./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/fabs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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-esbmc-regression/fabs.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: /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-esbmc-regression/fabs.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 0.1.24-30f4e4a [2019-11-27 23:39:34,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:39:34,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:39:34,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:39:34,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:39:34,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:39:34,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:39:34,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:39:34,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:39:34,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:39:34,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:39:34,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:39:34,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:39:34,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:39:34,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:39:34,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:39:34,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:39:34,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:39:34,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:39:34,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:39:34,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:39:34,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:39:34,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:39:34,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:39:34,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:39:34,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:39:34,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:39:34,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:39:34,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:39:34,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:39:34,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:39:34,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:39:34,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:39:34,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:39:34,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:39:34,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:39:34,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:39:34,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:39:34,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:39:34,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:39:34,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:39:34,384 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:39:34,401 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:39:34,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:39:34,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:39:34,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:39:34,404 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:39:34,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:39:34,404 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:39:34,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:39:34,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:39:34,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:39:34,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:39:34,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:39:34,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:39:34,406 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:39:34,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:39:34,407 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:39:34,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:39:34,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:39:34,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:39:34,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:39:34,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:39:34,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:39:34,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:39:34,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:39:34,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:39:34,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:39:34,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:39:34,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:39:34,411 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 -> e96f7460ddf7c6067a0934eb08c9c2b5df3d659b [2019-11-27 23:39:34,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:39:34,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:39:34,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:39:34,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:39:34,750 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:39:34,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/fabs.i [2019-11-27 23:39:34,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a29ceb9/c3fcb1184ae143a88d87065117654fd1/FLAG976b081b8 [2019-11-27 23:39:35,433 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:39:35,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2019-11-27 23:39:35,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a29ceb9/c3fcb1184ae143a88d87065117654fd1/FLAG976b081b8 [2019-11-27 23:39:35,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a29ceb9/c3fcb1184ae143a88d87065117654fd1 [2019-11-27 23:39:35,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:39:35,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:39:35,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:39:35,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:39:35,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:39:35,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:39:35" (1/1) ... [2019-11-27 23:39:35,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5778aac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:35, skipping insertion in model container [2019-11-27 23:39:35,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:39:35" (1/1) ... [2019-11-27 23:39:35,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:39:35,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:39:36,474 FATAL L? ?]: 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:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1645) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) 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:697) 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.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) 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:1392) 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:1336) 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:1029) 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:1407) 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:3464) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-27 23:39:36,483 INFO L168 Benchmark]: Toolchain (without parser) took 776.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:39:36,484 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:39:36,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:39:36,489 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 772.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 26.8 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:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:39:38,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:39:38,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:39:38,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:39:38,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:39:38,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:39:38,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:39:38,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:39:38,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:39:38,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:39:38,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:39:38,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:39:38,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:39:38,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:39:38,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:39:38,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:39:38,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:39:38,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:39:38,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:39:38,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:39:38,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:39:38,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:39:38,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:39:38,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:39:38,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:39:38,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:39:38,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:39:38,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:39:38,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:39:38,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:39:38,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:39:38,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:39:38,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:39:38,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:39:38,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:39:38,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:39:38,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:39:38,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:39:38,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:39:38,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:39:38,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:39:38,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:39:38,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:39:38,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:39:38,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:39:38,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:39:38,425 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:39:38,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:39:38,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:39:38,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:39:38,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:39:38,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:39:38,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:39:38,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:39:38,428 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:39:38,429 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:39:38,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:39:38,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:39:38,430 