./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter2_reinit.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/float-benchs/filter2_reinit.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 ced428c286e7374c71f15ab90db217e774f0efec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/float-benchs/filter2_reinit.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 ced428c286e7374c71f15ab90db217e774f0efec ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:06:56,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:56,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:56,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:56,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:56,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:56,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:56,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:56,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:56,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:56,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:56,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:56,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:56,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:56,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:56,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:56,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:56,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:56,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:56,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:56,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:56,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:56,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:56,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:56,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:56,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:56,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:56,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:56,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:56,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:56,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:56,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:56,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:56,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:56,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:56,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:56,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:56,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:56,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:56,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:56,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:56,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:06:56,530 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:56,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:56,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:56,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:56,541 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:56,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:56,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:56,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:06:56,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:56,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:56,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:56,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:56,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:56,548 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:56,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:56,552 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:56,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:56,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:56,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:56,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:56,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:56,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:56,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:56,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:56,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:56,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:06:56,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:06:56,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:56,562 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 -> ced428c286e7374c71f15ab90db217e774f0efec [2019-11-27 16:06:57,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:57,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:57,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:57,158 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:57,162 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:57,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_reinit.c [2019-11-27 16:06:57,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3fc3b909/ffa36bb8aa4a49a28d30828f3c4d3989/FLAGcf4109441 [2019-11-27 16:06:58,372 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:58,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_reinit.c [2019-11-27 16:06:58,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3fc3b909/ffa36bb8aa4a49a28d30828f3c4d3989/FLAGcf4109441 [2019-11-27 16:06:58,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3fc3b909/ffa36bb8aa4a49a28d30828f3c4d3989 [2019-11-27 16:06:58,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:58,437 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:58,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:58,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:58,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:58,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:58" (1/1) ... [2019-11-27 16:06:58,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:58, skipping insertion in model container [2019-11-27 16:06:58,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:58" (1/1) ... [2019-11-27 16:06:58,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:58,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:58,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:58,991 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:59,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:59,075 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:59,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59 WrapperNode [2019-11-27 16:06:59,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:59,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:59,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:59,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:59,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:59,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:59,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:59,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:59,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:59" (1/1) ... [2019-11-27 16:06:59,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:59,316 INFO L168 Benchmark]: Toolchain (without parser) took 873.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:59,320 INFO L168 Benchmark]: CDTParser took 0.53 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 16:06:59,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.06 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 16:06:59,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.01 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 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:59,328 INFO L168 Benchmark]: Boogie Preprocessor took 71.96 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 16:06:59,341 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 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 634.06 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 150.01 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 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.96 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 16:07:03,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:03,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:03,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:03,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:03,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:03,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:03,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:03,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:03,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:03,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:03,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:03,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:03,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:03,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:03,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:03,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:03,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:03,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:03,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:03,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:03,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:03,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:03,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:03,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:03,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:03,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:03,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:03,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:03,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:03,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:03,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:03,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:03,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:03,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:03,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:03,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:03,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:03,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:03,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:03,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:03,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:03,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:03,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:03,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:03,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:03,396 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:03,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:03,397 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:03,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:03,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:03,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:03,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:03,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:03,400 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:03,401 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:03,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:03,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:03,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:03,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:03,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:03,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:03,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:03,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:03,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:03,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:03,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:03,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:03,408 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:03,409 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:03,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:03,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:03,413 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 -> ced428c286e7374c71f15ab90db217e774f0efec [2019-11-27 16:07:03,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:04,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:04,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:04,028 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:04,028 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:04,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_reinit.c [2019-11-27 16:07:04,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13042aa39/46bf39c30a0e4ee8aee78f946dce81f3/FLAGd792fc884 [2019-11-27 16:07:05,270 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:05,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_reinit.c [2019-11-27 16:07:05,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13042aa39/46bf39c30a0e4ee8aee78f946dce81f3/FLAGd792fc884 [2019-11-27 16:07:05,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13042aa39/46bf39c30a0e4ee8aee78f946dce81f3 [2019-11-27 16:07:05,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:05,344 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:05,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:05,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:05,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:05,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:05" (1/1) ... [2019-11-27 16:07:05,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:05, skipping insertion in model container [2019-11-27 16:07:05,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:05" (1/1) ... [2019-11-27 16:07:05,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:05,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:05,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:05,955 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:06,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:06,165 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:06,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06 WrapperNode [2019-11-27 16:07:06,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:06,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:06,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:06,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:06,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:06,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:06,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:06,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:06,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:06" (1/1) ... [2019-11-27 16:07:06,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:06,375 INFO L168 Benchmark]: Toolchain (without parser) took 1031.83 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. [2019-11-27 16:07:06,377 INFO L168 Benchmark]: CDTParser took 2.70 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 16:07:06,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.62 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. [2019-11-27 16:07:06,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.68 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. [2019-11-27 16:07:06,382 INFO L168 Benchmark]: Boogie Preprocessor took 82.97 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. [2019-11-27 16:07:06,402 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.70 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 823.62 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 115.68 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 82.97 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...