./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cdfpl/square_5.i -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 90d9d5110e72847827a8a4de1ec9da2f4a9a1545 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-cdfpl/square_5.i -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 90d9d5110e72847827a8a4de1ec9da2f4a9a1545 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:21,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:21,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:21,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:21,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:21,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:21,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:21,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:21,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:21,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:21,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:21,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:21,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:21,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:21,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:21,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:21,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:21,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:21,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:21,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:21,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:21,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:21,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:21,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:21,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:21,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:21,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:21,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:21,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:21,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:21,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:21,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:21,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:21,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:21,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:21,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:21,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:21,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:21,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:21,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:21,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:21,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:21,600 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:21,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:21,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:21,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:21,606 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:21,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:21,606 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:21,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:21,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:21,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:21,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:21,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:21,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:21,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:21,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:21,612 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:21,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:21,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:21,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:21,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:21,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:21,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:21,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:21,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:21,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:21,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:21,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:21,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:21,618 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 -> 90d9d5110e72847827a8a4de1ec9da2f4a9a1545 [2019-11-26 16:57:22,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:22,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:22,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:22,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:22,131 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:22,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_5.i [2019-11-26 16:57:22,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433b31448/4aa464a1984e4b369e5be450c3ef983e/FLAGf3c864d09 [2019-11-26 16:57:22,932 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:22,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_5.i [2019-11-26 16:57:22,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433b31448/4aa464a1984e4b369e5be450c3ef983e/FLAGf3c864d09 [2019-11-26 16:57:23,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433b31448/4aa464a1984e4b369e5be450c3ef983e [2019-11-26 16:57:23,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:23,281 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:23,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:23,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:23,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:23,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:23" (1/1) ... [2019-11-26 16:57:23,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555cfcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:23, skipping insertion in model container [2019-11-26 16:57:23,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:23" (1/1) ... [2019-11-26 16:57:23,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:23,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:23,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:23,640 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:23,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:23,681 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:23,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:23 WrapperNode [2019-11-26 16:57:23,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:23,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:23,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:23,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:23,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:23" (1/1) ... [2019-11-26 16:57:23,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:23" (1/1) ... [2019-11-26 16:57:23,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:23,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:23,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:23,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:23,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:23" (1/1) ... [2019-11-26 16:57:23,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:23" (1/1) ... [2019-11-26 16:57:23,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:23" (1/1) ... [2019-11-26 16:57:23,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:23" (1/1) ... [2019-11-26 16:57:23,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:23" (1/1) ... [2019-11-26 16:57:23,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:23" (1/1) ... [2019-11-26 16:57:23,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:23" (1/1) ... [2019-11-26 16:57:23,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:23,830 INFO L168 Benchmark]: Toolchain (without parser) took 534.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.9 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:23,832 INFO L168 Benchmark]: CDTParser took 1.77 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:23,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.86 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:23,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 995.6 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:23,840 INFO L168 Benchmark]: Boogie Preprocessor took 26.72 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:23,847 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77 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 396.86 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 98.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 995.6 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 26.72 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:26,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:26,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:26,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:26,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:26,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:26,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:26,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:26,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:26,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:26,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:26,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:26,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:26,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:26,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:26,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:26,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:26,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:26,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:26,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:26,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:26,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:26,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:26,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:26,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:26,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:26,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:26,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:26,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:26,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:26,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:26,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:26,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:26,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:26,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:26,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:26,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:26,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:26,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:26,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:26,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:26,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:26,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:26,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:26,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:26,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:26,740 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:26,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:26,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:26,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:26,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:26,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:26,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:26,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:26,745 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:26,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:26,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:26,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:26,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:26,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:26,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:26,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:26,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:26,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:26,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:26,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:26,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:26,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:26,751 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:26,751 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:26,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:26,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:26,753 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 -> 90d9d5110e72847827a8a4de1ec9da2f4a9a1545 [2019-11-26 16:57:27,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:27,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:27,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:27,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:27,185 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:27,189 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_5.i [2019-11-26 16:57:27,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6175b70d1/af6f8234809c4cf7a18d5531a3b619f6/FLAGa7133ee56 [2019-11-26 16:57:27,974 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:27,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_5.i [2019-11-26 16:57:27,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6175b70d1/af6f8234809c4cf7a18d5531a3b619f6/FLAGa7133ee56 [2019-11-26 16:57:28,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6175b70d1/af6f8234809c4cf7a18d5531a3b619f6 [2019-11-26 16:57:28,311 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:28,320 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:28,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:28,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:28,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:28,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c33f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28, skipping insertion in model container [2019-11-26 16:57:28,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:28,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:28,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:28,692 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:28,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:28,737 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:28,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28 WrapperNode [2019-11-26 16:57:28,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:28,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:28,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:28,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:28,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:28,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:28,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:28,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:28,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:28" (1/1) ... [2019-11-26 16:57:28,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:28,893 INFO L168 Benchmark]: Toolchain (without parser) took 578.83 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 991.2 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:28,896 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. [2019-11-26 16:57:28,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.28 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:28,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:28,915 INFO L168 Benchmark]: Boogie Preprocessor took 43.42 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:28,925 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 415.28 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 102.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.42 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...