./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test22-1.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/test22-1.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 efd11941ceab8dc56d9aa56f1950f714738654ba .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/test22-1.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 efd11941ceab8dc56d9aa56f1950f714738654ba ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:01:43,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:43,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:43,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:43,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:43,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:43,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:43,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:43,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:43,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:43,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:43,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:43,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:43,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:43,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:43,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:43,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:43,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:43,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:43,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:43,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:43,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:43,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:43,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:43,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:43,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:43,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:43,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:43,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:43,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:43,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:43,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:43,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:43,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:43,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:43,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:43,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:43,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:43,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:43,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:43,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:43,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:43,250 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:43,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:43,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:43,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:43,257 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:43,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:43,258 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:43,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:43,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:43,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:43,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:43,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:43,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:43,263 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:43,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:43,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:43,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:43,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:43,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:43,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:43,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:43,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:43,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:43,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:43,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:43,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:43,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:43,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:43,273 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 -> efd11941ceab8dc56d9aa56f1950f714738654ba [2019-11-26 17:01:43,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:43,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:43,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:43,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:43,912 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:43,913 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test22-1.c [2019-11-26 17:01:44,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2235d9775/efcfb5645793420cba67176671bad670/FLAGd378288bb [2019-11-26 17:01:45,120 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:45,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test22-1.c [2019-11-26 17:01:45,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2235d9775/efcfb5645793420cba67176671bad670/FLAGd378288bb [2019-11-26 17:01:45,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2235d9775/efcfb5645793420cba67176671bad670 [2019-11-26 17:01:45,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:45,197 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:45,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:45,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:45,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:45,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c001282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45, skipping insertion in model container [2019-11-26 17:01:45,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:45,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:45,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:45,852 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:45,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:46,060 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:46,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:46 WrapperNode [2019-11-26 17:01:46,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:46,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:46,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:46,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:46,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:46" (1/1) ... [2019-11-26 17:01:46,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:46" (1/1) ... [2019-11-26 17:01:46,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:46,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:46,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:46,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:46,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:46" (1/1) ... [2019-11-26 17:01:46,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:46" (1/1) ... [2019-11-26 17:01:46,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:46" (1/1) ... [2019-11-26 17:01:46,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:46" (1/1) ... [2019-11-26 17:01:46,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:46" (1/1) ... [2019-11-26 17:01:46,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:46" (1/1) ... [2019-11-26 17:01:46,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:46" (1/1) ... [2019-11-26 17:01:46,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:46,291 INFO L168 Benchmark]: Toolchain (without parser) took 1077.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.0 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:46,292 INFO L168 Benchmark]: CDTParser took 1.55 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. [2019-11-26 17:01:46,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 864.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:46,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.87 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 17:01:46,304 INFO L168 Benchmark]: Boogie Preprocessor took 83.75 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:46,318 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55 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 864.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 117.87 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 83.75 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 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 17:01:50,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:50,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:50,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:50,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:50,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:50,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:50,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:50,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:50,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:50,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:50,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:50,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:50,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:50,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:50,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:50,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:50,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:50,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:50,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:50,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:50,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:50,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:50,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:50,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:50,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:50,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:50,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:50,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:50,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:50,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:50,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:50,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:50,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:50,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:50,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:50,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:50,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:50,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:50,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:50,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:50,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:50,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:50,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:50,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:50,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:50,417 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:50,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:50,418 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:50,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:50,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:50,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:50,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:50,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:50,423 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:50,424 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:50,424 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:50,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:50,426 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:50,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:50,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:50,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:50,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:50,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:50,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:50,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:50,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:50,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:50,432 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:50,432 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:50,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:50,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:50,436 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 -> efd11941ceab8dc56d9aa56f1950f714738654ba [2019-11-26 17:01:50,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:51,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:51,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:51,037 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:51,038 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:51,041 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test22-1.c [2019-11-26 17:01:51,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a34fc1a1/85fb3efd50244377a3abba3714f5d373/FLAG13373debb [2019-11-26 17:01:52,276 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:52,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test22-1.c [2019-11-26 17:01:52,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a34fc1a1/85fb3efd50244377a3abba3714f5d373/FLAG13373debb [2019-11-26 17:01:52,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a34fc1a1/85fb3efd50244377a3abba3714f5d373 [2019-11-26 17:01:52,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:52,349 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:52,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:52,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:52,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:52,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:52" (1/1) ... [2019-11-26 17:01:52,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db2b676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:52, skipping insertion in model container [2019-11-26 17:01:52,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:52" (1/1) ... [2019-11-26 17:01:52,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:52,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:52,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:52,944 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:53,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:53,151 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:53,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:53 WrapperNode [2019-11-26 17:01:53,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:53,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:53,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:53,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:53,182 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 17:01:53,213 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 17:01:53,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:53,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:53,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:53,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:53,317 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 17:01:53,319 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 17:01:53,340 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 17:01:53,343 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 17:01:53,367 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 17:01:53,386 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 17:01:53,395 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 17:01:53,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:53,425 INFO L168 Benchmark]: Toolchain (without parser) took 1067.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:53,426 INFO L168 Benchmark]: CDTParser took 0.41 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 17:01:53,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:53,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.74 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:53,437 INFO L168 Benchmark]: Boogie Preprocessor took 117.59 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:53,442 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 805.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 135.74 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.59 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...