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 -> b974f281a213c0803f91ef44d205e442fb2a5f8f [2019-11-26 17:01:44,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:44,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:44,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:44,935 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:44,939 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:44,940 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test23-1.c [2019-11-26 17:01:45,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128ddf2b3/03071789a14e4abe9b546b79d39ecbbe/FLAG2b4b8a908 [2019-11-26 17:01:46,074 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:46,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test23-1.c [2019-11-26 17:01:46,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128ddf2b3/03071789a14e4abe9b546b79d39ecbbe/FLAG2b4b8a908 [2019-11-26 17:01:46,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128ddf2b3/03071789a14e4abe9b546b79d39ecbbe [2019-11-26 17:01:46,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:46,260 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:46,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:46,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:46,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:46,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:46" (1/1) ... [2019-11-26 17:01:46,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82f13ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:46, skipping insertion in model container [2019-11-26 17:01:46,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:46" (1/1) ... [2019-11-26 17:01:46,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:46,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:46,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:46,863 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:46,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:47,054 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:47,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:47 WrapperNode [2019-11-26 17:01:47,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:47,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:47,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:47,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:47,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:47" (1/1) ... [2019-11-26 17:01:47,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:47" (1/1) ... [2019-11-26 17:01:47,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:47,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:47,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:47,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:47,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:47" (1/1) ... [2019-11-26 17:01:47,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:47" (1/1) ... [2019-11-26 17:01:47,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:47" (1/1) ... [2019-11-26 17:01:47,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:47" (1/1) ... [2019-11-26 17:01:47,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:47" (1/1) ... [2019-11-26 17:01:47,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:47" (1/1) ... [2019-11-26 17:01:47,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:47" (1/1) ... [2019-11-26 17:01:47,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:47,219 INFO L168 Benchmark]: Toolchain (without parser) took 953.92 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. [2019-11-26 17:01:47,223 INFO L168 Benchmark]: CDTParser took 0.32 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. [2019-11-26 17:01:47,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.9 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:47,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.47 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:47,245 INFO L168 Benchmark]: Boogie Preprocessor took 74.04 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. [2019-11-26 17:01:47,253 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 793.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.9 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 70.47 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 74.04 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 0.1.24-025d5a2 [2019-11-26 17:01:51,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:51,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:51,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:51,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:51,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:51,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:51,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:51,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:51,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:51,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:51,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:51,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:51,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:51,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:51,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:51,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:51,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:51,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:51,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:51,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:51,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:51,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:51,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:51,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:51,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:51,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:51,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:51,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:51,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:51,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:51,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:51,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:51,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:51,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:51,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:51,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:51,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:51,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:51,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:51,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:51,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:51,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:51,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:51,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:51,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:51,265 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:51,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:51,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:51,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:51,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:51,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:51,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:51,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:51,271 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:51,271 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:51,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:51,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:51,272 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:51,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:51,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:51,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:51,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:51,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:51,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:51,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:51,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:51,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:51,278 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:51,278 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:51,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:51,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:51,281 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 -> b974f281a213c0803f91ef44d205e442fb2a5f8f [2019-11-26 17:01:51,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:51,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:51,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:51,848 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:51,851 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:51,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test23-1.c [2019-11-26 17:01:52,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd48b7539/bad4f975bf7549db81c892eaaf656a90/FLAG4b1385554 [2019-11-26 17:01:52,956 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:52,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test23-1.c [2019-11-26 17:01:52,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd48b7539/bad4f975bf7549db81c892eaaf656a90/FLAG4b1385554 [2019-11-26 17:01:53,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd48b7539/bad4f975bf7549db81c892eaaf656a90 [2019-11-26 17:01:53,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:53,135 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:53,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:53,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:53,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:53,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:53" (1/1) ... [2019-11-26 17:01:53,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82f13ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:53, skipping insertion in model container [2019-11-26 17:01:53,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:53" (1/1) ... [2019-11-26 17:01:53,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:53,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:53,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:53,704 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:53,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:53,880 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:53,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:53 WrapperNode [2019-11-26 17:01:53,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:53,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:53,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:53,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:53,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:53" (1/1) ... [2019-11-26 17:01:53,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:53" (1/1) ... [2019-11-26 17:01:53,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:53,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:53,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:53,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:53,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:53" (1/1) ... [2019-11-26 17:01:53,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:53" (1/1) ... [2019-11-26 17:01:53,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:53" (1/1) ... [2019-11-26 17:01:53,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:53" (1/1) ... [2019-11-26 17:01:54,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:53" (1/1) ... [2019-11-26 17:01:54,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:53" (1/1) ... [2019-11-26 17:01:54,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:53" (1/1) ... [2019-11-26 17:01:54,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:54,031 INFO L168 Benchmark]: Toolchain (without parser) took 895.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:54,033 INFO L168 Benchmark]: CDTParser took 2.88 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. [2019-11-26 17:01:54,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:54,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.53 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:54,039 INFO L168 Benchmark]: Boogie Preprocessor took 72.72 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. [2019-11-26 17:01:54,058 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.88 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 744.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 66.53 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 72.72 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...