./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-floats-scientific-comp/loop3.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/loop-floats-scientific-comp/loop3.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 16de9293a0e84e3b3a329f13e1e1507a400214f0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/loop-floats-scientific-comp/loop3.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 16de9293a0e84e3b3a329f13e1e1507a400214f0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:48:19,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:19,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:19,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:19,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:19,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:19,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:19,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:19,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:19,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:19,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:19,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:19,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:19,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:19,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:19,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:19,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:19,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:19,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:19,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:19,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:19,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:19,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:19,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:19,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:19,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:19,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:19,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:19,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:19,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:19,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:19,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:19,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:19,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:19,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:19,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:19,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:19,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:19,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:19,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:19,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:19,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:19,249 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:19,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:19,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:19,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:19,256 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:19,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:19,257 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:19,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:19,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:19,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:19,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:19,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:19,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:19,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:19,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:19,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:19,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:19,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:19,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:19,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:19,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:19,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:19,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:19,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:19,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:19,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:19,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:19,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:19,267 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 -> 16de9293a0e84e3b3a329f13e1e1507a400214f0 [2019-11-27 09:48:19,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:19,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:19,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:19,797 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:19,797 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:19,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2019-11-27 09:48:19,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33901513a/27b2710f2a564a8fb5a05efa342b290d/FLAGeb318470f [2019-11-27 09:48:20,646 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:20,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2019-11-27 09:48:20,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33901513a/27b2710f2a564a8fb5a05efa342b290d/FLAGeb318470f [2019-11-27 09:48:20,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33901513a/27b2710f2a564a8fb5a05efa342b290d [2019-11-27 09:48:20,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:20,966 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:20,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:20,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:20,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:20,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:20" (1/1) ... [2019-11-27 09:48:20,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f182920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:20, skipping insertion in model container [2019-11-27 09:48:20,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:20" (1/1) ... [2019-11-27 09:48:21,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:21,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:21,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:21,350 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:21,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:21,396 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:21,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:21 WrapperNode [2019-11-27 09:48:21,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:21,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:21,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:21,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:21,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:21" (1/1) ... [2019-11-27 09:48:21,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:21" (1/1) ... [2019-11-27 09:48:21,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:21,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:21,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:21,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:21,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:21" (1/1) ... [2019-11-27 09:48:21,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:21" (1/1) ... [2019-11-27 09:48:21,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:21" (1/1) ... [2019-11-27 09:48:21,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:21" (1/1) ... [2019-11-27 09:48:21,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:21" (1/1) ... [2019-11-27 09:48:21,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:21" (1/1) ... [2019-11-27 09:48:21,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:21" (1/1) ... [2019-11-27 09:48:21,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:21,577 INFO L168 Benchmark]: Toolchain (without parser) took 606.63 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:21,578 INFO L168 Benchmark]: CDTParser took 1.44 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 09:48:21,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.86 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. [2019-11-27 09:48:21,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.61 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 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:21,599 INFO L168 Benchmark]: Boogie Preprocessor took 50.81 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 09:48:21,611 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 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 428.86 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 117.61 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 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.81 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:24,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:24,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:24,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:24,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:24,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:24,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:24,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:24,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:24,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:24,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:24,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:24,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:24,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:24,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:24,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:24,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:24,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:24,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:24,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:24,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:24,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:24,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:24,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:24,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:24,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:24,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:24,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:24,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:24,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:24,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:24,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:24,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:24,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:24,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:24,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:24,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:24,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:24,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:24,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:24,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:24,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:48:24,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:24,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:24,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:24,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:24,534 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:24,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:24,537 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:24,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:24,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:24,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:24,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:24,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:24,539 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:48:24,539 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:48:24,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:24,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:24,542 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:24,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:24,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:24,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:24,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:24,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:24,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:24,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:24,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:24,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:24,545 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:48:24,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:48:24,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:24,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:48:24,549 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 -> 16de9293a0e84e3b3a329f13e1e1507a400214f0 [2019-11-27 09:48:24,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:25,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:25,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:25,028 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:25,031 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:25,032 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2019-11-27 09:48:25,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa23ebf5/15eb8eaf008942c8a68e794bc2aea16d/FLAGf0015e207 [2019-11-27 09:48:25,852 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:25,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2019-11-27 09:48:25,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa23ebf5/15eb8eaf008942c8a68e794bc2aea16d/FLAGf0015e207 [2019-11-27 09:48:26,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa23ebf5/15eb8eaf008942c8a68e794bc2aea16d [2019-11-27 09:48:26,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:26,193 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:26,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:26,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:26,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:26,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da8f6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26, skipping insertion in model container [2019-11-27 09:48:26,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:26,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:26,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:26,611 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:26,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:26,738 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:26,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26 WrapperNode [2019-11-27 09:48:26,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:26,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:26,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:26,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:26,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:26,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:26,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:26,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:26,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:26" (1/1) ... [2019-11-27 09:48:26,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:26,853 INFO L168 Benchmark]: Toolchain (without parser) took 657.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 989.7 MB in the end (delta: -32.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:26,854 INFO L168 Benchmark]: CDTParser took 0.27 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 09:48:26,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 989.7 MB in the end (delta: -32.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:26,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.23 ms. Allocated memory is still 1.0 GB. Free memory is still 989.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:26,860 INFO L168 Benchmark]: Boogie Preprocessor took 57.59 ms. Allocated memory is still 1.0 GB. Free memory is still 989.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:26,864 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 552.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 989.7 MB in the end (delta: -32.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 40.23 ms. Allocated memory is still 1.0 GB. Free memory is still 989.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.59 ms. Allocated memory is still 1.0 GB. Free memory is still 989.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...