./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af383046837f49b57572febe7198ecca5fffa750 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-zero-sum1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af383046837f49b57572febe7198ecca5fffa750 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:57:30,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:30,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:30,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:30,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:30,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:30,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:30,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:30,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:30,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:30,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:30,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:30,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:30,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:30,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:30,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:30,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:30,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:30,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:30,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:30,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:30,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:30,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:30,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:30,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:30,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:30,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:30,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:30,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:30,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:30,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:30,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:30,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:30,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:30,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:30,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:30,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:30,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:30,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:30,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:30,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:30,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:30,283 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:30,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:30,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:30,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:30,293 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:30,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:30,294 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:30,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:30,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:30,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:30,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:30,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:30,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:30,298 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:30,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:30,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:30,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:30,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:30,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:30,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:30,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:30,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:30,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:30,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:30,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:30,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:30,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:30,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:30,308 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 -> af383046837f49b57572febe7198ecca5fffa750 [2019-11-26 16:57:30,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:30,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:30,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:30,942 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:30,943 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:30,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2019-11-26 16:57:31,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6409e5805/e6dbb70240d74990bed7e8451ace27ce/FLAG408cc5b46 [2019-11-26 16:57:32,167 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:32,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2019-11-26 16:57:32,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6409e5805/e6dbb70240d74990bed7e8451ace27ce/FLAG408cc5b46 [2019-11-26 16:57:32,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6409e5805/e6dbb70240d74990bed7e8451ace27ce [2019-11-26 16:57:32,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:32,248 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:32,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:32,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:32,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:32,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:32,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47670154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32, skipping insertion in model container [2019-11-26 16:57:32,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:32,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:32,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:32,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:32,783 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:32,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:32,994 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:32,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32 WrapperNode [2019-11-26 16:57:32,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:33,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:33,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:33,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:33,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:33,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:33,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:33,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:33,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:33,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:33,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:33,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:33,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:33,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:33,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:33,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:33,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:33,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:33,175 INFO L168 Benchmark]: Toolchain (without parser) took 924.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:33,184 INFO L168 Benchmark]: CDTParser took 1.41 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. [2019-11-26 16:57:33,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:33,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.07 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 16:57:33,192 INFO L168 Benchmark]: Boogie Preprocessor took 72.59 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:33,204 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41 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 747.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 96.07 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. * Boogie Preprocessor took 72.59 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:36,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:36,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:37,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:37,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:37,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:37,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:37,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:37,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:37,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:37,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:37,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:37,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:37,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:37,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:37,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:37,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:37,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:37,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:37,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:37,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:37,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:37,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:37,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:37,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:37,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:37,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:37,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:37,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:37,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:37,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:37,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:37,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:37,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:37,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:37,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:37,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:37,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:37,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:37,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:37,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:37,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:37,214 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:37,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:37,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:37,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:37,221 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:37,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:37,224 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:37,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:37,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:37,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:37,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:37,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:37,227 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:37,229 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:37,229 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:37,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:37,230 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:37,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:37,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:37,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:37,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:37,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:37,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:37,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:37,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:37,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:37,236 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:37,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:37,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:37,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:37,241 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 -> af383046837f49b57572febe7198ecca5fffa750 [2019-11-26 16:57:37,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:37,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:37,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:37,790 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:37,794 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:37,796 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2019-11-26 16:57:37,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c150bd889/c144eb39aa054ca18509704255cddb59/FLAG8bd3aa9f1 [2019-11-26 16:57:39,018 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:39,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2019-11-26 16:57:39,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c150bd889/c144eb39aa054ca18509704255cddb59/FLAG8bd3aa9f1 [2019-11-26 16:57:39,078 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c150bd889/c144eb39aa054ca18509704255cddb59 [2019-11-26 16:57:39,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:39,092 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:39,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:39,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:39,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:39,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489f1e42 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 16:57:39,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:39,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:39,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:39,674 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:39,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:39,920 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:39,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39 WrapperNode [2019-11-26 16:57:39,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:39,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:39,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:39,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:39,952 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 16:57:39,980 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 16:57:40,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:40,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:40,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:40,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:40,047 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 16:57:40,047 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 16:57:40,069 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 16:57:40,070 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 16:57:40,097 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 16:57:40,100 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 16:57:40,108 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 16:57:40,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:40,120 INFO L168 Benchmark]: Toolchain (without parser) took 1026.30 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 991.0 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:40,121 INFO L168 Benchmark]: CDTParser took 0.43 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 16:57:40,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.70 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 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:40,124 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.34 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:40,125 INFO L168 Benchmark]: Boogie Preprocessor took 85.29 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:40,146 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 829.70 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 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 100.34 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 85.29 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 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...