./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float3.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 214842803e5bf2009b57aa1e3a0f5face6e1dd52 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/float3.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 214842803e5bf2009b57aa1e3a0f5face6e1dd52 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:36,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:36,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:36,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:36,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:36,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:36,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:37,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:37,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:37,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:37,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:37,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:37,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:37,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:37,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:37,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:37,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:37,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:37,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:37,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:37,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:37,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:37,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:37,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:37,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:37,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:37,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:37,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:37,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:37,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:37,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:37,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:37,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:37,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:37,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:37,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:37,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:37,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:37,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:37,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:37,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:37,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:37,166 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:37,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:37,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:37,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:37,174 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:37,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:37,176 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:37,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:37,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:37,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:37,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:37,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:37,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:37,182 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:37,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:37,182 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:37,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:37,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:37,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:37,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:37,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:37,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:37,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:37,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:37,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:37,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:37,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:37,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:37,192 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 -> 214842803e5bf2009b57aa1e3a0f5face6e1dd52 [2019-11-26 16:57:37,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:37,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:37,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:37,745 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:37,750 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:37,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float3.c [2019-11-26 16:57:37,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9fac8551/1ddcc2dc3d424ea99f330a0480eb0b4d/FLAGa529c060c [2019-11-26 16:57:38,992 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:38,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float3.c [2019-11-26 16:57:39,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9fac8551/1ddcc2dc3d424ea99f330a0480eb0b4d/FLAGa529c060c [2019-11-26 16:57:39,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9fac8551/1ddcc2dc3d424ea99f330a0480eb0b4d [2019-11-26 16:57:39,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:39,068 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:39,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:39,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:39,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:39,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9b2ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39, skipping insertion in model container [2019-11-26 16:57:39,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:39,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:39,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:39,613 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:39,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:39,696 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:39,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39 WrapperNode [2019-11-26 16:57:39,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:39,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:39,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:39,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:39,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:39,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:39,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:39,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:39,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:39,981 INFO L168 Benchmark]: Toolchain (without parser) took 908.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:39,984 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. [2019-11-26 16:57:39,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.23 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:39,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 221.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:39,994 INFO L168 Benchmark]: Boogie Preprocessor took 50.25 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. [2019-11-26 16:57:40,006 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 630.23 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 221.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.25 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 0.1.24-025d5a2 [2019-11-26 16:57:43,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:43,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:43,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:43,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:43,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:43,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:43,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:43,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:43,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:43,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:43,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:43,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:43,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:43,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:43,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:43,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:43,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:44,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:44,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:44,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:44,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:44,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:44,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:44,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:44,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:44,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:44,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:44,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:44,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:44,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:44,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:44,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:44,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:44,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:44,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:44,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:44,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:44,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:44,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:44,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:44,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:44,108 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:44,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:44,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:44,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:44,115 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:44,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:44,117 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:44,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:44,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:44,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:44,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:44,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:44,121 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:44,122 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:44,122 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:44,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:44,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:44,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:44,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:44,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:44,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:44,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:44,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:44,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:44,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:44,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:44,129 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:44,132 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:44,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:44,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:44,134 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 -> 214842803e5bf2009b57aa1e3a0f5face6e1dd52 [2019-11-26 16:57:44,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:44,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:44,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:44,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:44,792 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:44,796 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float3.c [2019-11-26 16:57:44,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06413a6ca/5de368d4fdc04c0cbe969ed9c1b5f9e7/FLAG9eaffb305 [2019-11-26 16:57:45,893 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:45,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float3.c [2019-11-26 16:57:45,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06413a6ca/5de368d4fdc04c0cbe969ed9c1b5f9e7/FLAG9eaffb305 [2019-11-26 16:57:46,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06413a6ca/5de368d4fdc04c0cbe969ed9c1b5f9e7 [2019-11-26 16:57:46,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:46,124 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:46,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:46,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:46,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:46,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:46" (1/1) ... [2019-11-26 16:57:46,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d4f559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:46, skipping insertion in model container [2019-11-26 16:57:46,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:46" (1/1) ... [2019-11-26 16:57:46,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:46,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:46,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:46,684 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:46,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:46,766 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:46,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:46 WrapperNode [2019-11-26 16:57:46,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:46,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:46,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:46,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:46,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:46" (1/1) ... [2019-11-26 16:57:46,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:46" (1/1) ... [2019-11-26 16:57:46,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:46,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:46,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:46,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:46,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:46" (1/1) ... [2019-11-26 16:57:46,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:46" (1/1) ... [2019-11-26 16:57:46,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:46" (1/1) ... [2019-11-26 16:57:46,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:46" (1/1) ... [2019-11-26 16:57:46,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:46" (1/1) ... [2019-11-26 16:57:46,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:46" (1/1) ... [2019-11-26 16:57:46,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:46" (1/1) ... [2019-11-26 16:57:46,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:46,995 INFO L168 Benchmark]: Toolchain (without parser) took 868.58 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:46,997 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:46,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.38 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:47,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 991.1 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:47,002 INFO L168 Benchmark]: Boogie Preprocessor took 58.32 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:47,021 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 639.38 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 161.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 991.1 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.32 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...