./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/exp_loop.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/float-benchs/exp_loop.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 74d1f3926f9c2c2c1c542c1420872d0e9607f6de ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/float-benchs/exp_loop.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 74d1f3926f9c2c2c1c542c1420872d0e9607f6de ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:06:52,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:52,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:52,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:52,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:52,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:52,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:52,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:52,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:52,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:52,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:52,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:52,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:52,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:52,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:52,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:52,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:52,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:52,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:52,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:52,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:52,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:52,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:52,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:52,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:52,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:52,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:52,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:52,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:52,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:52,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:52,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:52,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:52,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:52,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:52,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:52,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:52,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:52,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:52,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:52,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:52,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:06:52,467 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:52,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:52,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:52,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:52,473 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:52,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:52,474 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:52,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:06:52,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:52,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:52,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:52,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:52,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:52,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:52,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:52,479 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:52,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:52,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:52,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:52,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:52,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:52,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:52,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:52,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:52,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:52,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:06:52,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:06:52,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:52,484 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 -> 74d1f3926f9c2c2c1c542c1420872d0e9607f6de [2019-11-27 16:06:52,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:52,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:52,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:52,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:52,948 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:52,949 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/exp_loop.c [2019-11-27 16:06:53,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a35f3d020/13f4556df35d4ef79be210bd2c704ec1/FLAG636dd90f9 [2019-11-27 16:06:53,760 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:53,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/exp_loop.c [2019-11-27 16:06:53,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a35f3d020/13f4556df35d4ef79be210bd2c704ec1/FLAG636dd90f9 [2019-11-27 16:06:54,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a35f3d020/13f4556df35d4ef79be210bd2c704ec1 [2019-11-27 16:06:54,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:54,107 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:54,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:54,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:54,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:54,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:54" (1/1) ... [2019-11-27 16:06:54,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c02fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:54, skipping insertion in model container [2019-11-27 16:06:54,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:54" (1/1) ... [2019-11-27 16:06:54,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:54,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:54,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:54,510 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:54,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:54,633 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:54,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:54 WrapperNode [2019-11-27 16:06:54,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:54,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:54,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:54,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:54,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:54" (1/1) ... [2019-11-27 16:06:54,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:54" (1/1) ... [2019-11-27 16:06:54,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:54,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:54,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:54,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:54,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:54" (1/1) ... [2019-11-27 16:06:54,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:54" (1/1) ... [2019-11-27 16:06:54,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:54" (1/1) ... [2019-11-27 16:06:54,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:54" (1/1) ... [2019-11-27 16:06:54,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:54" (1/1) ... [2019-11-27 16:06:54,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:54" (1/1) ... [2019-11-27 16:06:54,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:54" (1/1) ... [2019-11-27 16:06:54,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:54,765 INFO L168 Benchmark]: Toolchain (without parser) took 655.78 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. [2019-11-27 16:06:54,768 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-27 16:06:54,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.54 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:54,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.69 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. [2019-11-27 16:06:54,787 INFO L168 Benchmark]: Boogie Preprocessor took 61.04 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:54,792 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 525.54 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 63.69 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. * Boogie Preprocessor took 61.04 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 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 0.1.24-509859d [2019-11-27 16:06:57,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:57,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:57,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:57,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:57,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:57,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:57,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:57,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:57,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:57,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:57,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:57,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:57,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:57,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:57,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:57,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:57,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:57,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:57,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:57,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:57,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:57,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:57,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:57,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:57,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:57,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:57,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:57,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:57,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:57,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:57,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:57,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:57,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:57,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:57,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:57,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:57,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:57,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:57,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:57,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:57,670 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:06:57,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:57,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:57,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:57,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:57,704 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:57,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:57,705 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:57,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:57,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:57,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:57,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:57,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:57,710 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:06:57,710 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:06:57,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:57,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:57,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:57,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:57,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:57,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:57,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:57,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:57,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:57,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:57,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:57,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:57,716 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:06:57,716 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:06:57,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:57,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:06:57,719 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 -> 74d1f3926f9c2c2c1c542c1420872d0e9607f6de [2019-11-27 16:06:58,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:58,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:58,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:58,189 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:58,191 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:58,194 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/exp_loop.c [2019-11-27 16:06:58,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df96ec43/5588aa87e57646e49509b2933e5ed324/FLAG21b11bfd1 [2019-11-27 16:06:59,026 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:59,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/exp_loop.c [2019-11-27 16:06:59,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df96ec43/5588aa87e57646e49509b2933e5ed324/FLAG21b11bfd1 [2019-11-27 16:06:59,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df96ec43/5588aa87e57646e49509b2933e5ed324 [2019-11-27 16:06:59,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:59,367 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:59,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:59,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:59,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:59,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c02fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59, skipping insertion in model container [2019-11-27 16:06:59,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:59,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:59,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:59,772 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:59,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:59,922 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:59,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59 WrapperNode [2019-11-27 16:06:59,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:59,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:59,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:59,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:59,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:00,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:00,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:00,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:00,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:07:00,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:07:00,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:07:00,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:07:00,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:07:00,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:07:00,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:07:00,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:00,077 INFO L168 Benchmark]: Toolchain (without parser) took 708.17 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 989.7 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:00,079 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-27 16:07:00,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:00,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.80 ms. Allocated memory is still 1.0 GB. Free memory was 991.1 MB in the beginning and 989.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:00,085 INFO L168 Benchmark]: Boogie Preprocessor took 71.69 ms. Allocated memory is still 1.0 GB. Free memory is still 989.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:00,098 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 550.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 75.80 ms. Allocated memory is still 1.0 GB. Free memory was 991.1 MB in the beginning and 989.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.69 ms. Allocated memory is still 1.0 GB. Free memory is still 989.7 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...