./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-floats-scientific-comp/loop3.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/loop-floats-scientific-comp/loop3.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 16de9293a0e84e3b3a329f13e1e1507a400214f0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-floats-scientific-comp/loop3.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 16de9293a0e84e3b3a329f13e1e1507a400214f0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:53:17,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:17,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:17,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:17,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:17,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:17,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:17,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:17,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:17,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:17,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:17,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:17,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:17,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:17,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:17,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:17,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:17,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:17,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:17,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:17,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:17,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:17,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:17,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:17,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:17,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:17,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:17,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:17,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:17,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:17,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:17,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:17,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:17,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:17,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:17,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:17,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:17,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:17,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:17,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:17,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:17,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:53:17,689 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:17,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:17,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:17,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:17,695 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:17,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:17,695 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:17,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:53:17,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:17,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:17,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:17,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:17,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:17,702 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:17,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:17,703 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:17,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:17,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:17,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:17,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:17,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:17,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:17,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:17,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:17,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:17,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:53:17,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:53:17,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:17,710 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 -> 16de9293a0e84e3b3a329f13e1e1507a400214f0 [2019-11-25 22:53:18,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:18,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:18,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:18,253 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:18,254 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:18,256 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2019-11-25 22:53:18,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035169a5e/62d7b633290c4a6a9185947dd842355f/FLAG016293966 [2019-11-25 22:53:19,454 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:19,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2019-11-25 22:53:19,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035169a5e/62d7b633290c4a6a9185947dd842355f/FLAG016293966 [2019-11-25 22:53:19,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035169a5e/62d7b633290c4a6a9185947dd842355f [2019-11-25 22:53:19,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:19,524 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:19,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:19,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:19,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:19,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:19" (1/1) ... [2019-11-25 22:53:19,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197a930a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:19, skipping insertion in model container [2019-11-25 22:53:19,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:19" (1/1) ... [2019-11-25 22:53:19,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:19,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:20,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:20,131 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:20,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:20,200 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:20,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:20 WrapperNode [2019-11-25 22:53:20,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:20,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:20,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:20,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:20,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:20" (1/1) ... [2019-11-25 22:53:20,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:20" (1/1) ... [2019-11-25 22:53:20,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:20,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:20,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:20,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:20,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:20" (1/1) ... [2019-11-25 22:53:20,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:20" (1/1) ... [2019-11-25 22:53:20,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:20" (1/1) ... [2019-11-25 22:53:20,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:20" (1/1) ... [2019-11-25 22:53:20,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:20" (1/1) ... [2019-11-25 22:53:20,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:20" (1/1) ... [2019-11-25 22:53:20,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:20" (1/1) ... [2019-11-25 22:53:20,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:20,446 INFO L168 Benchmark]: Toolchain (without parser) took 913.13 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: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:20,448 INFO L168 Benchmark]: CDTParser took 2.01 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 22:53:20,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.91 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:20,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:20,457 INFO L168 Benchmark]: Boogie Preprocessor took 65.67 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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. [2019-11-25 22:53:20,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.01 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 673.91 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 158.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 65.67 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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 0.1.24-65d6cd2 [2019-11-25 22:53:24,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:24,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:24,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:24,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:24,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:24,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:24,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:24,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:24,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:24,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:24,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:24,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:24,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:24,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:24,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:24,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:24,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:24,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:24,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:24,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:24,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:24,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:24,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:24,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:24,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:24,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:24,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:24,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:24,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:24,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:24,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:24,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:24,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:24,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:24,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:24,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:24,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:24,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:24,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:24,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:24,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:53:24,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:24,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:24,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:24,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:24,532 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:24,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:24,534 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:24,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:24,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:24,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:24,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:24,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:24,537 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:53:24,539 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:53:24,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:24,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:24,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:24,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:24,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:24,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:24,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:24,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:24,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:24,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:24,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:24,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:24,546 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:53:24,546 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:53:24,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:24,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:53:24,549 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 -> 16de9293a0e84e3b3a329f13e1e1507a400214f0 [2019-11-25 22:53:25,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:25,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:25,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:25,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:25,202 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:25,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2019-11-25 22:53:25,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5025f2134/f4835b9a12034d84a22f9d4eeaa3a6a6/FLAG6993fd9f1 [2019-11-25 22:53:26,368 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:26,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2019-11-25 22:53:26,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5025f2134/f4835b9a12034d84a22f9d4eeaa3a6a6/FLAG6993fd9f1 [2019-11-25 22:53:26,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5025f2134/f4835b9a12034d84a22f9d4eeaa3a6a6 [2019-11-25 22:53:26,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:26,437 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:26,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:26,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:26,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:26,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:26" (1/1) ... [2019-11-25 22:53:26,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a0bf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:26, skipping insertion in model container [2019-11-25 22:53:26,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:26" (1/1) ... [2019-11-25 22:53:26,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:26,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:26,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:26,988 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:27,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:27,189 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:27,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:27 WrapperNode [2019-11-25 22:53:27,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:27,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:27,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:27,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:27,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:27" (1/1) ... [2019-11-25 22:53:27,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:27" (1/1) ... [2019-11-25 22:53:27,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:27,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:27,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:27,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:27,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:27" (1/1) ... [2019-11-25 22:53:27,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:27" (1/1) ... [2019-11-25 22:53:27,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:27" (1/1) ... [2019-11-25 22:53:27,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:27" (1/1) ... [2019-11-25 22:53:27,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:27" (1/1) ... [2019-11-25 22:53:27,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:27" (1/1) ... [2019-11-25 22:53:27,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:27" (1/1) ... [2019-11-25 22:53:27,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:27,355 INFO L168 Benchmark]: Toolchain (without parser) took 914.72 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 991.0 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:27,356 INFO L168 Benchmark]: CDTParser took 0.49 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 22:53:27,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.45 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:27,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.08 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:27,361 INFO L168 Benchmark]: Boogie Preprocessor took 83.02 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:27,377 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 750.45 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 67.08 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 83.02 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...