./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 da95e156 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-da95e15 [2019-11-27 09:45:35,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:35,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:35,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:35,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:35,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:35,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:35,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:35,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:35,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:35,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:35,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:35,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:35,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:35,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:35,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:35,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:35,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:35,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:35,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:35,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:35,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:35,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:35,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:35,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:35,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:35,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:35,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:35,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:35,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:35,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:35,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:35,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:35,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:35,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:35,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:35,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:35,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:35,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:35,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:35,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:35,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:35,622 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:35,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:35,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:35,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:35,629 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:35,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:35,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:35,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:35,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:35,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:35,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:35,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:35,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:35,632 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:35,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:35,632 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:35,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:35,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:35,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:35,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:35,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:35,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:35,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:35,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:35,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:35,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:35,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:35,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:35,638 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 [2019-11-27 09:45:36,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:36,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:36,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:36,136 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:36,136 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:36,137 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2019-11-27 09:45:36,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b79c3a88e/2ffc6fb80db143ada7dcebc2810284d6/FLAG3f256aa97 [2019-11-27 09:45:36,936 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:36,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2019-11-27 09:45:36,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b79c3a88e/2ffc6fb80db143ada7dcebc2810284d6/FLAG3f256aa97 [2019-11-27 09:45:37,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b79c3a88e/2ffc6fb80db143ada7dcebc2810284d6 [2019-11-27 09:45:37,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:37,292 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:37,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:37,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:37,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:37,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:37" (1/1) ... [2019-11-27 09:45:37,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2ddf4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:37, skipping insertion in model container [2019-11-27 09:45:37,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:37" (1/1) ... [2019-11-27 09:45:37,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:37,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:37,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:37,661 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:37,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:37,760 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:37,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:37 WrapperNode [2019-11-27 09:45:37,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:37,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:37,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:37,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:37,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:37" (1/1) ... [2019-11-27 09:45:37,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:37" (1/1) ... [2019-11-27 09:45:37,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:37,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:37,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:37,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:37,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:37" (1/1) ... [2019-11-27 09:45:37,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:37" (1/1) ... [2019-11-27 09:45:37,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:37" (1/1) ... [2019-11-27 09:45:37,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:37" (1/1) ... [2019-11-27 09:45:37,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:37" (1/1) ... [2019-11-27 09:45:37,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:37" (1/1) ... [2019-11-27 09:45:37,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:37" (1/1) ... [2019-11-27 09:45:37,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:37,830 INFO L168 Benchmark]: Toolchain (without parser) took 536.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 995.7 MB in the end (delta: -38.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:37,832 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:37,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 995.7 MB in the end (delta: -38.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:37,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.87 ms. Allocated memory is still 1.0 GB. Free memory is still 995.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:37,851 INFO L168 Benchmark]: Boogie Preprocessor took 23.79 ms. Allocated memory is still 1.0 GB. Free memory is still 995.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:37,857 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 464.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 995.7 MB in the end (delta: -38.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 35.87 ms. Allocated memory is still 1.0 GB. Free memory is still 995.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 23.79 ms. Allocated memory is still 1.0 GB. Free memory is still 995.7 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:40,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:40,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:40,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:40,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:40,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:40,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:40,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:40,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:40,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:40,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:40,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:40,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:40,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:40,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:40,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:40,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:40,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:40,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:40,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:40,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:40,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:40,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:40,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:40,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:40,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:40,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:40,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:40,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:40,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:40,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:40,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:40,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:40,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:40,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:40,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:40,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:40,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:40,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:40,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:40,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:40,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:40,703 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:40,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:40,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:40,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:40,710 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:40,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:40,712 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:40,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:40,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:40,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:40,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:40,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:40,715 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:40,715 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:40,716 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:40,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:40,717 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:40,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:40,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:40,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:40,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:40,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:40,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:40,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:40,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:40,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:40,722 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:40,722 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:40,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:40,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:40,723 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 [2019-11-27 09:45:41,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:41,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:41,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:41,228 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:41,229 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:41,230 INFO L428 ainManager$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 [2019-11-27 09:45:41,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b7a6329/1c4c827ec57a4282a03b90f40977d949/FLAG28e4eb4a1 [2019-11-27 09:45:42,028 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:42,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2019-11-27 09:45:42,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b7a6329/1c4c827ec57a4282a03b90f40977d949/FLAG28e4eb4a1 [2019-11-27 09:45:42,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b7a6329/1c4c827ec57a4282a03b90f40977d949 [2019-11-27 09:45:42,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:42,368 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:42,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:42,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:42,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:42,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:42" (1/1) ... [2019-11-27 09:45:42,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:42, skipping insertion in model container [2019-11-27 09:45:42,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:42" (1/1) ... [2019-11-27 09:45:42,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:42,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:42,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:42,728 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:42,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:42,766 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:42,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:42 WrapperNode [2019-11-27 09:45:42,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:42,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:42,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:42,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:42,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:42" (1/1) ... [2019-11-27 09:45:42,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:42" (1/1) ... [2019-11-27 09:45:42,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:42,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:42,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:42,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:42,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:42" (1/1) ... [2019-11-27 09:45:42,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:42" (1/1) ... [2019-11-27 09:45:42,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:42" (1/1) ... [2019-11-27 09:45:42,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:42" (1/1) ... [2019-11-27 09:45:42,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:42" (1/1) ... [2019-11-27 09:45:42,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:42" (1/1) ... [2019-11-27 09:45:42,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:42" (1/1) ... [2019-11-27 09:45:42,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:42,925 INFO L168 Benchmark]: Toolchain (without parser) took 550.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 989.9 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:42,936 INFO L168 Benchmark]: CDTParser took 2.69 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 09:45:42,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.01 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 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. [2019-11-27 09:45:42,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.40 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 995.7 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:42,944 INFO L168 Benchmark]: Boogie Preprocessor took 41.74 ms. Allocated memory is still 1.0 GB. Free memory was 995.7 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. [2019-11-27 09:45:42,951 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.69 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 397.01 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 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 101.40 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 995.7 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 41.74 ms. Allocated memory is still 1.0 GB. Free memory was 995.7 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...