./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_7.i --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/floats-cdfpl/square_7.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 606eec17d7532a4390087f1369eab3dc14272ffb .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cdfpl/square_7.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 606eec17d7532a4390087f1369eab3dc14272ffb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:06:26,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:26,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:26,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:26,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:26,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:26,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:26,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:26,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:26,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:26,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:26,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:26,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:26,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:26,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:26,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:26,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:26,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:26,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:26,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:26,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:26,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:26,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:26,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:26,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:26,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:26,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:26,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:26,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:26,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:26,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:26,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:26,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:26,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:26,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:26,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:26,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:26,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:26,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:26,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:26,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:26,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:06:26,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:26,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:26,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:26,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:26,436 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:26,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:26,436 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:26,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:06:26,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:26,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:26,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:26,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:26,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:26,443 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:26,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:26,445 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:26,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:26,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:26,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:26,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:26,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:26,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:26,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:26,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:26,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:26,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:06:26,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:06:26,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:26,455 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 -> 606eec17d7532a4390087f1369eab3dc14272ffb [2019-11-27 16:06:27,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:27,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:27,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:27,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:27,077 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:27,079 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_7.i [2019-11-27 16:06:27,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f898d0ee0/c7c63c3f58df452ba712d44e314bd90a/FLAG69ea79697 [2019-11-27 16:06:28,306 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:28,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_7.i [2019-11-27 16:06:28,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f898d0ee0/c7c63c3f58df452ba712d44e314bd90a/FLAG69ea79697 [2019-11-27 16:06:28,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f898d0ee0/c7c63c3f58df452ba712d44e314bd90a [2019-11-27 16:06:28,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:28,375 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:28,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:28,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:28,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:28,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12219ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:28, skipping insertion in model container [2019-11-27 16:06:28,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:28,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:28,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:28,955 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:29,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:29,040 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:29,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29 WrapperNode [2019-11-27 16:06:29,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:29,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:29,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:29,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:29,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:29,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:29,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:29,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:29,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:29,265 INFO L168 Benchmark]: Toolchain (without parser) took 885.82 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:29,281 INFO L168 Benchmark]: CDTParser took 2.44 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 16:06:29,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.22 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 16:06:29,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:29,292 INFO L168 Benchmark]: Boogie Preprocessor took 43.04 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:29,303 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.44 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 664.22 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 168.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.04 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 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 16:06:33,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:33,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:33,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:33,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:33,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:33,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:33,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:33,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:33,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:33,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:33,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:33,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:33,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:33,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:33,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:33,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:33,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:33,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:33,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:33,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:33,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:33,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:33,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:33,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:33,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:33,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:33,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:33,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:33,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:33,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:33,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:33,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:33,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:33,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:33,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:33,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:33,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:33,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:33,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:33,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:33,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:06:33,370 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:33,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:33,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:33,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:33,376 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:33,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:33,379 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:33,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:33,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:33,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:33,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:33,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:33,384 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:06:33,384 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:06:33,385 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:33,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:33,385 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:33,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:33,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:33,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:33,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:33,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:33,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:33,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:33,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:33,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:33,392 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:06:33,392 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:06:33,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:33,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:06:33,394 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 -> 606eec17d7532a4390087f1369eab3dc14272ffb [2019-11-27 16:06:33,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:34,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:34,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:34,043 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:34,044 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:34,047 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_7.i [2019-11-27 16:06:34,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c196b2ccc/881320ed8b2d453e9edcc4d82e2fd0af/FLAGeea388871 [2019-11-27 16:06:35,264 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:35,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_7.i [2019-11-27 16:06:35,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c196b2ccc/881320ed8b2d453e9edcc4d82e2fd0af/FLAGeea388871 [2019-11-27 16:06:35,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c196b2ccc/881320ed8b2d453e9edcc4d82e2fd0af [2019-11-27 16:06:35,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:35,336 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:35,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:35,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:35,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:35,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a729642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35, skipping insertion in model container [2019-11-27 16:06:35,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:35,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:35,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:35,913 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:35,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:35,990 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:35,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35 WrapperNode [2019-11-27 16:06:35,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:36,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:36,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:36,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:36,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:36,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:36,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:36,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:36,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:36,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:36,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:36,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:36,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:36,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:36,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:36,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:36,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:36,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:36,276 INFO L168 Benchmark]: Toolchain (without parser) took 935.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:36,278 INFO L168 Benchmark]: CDTParser took 0.39 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 16:06:36,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.06 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:36,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:36,300 INFO L168 Benchmark]: Boogie Preprocessor took 62.50 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 16:06:36,314 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 661.06 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 198.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.50 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...