./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ifeqn1f.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/array-fpi/ifeqn1f.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 8d91257773214a4dabdd84060376021903a7c216 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/array-fpi/ifeqn1f.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 8d91257773214a4dabdd84060376021903a7c216 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:31:17,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:31:17,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:31:17,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:31:17,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:31:17,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:31:17,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:31:17,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:31:17,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:31:17,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:31:17,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:31:17,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:31:17,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:31:17,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:31:17,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:31:17,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:31:17,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:31:17,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:31:17,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:31:17,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:31:17,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:31:17,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:31:17,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:31:17,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:31:17,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:31:17,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:31:17,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:31:17,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:31:17,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:31:17,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:31:17,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:31:17,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:31:17,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:31:17,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:31:17,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:31:17,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:31:17,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:31:17,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:31:17,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:31:17,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:31:17,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:31:17,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:31:17,415 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:31:17,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:31:17,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:31:17,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:31:17,428 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:31:17,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:31:17,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:31:17,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:31:17,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:31:17,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:31:17,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:31:17,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:31:17,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:31:17,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:31:17,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:31:17,437 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:31:17,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:31:17,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:31:17,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:31:17,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:31:17,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:31:17,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:31:17,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:31:17,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:31:17,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:31:17,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:31:17,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:31:17,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:31:17,446 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 -> 8d91257773214a4dabdd84060376021903a7c216 [2019-11-26 16:31:18,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:31:18,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:31:18,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:31:18,062 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:31:18,067 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:31:18,068 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ifeqn1f.c [2019-11-26 16:31:18,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d17d7ef83/f5ace26a796a46218b6a2a87f1645b81/FLAG00d6383c8 [2019-11-26 16:31:19,324 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:31:19,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ifeqn1f.c [2019-11-26 16:31:19,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d17d7ef83/f5ace26a796a46218b6a2a87f1645b81/FLAG00d6383c8 [2019-11-26 16:31:19,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d17d7ef83/f5ace26a796a46218b6a2a87f1645b81 [2019-11-26 16:31:19,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:31:19,395 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:31:19,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:19,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:31:19,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:31:19,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:19" (1/1) ... [2019-11-26 16:31:19,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f35d551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:19, skipping insertion in model container [2019-11-26 16:31:19,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:19" (1/1) ... [2019-11-26 16:31:19,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:31:19,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:31:19,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:19,990 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:31:20,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:20,208 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:31:20,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20 WrapperNode [2019-11-26 16:31:20,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:20,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:20,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:31:20,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:31:20,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:20,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:31:20,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:31:20,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:31:20,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:31:20,388 INFO L168 Benchmark]: Toolchain (without parser) took 987.07 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:20,393 INFO L168 Benchmark]: CDTParser took 0.31 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 16:31:20,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.32 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:20,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.81 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 16:31:20,414 INFO L168 Benchmark]: Boogie Preprocessor took 66.51 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:20,425 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 808.32 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 98.81 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 66.51 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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 16:31:24,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:31:24,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:31:24,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:31:24,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:31:24,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:31:24,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:31:24,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:31:24,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:31:24,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:31:24,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:31:24,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:31:24,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:31:24,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:31:24,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:31:24,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:31:24,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:31:24,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:31:24,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:31:24,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:31:24,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:31:24,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:31:24,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:31:24,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:31:24,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:31:24,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:31:24,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:31:24,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:31:24,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:31:24,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:31:24,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:31:24,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:31:24,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:31:24,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:31:24,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:31:24,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:31:24,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:31:24,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:31:24,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:31:24,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:31:24,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:31:24,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:31:24,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:31:24,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:31:24,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:31:24,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:31:24,446 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:31:24,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:31:24,448 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:31:24,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:31:24,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:31:24,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:31:24,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:31:24,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:31:24,453 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:31:24,454 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:31:24,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:31:24,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:31:24,456 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:31:24,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:31:24,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:31:24,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:31:24,458 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:31:24,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:31:24,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:31:24,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:31:24,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:31:24,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:31:24,462 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:31:24,462 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:31:24,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:31:24,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:31:24,465 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 -> 8d91257773214a4dabdd84060376021903a7c216 [2019-11-26 16:31:25,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:31:25,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:31:25,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:31:25,156 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:31:25,159 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:31:25,161 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ifeqn1f.c [2019-11-26 16:31:25,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b238bbd3f/f1ddaf377a3643d4a2a747cc3bc97cb4/FLAG28d9e94b4 [2019-11-26 16:31:26,341 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:31:26,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ifeqn1f.c [2019-11-26 16:31:26,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b238bbd3f/f1ddaf377a3643d4a2a747cc3bc97cb4/FLAG28d9e94b4 [2019-11-26 16:31:26,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b238bbd3f/f1ddaf377a3643d4a2a747cc3bc97cb4 [2019-11-26 16:31:26,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:31:26,509 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:31:26,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:26,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:31:26,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:31:26,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:26" (1/1) ... [2019-11-26 16:31:26,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd4a022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:26, skipping insertion in model container [2019-11-26 16:31:26,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:26" (1/1) ... [2019-11-26 16:31:26,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:31:26,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:31:27,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:27,084 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:31:27,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:27,285 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:31:27,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27 WrapperNode [2019-11-26 16:31:27,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:27,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:27,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:31:27,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:31:27,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:27,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:27,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:27,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:31:27,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:31:27,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:31:27,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:27,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:27,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:27,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:27,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:27,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:27,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:27,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:31:27,474 INFO L168 Benchmark]: Toolchain (without parser) took 960.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:27,478 INFO L168 Benchmark]: CDTParser took 1.21 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 16:31:27,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.64 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: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:27,483 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.15 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 16:31:27,484 INFO L168 Benchmark]: Boogie Preprocessor took 80.63 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 16:31:27,492 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21 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 772.64 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: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 96.15 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. * Boogie Preprocessor took 80.63 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...