./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test04.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/test04.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 acbed71759f45b322ef055991b90acd5402a32bc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/test04.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 acbed71759f45b322ef055991b90acd5402a32bc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:01:35,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:35,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:35,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:35,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:35,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:35,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:35,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:35,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:35,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:35,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:35,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:35,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:35,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:35,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:35,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:35,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:35,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:35,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:35,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:35,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:35,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:35,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:35,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:35,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:35,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:35,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:35,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:35,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:35,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:35,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:35,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:35,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:35,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:35,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:35,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:35,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:35,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:35,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:35,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:35,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:35,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:35,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:35,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:35,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:35,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:35,506 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:35,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:35,507 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:35,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:35,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:35,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:35,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:35,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:35,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:35,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:35,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:35,512 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:35,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:35,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:35,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:35,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:35,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:35,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:35,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:35,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:35,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:35,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:35,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:35,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:35,521 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 -> acbed71759f45b322ef055991b90acd5402a32bc [2019-11-26 17:01:36,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:36,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:36,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:36,197 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:36,198 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:36,200 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test04.c [2019-11-26 17:01:36,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3ff98e7/0c31203c1b2d401f92c071e883e7fc07/FLAG9c993313a [2019-11-26 17:01:37,383 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:37,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test04.c [2019-11-26 17:01:37,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3ff98e7/0c31203c1b2d401f92c071e883e7fc07/FLAG9c993313a [2019-11-26 17:01:37,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3ff98e7/0c31203c1b2d401f92c071e883e7fc07 [2019-11-26 17:01:37,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:37,586 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:37,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:37,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:37,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:37,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:37" (1/1) ... [2019-11-26 17:01:37,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205a2a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:37, skipping insertion in model container [2019-11-26 17:01:37,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:37" (1/1) ... [2019-11-26 17:01:37,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:37,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:38,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:38,157 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:38,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:38,231 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:38,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:38 WrapperNode [2019-11-26 17:01:38,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:38,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:38,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:38,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:38,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:38" (1/1) ... [2019-11-26 17:01:38,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:38" (1/1) ... [2019-11-26 17:01:38,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:38,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:38,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:38,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:38,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:38" (1/1) ... [2019-11-26 17:01:38,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:38" (1/1) ... [2019-11-26 17:01:38,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:38" (1/1) ... [2019-11-26 17:01:38,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:38" (1/1) ... [2019-11-26 17:01:38,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:38" (1/1) ... [2019-11-26 17:01:38,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:38" (1/1) ... [2019-11-26 17:01:38,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:38" (1/1) ... [2019-11-26 17:01:38,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:38,509 INFO L168 Benchmark]: Toolchain (without parser) took 921.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 991.3 MB in the end (delta: -32.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:38,511 INFO L168 Benchmark]: CDTParser took 0.42 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 17:01:38,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.66 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:38,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 192.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 997.0 MB in the end (delta: -49.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:38,522 INFO L168 Benchmark]: Boogie Preprocessor took 66.26 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:38,534 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 648.66 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 192.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 997.0 MB in the end (delta: -49.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 66.26 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:01:42,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:42,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:42,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:42,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:42,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:42,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:42,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:42,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:42,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:42,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:42,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:42,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:42,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:42,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:42,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:42,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:42,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:42,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:42,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:42,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:42,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:42,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:42,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:42,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:42,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:42,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:42,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:42,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:42,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:42,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:42,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:42,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:42,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:42,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:42,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:42,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:42,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:42,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:42,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:42,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:42,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:42,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:42,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:42,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:42,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:42,587 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:42,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:42,588 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:42,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:42,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:42,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:42,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:42,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:42,591 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:42,591 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:42,591 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:42,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:42,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:42,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:42,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:42,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:42,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:42,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:42,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:42,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:42,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:42,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:42,599 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:42,599 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:42,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:42,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:42,603 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 -> acbed71759f45b322ef055991b90acd5402a32bc [2019-11-26 17:01:43,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:43,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:43,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:43,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:43,217 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:43,219 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test04.c [2019-11-26 17:01:43,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/188d33d13/7a8d503562964d90a833879bfe2583ee/FLAG6961271d1 [2019-11-26 17:01:44,428 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:44,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test04.c [2019-11-26 17:01:44,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/188d33d13/7a8d503562964d90a833879bfe2583ee/FLAG6961271d1 [2019-11-26 17:01:44,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/188d33d13/7a8d503562964d90a833879bfe2583ee [2019-11-26 17:01:44,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:44,499 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:44,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:44,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:44,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:44,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c63881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:44, skipping insertion in model container [2019-11-26 17:01:44,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:44,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:45,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:45,061 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:45,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:45,113 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:45,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45 WrapperNode [2019-11-26 17:01:45,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:45,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:45,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:45,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:45,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:45,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:45,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:45,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:45,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:45,343 INFO L168 Benchmark]: Toolchain (without parser) took 838.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:45,358 INFO L168 Benchmark]: CDTParser took 2.67 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 17:01:45,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.50 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:45,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:45,367 INFO L168 Benchmark]: Boogie Preprocessor took 53.35 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 17:01:45,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.67 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 613.50 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 157.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.35 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...