./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/loop2-2.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 58e1d3bec81eee030ba2b06fbc318bd6149780af ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop2-2.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 58e1d3bec81eee030ba2b06fbc318bd6149780af .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:10:09,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:09,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:09,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:09,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:09,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:09,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:09,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:09,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:09,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:09,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:09,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:09,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:09,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:09,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:09,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:09,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:09,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:09,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:09,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:09,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:09,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:09,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:09,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:09,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:09,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:09,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:09,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:09,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:09,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:09,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:09,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:09,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:09,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:09,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:09,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:09,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:09,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:09,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:09,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:09,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:09,392 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:09,448 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:09,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:09,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:09,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:09,457 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:09,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:09,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:09,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:09,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:09,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:09,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:09,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:09,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:09,465 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:09,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:09,466 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:09,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:09,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:09,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:09,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:09,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:09,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:09,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:09,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:09,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:09,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:09,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:09,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:09,476 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 -> 58e1d3bec81eee030ba2b06fbc318bd6149780af [2019-11-27 16:10:10,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:10,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:10,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:10,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:10,043 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:10,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c [2019-11-27 16:10:10,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a2889a25/85490b1d47f54452a371edc01020a91a/FLAG6c534593b [2019-11-27 16:10:11,216 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:11,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c [2019-11-27 16:10:11,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a2889a25/85490b1d47f54452a371edc01020a91a/FLAG6c534593b [2019-11-27 16:10:11,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a2889a25/85490b1d47f54452a371edc01020a91a [2019-11-27 16:10:11,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:11,264 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:11,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:11,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:11,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:11,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:11" (1/1) ... [2019-11-27 16:10:11,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7b7afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:11, skipping insertion in model container [2019-11-27 16:10:11,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:11" (1/1) ... [2019-11-27 16:10:11,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:11,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:11,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:11,834 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:11,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:11,894 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:11,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:11 WrapperNode [2019-11-27 16:10:11,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:11,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:11,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:11,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:12,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:11" (1/1) ... [2019-11-27 16:10:12,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:11" (1/1) ... [2019-11-27 16:10:12,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:12,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:12,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:12,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:12,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:11" (1/1) ... [2019-11-27 16:10:12,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:11" (1/1) ... [2019-11-27 16:10:12,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:11" (1/1) ... [2019-11-27 16:10:12,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:11" (1/1) ... [2019-11-27 16:10:12,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:11" (1/1) ... [2019-11-27 16:10:12,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:11" (1/1) ... [2019-11-27 16:10:12,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:11" (1/1) ... [2019-11-27 16:10:12,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:12,125 INFO L168 Benchmark]: Toolchain (without parser) took 854.65 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:12,127 INFO L168 Benchmark]: CDTParser took 0.46 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 16:10:12,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.17 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. [2019-11-27 16:10:12,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.88 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 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:12,136 INFO L168 Benchmark]: Boogie Preprocessor took 65.43 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:12,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 634.17 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 141.88 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 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 65.43 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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 0.1.24-509859d [2019-11-27 16:10:16,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:16,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:16,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:16,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:16,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:16,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:16,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:16,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:16,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:16,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:16,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:16,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:16,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:16,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:16,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:16,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:16,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:16,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:16,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:16,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:16,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:16,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:16,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:16,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:16,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:16,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:16,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:16,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:16,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:16,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:16,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:16,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:16,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:16,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:16,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:16,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:16,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:16,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:16,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:16,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:16,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:16,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:16,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:16,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:16,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:16,265 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:16,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:16,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:16,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:16,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:16,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:16,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:16,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:16,269 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:16,270 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:16,270 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:16,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:16,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:16,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:16,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:16,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:16,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:16,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:16,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:16,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:16,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:16,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:16,279 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:16,279 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:16,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:16,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:16,281 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 -> 58e1d3bec81eee030ba2b06fbc318bd6149780af [2019-11-27 16:10:16,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:16,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:16,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:16,889 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:16,890 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:16,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c [2019-11-27 16:10:17,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7eb947d4/e18a3407540d4a81b98fbb80918376d4/FLAGca52f3ad4 [2019-11-27 16:10:18,090 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:18,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c [2019-11-27 16:10:18,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7eb947d4/e18a3407540d4a81b98fbb80918376d4/FLAGca52f3ad4 [2019-11-27 16:10:18,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7eb947d4/e18a3407540d4a81b98fbb80918376d4 [2019-11-27 16:10:18,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:18,161 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:18,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:18,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:18,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:18,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:18" (1/1) ... [2019-11-27 16:10:18,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197a930a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:18, skipping insertion in model container [2019-11-27 16:10:18,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:18" (1/1) ... [2019-11-27 16:10:18,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:18,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:18,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:18,760 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:18,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:18,959 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:18,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:18 WrapperNode [2019-11-27 16:10:18,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:18,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:18,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:18,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:18,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:18" (1/1) ... [2019-11-27 16:10:19,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:18" (1/1) ... [2019-11-27 16:10:19,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:19,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:19,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:19,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:19,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:18" (1/1) ... [2019-11-27 16:10:19,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:18" (1/1) ... [2019-11-27 16:10:19,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:18" (1/1) ... [2019-11-27 16:10:19,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:18" (1/1) ... [2019-11-27 16:10:19,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:18" (1/1) ... [2019-11-27 16:10:19,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:18" (1/1) ... [2019-11-27 16:10:19,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:18" (1/1) ... [2019-11-27 16:10:19,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:19,146 INFO L168 Benchmark]: Toolchain (without parser) took 982.09 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 991.1 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:19,148 INFO L168 Benchmark]: CDTParser took 1.98 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:19,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.29 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:19,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.02 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:19,158 INFO L168 Benchmark]: Boogie Preprocessor took 101.29 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:19,173 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.98 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 797.29 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 75.02 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 101.29 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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...