./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.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-cbmc-regression/float-no-simp1.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 5fc76096080d06d307c9a613c10bbb5b03d622cd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-cbmc-regression/float-no-simp1.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 5fc76096080d06d307c9a613c10bbb5b03d622cd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:44:39,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:39,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:39,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:39,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:39,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:39,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:39,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:39,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:39,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:39,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:39,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:39,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:39,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:39,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:39,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:39,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:39,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:39,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:39,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:39,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:39,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:39,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:39,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:39,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:39,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:39,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:39,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:39,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:39,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:39,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:39,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:39,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:39,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:39,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:39,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:39,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:39,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:39,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:39,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:39,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:39,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:44:39,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:39,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:39,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:39,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:39,253 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:39,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:39,253 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:39,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:44:39,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:39,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:39,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:39,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:39,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:39,258 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:39,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:39,261 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:39,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:39,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:39,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:39,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:39,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:39,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:39,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:39,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:39,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:39,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:44:39,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:44:39,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:39,268 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 -> 5fc76096080d06d307c9a613c10bbb5b03d622cd [2019-11-27 09:44:39,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:39,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:39,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:39,853 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:39,854 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:39,855 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2019-11-27 09:44:40,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a59e6a93/4563644ad4cd444ab477bcc9a9b0fbc3/FLAG8d8986065 [2019-11-27 09:44:41,034 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:41,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2019-11-27 09:44:41,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a59e6a93/4563644ad4cd444ab477bcc9a9b0fbc3/FLAG8d8986065 [2019-11-27 09:44:41,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a59e6a93/4563644ad4cd444ab477bcc9a9b0fbc3 [2019-11-27 09:44:41,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:41,100 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:41,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:41,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:41,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:41,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4768dff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41, skipping insertion in model container [2019-11-27 09:44:41,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:41,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:41,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:41,565 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:41,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:41,631 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:41,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41 WrapperNode [2019-11-27 09:44:41,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:41,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:41,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:41,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:41,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:41,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:41,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:41,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:41,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:41" (1/1) ... [2019-11-27 09:44:41,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:41,832 INFO L168 Benchmark]: Toolchain (without parser) took 728.84 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 997.0 MB in the end (delta: -36.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:41,834 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 09:44:41,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.45 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 09:44:41,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.03 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 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:41,841 INFO L168 Benchmark]: Boogie Preprocessor took 42.14 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:41,864 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 528.45 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 150.03 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 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 42.14 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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 09:44:45,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:45,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:45,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:45,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:45,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:45,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:45,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:45,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:45,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:45,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:45,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:45,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:45,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:45,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:45,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:45,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:45,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:45,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:45,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:45,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:45,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:45,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:45,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:45,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:45,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:45,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:45,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:45,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:45,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:45,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:45,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:45,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:45,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:45,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:45,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:45,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:45,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:45,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:45,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:45,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:45,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:44:45,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:45,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:45,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:45,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:45,883 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:45,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:45,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:45,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:45,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:45,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:45,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:45,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:45,891 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:44:45,892 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:44:45,892 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:45,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:45,894 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:45,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:45,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:45,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:45,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:45,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:45,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:45,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:45,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:45,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:45,900 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:44:45,901 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:44:45,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:45,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:44:45,904 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 -> 5fc76096080d06d307c9a613c10bbb5b03d622cd [2019-11-27 09:44:46,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:46,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:46,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:46,537 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:46,537 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:46,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2019-11-27 09:44:46,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43ba88d64/14a72ba3730f43f8ab61a9149a8f2a90/FLAG9a07cc014 [2019-11-27 09:44:47,666 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:47,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2019-11-27 09:44:47,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43ba88d64/14a72ba3730f43f8ab61a9149a8f2a90/FLAG9a07cc014 [2019-11-27 09:44:47,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43ba88d64/14a72ba3730f43f8ab61a9149a8f2a90 [2019-11-27 09:44:47,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:47,875 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:47,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:47,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:47,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:47,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:47" (1/1) ... [2019-11-27 09:44:47,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff3520c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:47, skipping insertion in model container [2019-11-27 09:44:47,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:47" (1/1) ... [2019-11-27 09:44:47,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:47,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:48,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:48,320 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:48,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:48,396 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:48,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48 WrapperNode [2019-11-27 09:44:48,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:48,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:48,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:48,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:48,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:48,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:48,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:48,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:48,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:48,601 INFO L168 Benchmark]: Toolchain (without parser) took 722.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:48,604 INFO L168 Benchmark]: CDTParser took 0.39 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 09:44:48,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.49 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:48,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:48,611 INFO L168 Benchmark]: Boogie Preprocessor took 42.53 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. [2019-11-27 09:44:48,620 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 512.49 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 154.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 42.53 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...