./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-esbmc-regression/fabs_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/floats-esbmc-regression/fabs_true-unreach-call.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 e96f7460ddf7c6067a0934eb08c9c2b5df3d659b ........................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: 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 /storage/repos/svcomp/c/floats-esbmc-regression/fabs_true-unreach-call.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 e96f7460ddf7c6067a0934eb08c9c2b5df3d659b ............................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:35:13,331 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:35:13,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:35:13,347 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:35:13,347 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:35:13,348 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:35:13,349 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:35:13,351 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:35:13,353 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:35:13,354 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:35:13,355 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:35:13,355 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:35:13,356 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:35:13,357 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:35:13,358 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:35:13,359 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:35:13,360 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:35:13,362 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:35:13,364 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:35:13,365 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:35:13,366 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:35:13,368 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:35:13,370 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:35:13,371 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:35:13,371 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:35:13,372 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:35:13,373 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:35:13,373 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:35:13,374 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:35:13,375 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:35:13,376 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:35:13,376 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:35:13,376 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:35:13,377 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:35:13,380 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:35:13,381 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:35:13,382 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:35:13,411 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:35:13,412 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:35:13,414 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:35:13,416 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:35:13,416 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:35:13,416 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:35:13,417 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:35:13,418 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:35:13,418 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:35:13,418 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:35:13,418 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:35:13,419 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:35:13,419 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:35:13,419 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:35:13,420 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:35:13,420 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:35:13,420 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:35:13,420 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:35:13,422 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:35:13,423 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:35:13,423 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:35:13,423 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:35:13,423 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:35:13,423 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:35:13,425 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:35:13,425 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:35:13,425 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:35:13,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:35:13,425 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> e96f7460ddf7c6067a0934eb08c9c2b5df3d659b [2018-12-31 03:35:13,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:35:13,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:35:13,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:35:13,520 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:35:13,520 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:35:13,522 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-esbmc-regression/fabs_true-unreach-call.i [2018-12-31 03:35:13,587 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99991af71/0525fea76ea6485e856bbac506c1d2e3/FLAGdb2c38d9d [2018-12-31 03:35:14,146 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:35:14,146 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-esbmc-regression/fabs_true-unreach-call.i [2018-12-31 03:35:14,167 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99991af71/0525fea76ea6485e856bbac506c1d2e3/FLAGdb2c38d9d [2018-12-31 03:35:14,391 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99991af71/0525fea76ea6485e856bbac506c1d2e3 [2018-12-31 03:35:14,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:35:14,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:35:14,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:35:14,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:35:14,405 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:35:14,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:35:14" (1/1) ... [2018-12-31 03:35:14,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1acbee6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:14, skipping insertion in model container [2018-12-31 03:35:14,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:35:14" (1/1) ... [2018-12-31 03:35:14,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:35:14,470 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:35:14,971 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1678) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:679) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1328) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1272) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:964) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3447) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-31 03:35:14,981 INFO L168 Benchmark]: Toolchain (without parser) took 585.18 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:35:14,984 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:35:14,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.49 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:35:14,988 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 580.49 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:35:17,217 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:35:17,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:35:17,231 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:35:17,232 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:35:17,233 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:35:17,234 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:35:17,237 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:35:17,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:35:17,241 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:35:17,242 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:35:17,242 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:35:17,243 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:35:17,244 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:35:17,246 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:35:17,246 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:35:17,248 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:35:17,249 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:35:17,252 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:35:17,254 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:35:17,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:35:17,257 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:35:17,260 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:35:17,260 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:35:17,260 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:35:17,261 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:35:17,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:35:17,264 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:35:17,264 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:35:17,266 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:35:17,266 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:35:17,267 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:35:17,267 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:35:17,267 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:35:17,269 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:35:17,270 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:35:17,270 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:35:17,298 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:35:17,299 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:35:17,300 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:35:17,300 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:35:17,300 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:35:17,302 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:35:17,303 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:35:17,303 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:35:17,304 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:35:17,304 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:35:17,304 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:35:17,304 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:35:17,304 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:35:17,304 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:35:17,305 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:35:17,305 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:35:17,306 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:35:17,306 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:35:17,306 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:35:17,306 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:35:17,306 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:35:17,306 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:35:17,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:35:17,307 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:35:17,307 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:35:17,307 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:35:17,307 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:35:17,308 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:35:17,311 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:35:17,311 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:35:17,311 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> e96f7460ddf7c6067a0934eb08c9c2b5df3d659b [2018-12-31 03:35:17,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:35:17,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:35:17,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:35:17,383 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:35:17,384 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:35:17,385 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-esbmc-regression/fabs_true-unreach-call.i [2018-12-31 03:35:17,457 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d6f281f/70ff707883a9471bb26e95debefc6c0c/FLAG4fc7c441f [2018-12-31 03:35:18,101 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:35:18,104 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-esbmc-regression/fabs_true-unreach-call.i [2018-12-31 03:35:18,120 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d6f281f/70ff707883a9471bb26e95debefc6c0c/FLAG4fc7c441f [2018-12-31 03:35:18,318 