./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/test17.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 6dfa7040946af97f12868ff329bf2a2e2019a519 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/test17.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 6dfa7040946af97f12868ff329bf2a2e2019a519 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:53:58,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:58,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:58,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:58,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:58,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:58,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:58,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:58,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:58,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:58,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:58,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:58,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:58,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:58,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:58,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:58,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:58,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:58,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:58,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:58,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:58,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:58,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:58,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:58,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:58,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:58,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:58,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:58,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:58,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:58,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:58,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:58,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:58,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:58,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:58,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:58,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:58,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:58,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:58,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:58,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:58,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:53:58,599 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:58,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:58,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:58,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:58,608 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:58,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:58,609 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:58,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:53:58,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:58,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:58,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:58,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:58,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:58,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:58,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:58,613 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:58,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:58,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:58,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:58,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:58,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:58,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:58,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:58,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:58,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:58,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:53:58,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:53:58,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:58,620 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 -> 6dfa7040946af97f12868ff329bf2a2e2019a519 [2019-11-25 22:53:59,164 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:59,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:59,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:59,200 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:59,202 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:59,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test17.c [2019-11-25 22:53:59,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e98b0f45/7cbb7cb6fd1b442c9a41a3eb60733102/FLAGce0ce8c24 [2019-11-25 22:54:00,268 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:00,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test17.c [2019-11-25 22:54:00,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e98b0f45/7cbb7cb6fd1b442c9a41a3eb60733102/FLAGce0ce8c24 [2019-11-25 22:54:00,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e98b0f45/7cbb7cb6fd1b442c9a41a3eb60733102 [2019-11-25 22:54:00,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:00,477 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:00,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:00,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:00,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:00,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:00,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7a1a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:00, skipping insertion in model container [2019-11-25 22:54:00,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:00,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:00,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:00,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:00,986 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:01,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:01,087 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:01,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:01 WrapperNode [2019-11-25 22:54:01,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:01,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:01,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:01,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:01,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:01" (1/1) ... [2019-11-25 22:54:01,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:01" (1/1) ... [2019-11-25 22:54:01,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:01,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:01,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:01,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:01,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:01" (1/1) ... [2019-11-25 22:54:01,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:01" (1/1) ... [2019-11-25 22:54:01,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:01" (1/1) ... [2019-11-25 22:54:01,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:01" (1/1) ... [2019-11-25 22:54:01,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:01" (1/1) ... [2019-11-25 22:54:01,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:01" (1/1) ... [2019-11-25 22:54:01,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:01" (1/1) ... [2019-11-25 22:54:01,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:01,315 INFO L168 Benchmark]: Toolchain (without parser) took 832.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 996.9 MB in the end (delta: -33.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:01,317 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-25 22:54:01,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.10 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:01,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 996.9 MB in the end (delta: -45.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:01,336 INFO L168 Benchmark]: Boogie Preprocessor took 42.07 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. [2019-11-25 22:54:01,349 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 605.10 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 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 172.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 996.9 MB in the end (delta: -45.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 42.07 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:54:05,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:05,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:05,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:05,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:05,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:05,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:05,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:05,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:05,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:05,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:05,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:05,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:05,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:05,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:05,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:05,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:05,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:05,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:05,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:05,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:05,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:05,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:05,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:05,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:05,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:05,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:05,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:05,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:05,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:05,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:05,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:05,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:05,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:05,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:05,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:05,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:05,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:05,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:05,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:05,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:05,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:54:05,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:05,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:05,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:05,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:05,441 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:05,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:05,442 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:05,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:05,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:05,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:05,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:05,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:05,445 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:54:05,447 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:54:05,447 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:05,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:05,448 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:05,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:05,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:05,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:05,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:05,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:05,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:05,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:05,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:05,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:05,454 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:54:05,454 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:54:05,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:05,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:54:05,456 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 -> 6dfa7040946af97f12868ff329bf2a2e2019a519 [2019-11-25 22:54:05,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:06,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:06,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:06,026 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:06,026 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:06,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test17.c [2019-11-25 22:54:06,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fdb3e1ef/9727673686524279a72441e5251e95b5/FLAG90b2e8490 [2019-11-25 22:54:07,049 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:07,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test17.c [2019-11-25 22:54:07,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fdb3e1ef/9727673686524279a72441e5251e95b5/FLAG90b2e8490 [2019-11-25 22:54:07,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fdb3e1ef/9727673686524279a72441e5251e95b5 [2019-11-25 22:54:07,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:07,277 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:07,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:07,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:07,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:07,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:07,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730d4db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07, skipping insertion in model container [2019-11-25 22:54:07,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:07,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:07,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:07,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:07,781 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:07,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:07,846 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:07,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07 WrapperNode [2019-11-25 22:54:07,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:07,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:07,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:07,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:07,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:07,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:08,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:08,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:08,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:08,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:08,079 INFO L168 Benchmark]: Toolchain (without parser) took 793.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.1 MB in the end (delta: -30.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:08,081 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:08,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.69 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:08,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.7 MB in the beginning and 996.8 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:08,092 INFO L168 Benchmark]: Boogie Preprocessor took 61.69 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. [2019-11-25 22:54:08,101 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 566.69 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 152.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.7 MB in the beginning and 996.8 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.69 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...