./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/floats-esbmc-regression/Float_div.i.p+cfa-reducer.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 be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/floats-esbmc-regression/Float_div.i.p+cfa-reducer.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 be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:04:21,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:21,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:21,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:21,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:21,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:21,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:21,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:21,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:21,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:21,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:21,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:21,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:21,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:21,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:21,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:21,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:21,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:21,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:21,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:21,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:21,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:21,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:21,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:21,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:21,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:21,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:21,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:21,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:21,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:21,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:21,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:21,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:21,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:21,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:21,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:21,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:21,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:21,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:21,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:21,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:21,519 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:04:21,546 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:21,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:21,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:21,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:21,551 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:21,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:21,552 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:21,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:04:21,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:21,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:21,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:21,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:21,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:21,556 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:21,556 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:21,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:21,557 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:21,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:21,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:21,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:21,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:21,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:21,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:21,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:21,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:21,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:21,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:04:21,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:04:21,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:21,563 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 -> be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 [2019-11-24 21:04:21,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:21,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:21,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:21,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:21,974 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:21,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2019-11-24 21:04:22,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ced04f2f/e54be6ba63d04bd093aa31d559a96024/FLAG8b9451ddf [2019-11-24 21:04:22,740 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:22,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2019-11-24 21:04:22,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ced04f2f/e54be6ba63d04bd093aa31d559a96024/FLAG8b9451ddf [2019-11-24 21:04:23,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ced04f2f/e54be6ba63d04bd093aa31d559a96024 [2019-11-24 21:04:23,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:23,117 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:23,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:23,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:23,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:23,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549c264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23, skipping insertion in model container [2019-11-24 21:04:23,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:23,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:23,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:23,461 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:23,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:23,559 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:23,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23 WrapperNode [2019-11-24 21:04:23,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:23,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:23,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:23,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:23,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:23,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:23,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:23,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:23,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:23,640 INFO L168 Benchmark]: Toolchain (without parser) took 507.08 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:23,641 INFO L168 Benchmark]: CDTParser took 0.66 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. [2019-11-24 21:04:23,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.98 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 997.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:23,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.00 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:23,646 INFO L168 Benchmark]: Boogie Preprocessor took 16.96 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:23,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 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 439.98 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 997.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 40.00 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 16.96 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 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 0.1.24-32f2683 [2019-11-24 21:04:26,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:26,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:26,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:26,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:26,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:26,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:26,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:26,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:26,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:26,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:26,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:26,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:26,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:26,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:26,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:26,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:26,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:26,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:26,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:26,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:26,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:26,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:26,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:26,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:26,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:26,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:26,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:26,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:26,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:26,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:26,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:26,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:26,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:26,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:26,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:26,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:26,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:26,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:26,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:26,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:26,502 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:04:26,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:26,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:26,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:26,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:26,535 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:26,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:26,535 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:26,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:26,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:26,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:26,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:26,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:26,540 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:26,540 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:04:26,540 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:04:26,541 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:26,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:26,541 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:26,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:26,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:26,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:26,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:26,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:26,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:26,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:26,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:26,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:26,545 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:04:26,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:04:26,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:26,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:04:26,547 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 -> be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 [2019-11-24 21:04:26,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:27,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:27,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:27,016 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:27,017 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:27,018 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2019-11-24 21:04:27,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/491a2b3ca/6e011d47e0a744b482f4776a67c02d5f/FLAGf8c0f490f [2019-11-24 21:04:27,799 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:27,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2019-11-24 21:04:27,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/491a2b3ca/6e011d47e0a744b482f4776a67c02d5f/FLAGf8c0f490f [2019-11-24 21:04:28,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/491a2b3ca/6e011d47e0a744b482f4776a67c02d5f [2019-11-24 21:04:28,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:28,154 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:28,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:28,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:28,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:28,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f6b09b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28, skipping insertion in model container [2019-11-24 21:04:28,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:28,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:28,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:28,550 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:28,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:28,606 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:28,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28 WrapperNode [2019-11-24 21:04:28,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:28,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:28,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:28,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:28,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:28,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:28,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:28,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:28,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:28,791 INFO L168 Benchmark]: Toolchain (without parser) took 628.11 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 985.5 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:28,793 INFO L168 Benchmark]: CDTParser took 1.55 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. [2019-11-24 21:04:28,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.87 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. [2019-11-24 21:04:28,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.86 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 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:28,808 INFO L168 Benchmark]: Boogie Preprocessor took 38.69 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:28,817 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 454.87 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 127.86 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 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 38.69 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 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...