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d6f281f/70ff707883a9471bb26e95debefc6c0c [2018-12-31 03:35:18,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:35:18,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:35:18,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:35:18,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:35:18,332 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:35:18,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:35:18" (1/1) ... [2018-12-31 03:35:18,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a975e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:18, skipping insertion in model container [2018-12-31 03:35:18,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:35:18" (1/1) ... [2018-12-31 03:35:18,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:35:18,412 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:35:18,982 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:35:18,991 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:35:19,033 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:35:19,408 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:35:19,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:19 WrapperNode [2018-12-31 03:35:19,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:35:19,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:35:19,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:35:19,411 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:35:19,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:19" (1/1) ... [2018-12-31 03:35:19,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:19" (1/1) ... [2018-12-31 03:35:19,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:35:19,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:35:19,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:35:19,557 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:35:19,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:19" (1/1) ... [2018-12-31 03:35:19,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:19" (1/1) ... [2018-12-31 03:35:19,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:19" (1/1) ... [2018-12-31 03:35:19,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:19" (1/1) ... [2018-12-31 03:35:19,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:19" (1/1) ... [2018-12-31 03:35:19,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:19" (1/1) ... [2018-12-31 03:35:19,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:19" (1/1) ... [2018-12-31 03:35:19,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:35:19,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:35:19,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:35:19,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:35:19,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:35:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:35:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:35:20,015 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:35:20,018 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-31 03:35:20,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:35:20 BoogieIcfgContainer [2018-12-31 03:35:20,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:35:20,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:35:20,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:35:20,030 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:35:20,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:35:18" (1/3) ... [2018-12-31 03:35:20,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5926f219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:35:20, skipping insertion in model container [2018-12-31 03:35:20,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:35:19" (2/3) ... [2018-12-31 03:35:20,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5926f219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:35:20, skipping insertion in model container [2018-12-31 03:35:20,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:35:20" (3/3) ... [2018-12-31 03:35:20,040 INFO L112 eAbstractionObserver]: Analyzing ICFG fabs_true-unreach-call.i [2018-12-31 03:35:20,053 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:35:20,063 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-12-31 03:35:20,082 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-12-31 03:35:20,118 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:35:20,119 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:35:20,119 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:35:20,119 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:35:20,119 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:35:20,119 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:35:20,120 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:35:20,120 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:35:20,121 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:35:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-12-31 03:35:20,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-31 03:35:20,147 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:35:20,148 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-31 03:35:20,153 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:35:20,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:35:20,164 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2018-12-31 03:35:20,169 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:35:20,170 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-12-31 03:35:20,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 03:35:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:35:20,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:35:20,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:35:20,330 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:35:20,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:35:20,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:35:20,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 03:35:20,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 03:35:20,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 03:35:20,363 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 3 states. [2018-12-31 03:35:20,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:35:20,469 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2018-12-31 03:35:20,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 03:35:20,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-12-31 03:35:20,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:35:20,479 INFO L225 Difference]: With dead ends: 40 [2018-12-31 03:35:20,479 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 03:35:20,483 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 03:35:20,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 03:35:20,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 03:35:20,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 03:35:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 03:35:20,512 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2018-12-31 03:35:20,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:35:20,513 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 03:35:20,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 03:35:20,513 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 03:35:20,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 03:35:20,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 03:35:20,577 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,578 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 03:35:20,578 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 03:35:20,578 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,578 INFO L448 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,578 INFO L448 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,578 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 03:35:20,579 INFO L444 ceAbstractionStarter]: At program point L867-3(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2018-12-31 03:35:20,579 INFO L448 ceAbstractionStarter]: For program point L867-4(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,579 INFO L448 ceAbstractionStarter]: For program point L867-5(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,579 INFO L444 ceAbstractionStarter]: At program point L867-7(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2018-12-31 03:35:20,580 INFO L448 ceAbstractionStarter]: For program point L867-8(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,580 INFO L448 ceAbstractionStarter]: For program point L867-9(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,580 INFO L444 ceAbstractionStarter]: At program point L867-11(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2018-12-31 03:35:20,580 INFO L448 ceAbstractionStarter]: For program point L867-12(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,580 INFO L448 ceAbstractionStarter]: For program point L867-13(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,580 INFO L444 ceAbstractionStarter]: At program point L867-15(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2018-12-31 03:35:20,580 INFO L448 ceAbstractionStarter]: For program point L867-16(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,582 INFO L448 ceAbstractionStarter]: For program point L867-17(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,582 INFO L444 ceAbstractionStarter]: At program point L867-19(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2018-12-31 03:35:20,582 INFO L448 ceAbstractionStarter]: For program point L867-20(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,583 INFO L448 ceAbstractionStarter]: For program point L867-21(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,583 INFO L444 ceAbstractionStarter]: At program point L867-23(lines 1 877) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2018-12-31 03:35:20,583 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,583 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,583 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,584 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2018-12-31 03:35:20,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:35:20 BoogieIcfgContainer [2018-12-31 03:35:20,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:35:20,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:35:20,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:35:20,601 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:35:20,603 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:35:20" (3/4) ... [2018-12-31 03:35:20,607 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 03:35:20,619 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-31 03:35:20,620 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 03:35:20,677 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 03:35:20,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:35:20,678 INFO L168 Benchmark]: Toolchain (without parser) took 2354.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:35:20,681 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:35:20,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1082.90 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 827.9 MB in the end (delta: 119.5 MB). Peak memory consumption was 119.5 MB. Max. memory is 11.5 GB. [2018-12-31 03:35:20,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 827.9 MB in the beginning and 1.1 GB in the end (delta: -299.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-12-31 03:35:20,683 INFO L168 Benchmark]: Boogie Preprocessor took 27.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:35:20,684 INFO L168 Benchmark]: RCFGBuilder took 433.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:35:20,684 INFO L168 Benchmark]: TraceAbstraction took 577.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:35:20,686 INFO L168 Benchmark]: Witness Printer took 76.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:35:20,690 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1082.90 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 827.9 MB in the end (delta: 119.5 MB). Peak memory consumption was 119.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 146.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 827.9 MB in the beginning and 1.1 GB in the end (delta: -299.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 433.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 577.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * Witness Printer took 76.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 6 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 18 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...