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:39:38,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:39:38,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:39:38,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:39:38,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:39:38,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:39:38,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:39:38,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:39:38,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:39:38,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:39:38,432 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:39:38,433 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:39:38,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:39:38,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:39:38,434 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 -> e96f7460ddf7c6067a0934eb08c9c2b5df3d659b [2019-11-27 23:39:38,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:39:38,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:39:38,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:39:38,771 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:39:38,772 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:39:38,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/fabs.i [2019-11-27 23:39:38,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8ef4474e/e9402c8f6607499c83153ca928188a69/FLAGbb7574e11 [2019-11-27 23:39:39,429 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:39:39,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2019-11-27 23:39:39,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8ef4474e/e9402c8f6607499c83153ca928188a69/FLAGbb7574e11 [2019-11-27 23:39:39,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8ef4474e/e9402c8f6607499c83153ca928188a69 [2019-11-27 23:39:39,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:39:39,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:39:39,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:39:39,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:39:39,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:39:39,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:39:39" (1/1) ... [2019-11-27 23:39:39,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e7655c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:39, skipping insertion in model container [2019-11-27 23:39:39,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:39:39" (1/1) ... [2019-11-27 23:39:39,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:39:39,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:39:40,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:39:40,348 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:39:40,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:39:40,871 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:39:40,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:40 WrapperNode [2019-11-27 23:39:40,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:39:40,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:39:40,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:39:40,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:39:40,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:40" (1/1) ... [2019-11-27 23:39:40,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:40" (1/1) ... [2019-11-27 23:39:40,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:39:40,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:39:40,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:39:40,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:39:40,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:40" (1/1) ... [2019-11-27 23:39:40,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:40" (1/1) ... [2019-11-27 23:39:40,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:40" (1/1) ... [2019-11-27 23:39:40,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:40" (1/1) ... [2019-11-27 23:39:40,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:40" (1/1) ... [2019-11-27 23:39:41,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:40" (1/1) ... [2019-11-27 23:39:41,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:40" (1/1) ... [2019-11-27 23:39:41,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:39:41,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:39:41,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:39:41,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:39:41,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:40" (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 [2019-11-27 23:39:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:39:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:39:41,334 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:39:41,335 INFO L297 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-27 23:39:41,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:39:41 BoogieIcfgContainer [2019-11-27 23:39:41,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:39:41,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:39:41,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:39:41,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:39:41,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:39:39" (1/3) ... [2019-11-27 23:39:41,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed94120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:39:41, skipping insertion in model container [2019-11-27 23:39:41,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:40" (2/3) ... [2019-11-27 23:39:41,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed94120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:39:41, skipping insertion in model container [2019-11-27 23:39:41,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:39:41" (3/3) ... [2019-11-27 23:39:41,366 INFO L109 eAbstractionObserver]: Analyzing ICFG fabs.i [2019-11-27 23:39:41,380 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:39:41,389 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-27 23:39:41,409 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-27 23:39:41,455 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:39:41,456 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:39:41,456 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:39:41,456 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:39:41,457 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:39:41,457 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:39:41,457 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:39:41,457 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:39:41,473 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-27 23:39:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-27 23:39:41,479 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:39:41,480 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-27 23:39:41,481 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:39:41,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:39:41,488 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-11-27 23:39:41,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:39:41,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122289355] [2019-11-27 23:39:41,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-27 23:39:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:39:41,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-27 23:39:41,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:39:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:39:41,648 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:39:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:39:41,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122289355] [2019-11-27 23:39:41,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:39:41,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-27 23:39:41,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591572707] [2019-11-27 23:39:41,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:39:41,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:39:41,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:39:41,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:39:41,692 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2019-11-27 23:39:41,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:39:41,772 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2019-11-27 23:39:41,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:39:41,774 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-27 23:39:41,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:39:41,780 INFO L225 Difference]: With dead ends: 41 [2019-11-27 23:39:41,781 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:39:41,784 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:39:41,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:39:41,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:39:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:39:41,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:39:41,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-27 23:39:41,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:39:41,807 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:39:41,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:39:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:39:41,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:39:42,008 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:39:42,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:39:42,076 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,076 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,077 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:39:42,077 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,077 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:39:42,077 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:39:42,077 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,077 INFO L246 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,078 INFO L246 CegarLoopResult]: For program point L867-1(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,078 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:39:42,078 INFO L242 CegarLoopResult]: At program point L867-3(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-27 23:39:42,078 INFO L246 CegarLoopResult]: For program point L867-4(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,078 INFO L246 CegarLoopResult]: For program point L867-5(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,079 INFO L242 CegarLoopResult]: At program point L867-7(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-27 23:39:42,079 INFO L246 CegarLoopResult]: For program point L867-8(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,079 INFO L246 CegarLoopResult]: For program point L867-9(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,079 INFO L242 CegarLoopResult]: At program point L867-11(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-27 23:39:42,079 INFO L246 CegarLoopResult]: For program point L867-12(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,079 INFO L246 CegarLoopResult]: For program point L867-13(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,080 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,080 INFO L242 CegarLoopResult]: At program point L867-15(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-27 23:39:42,080 INFO L246 CegarLoopResult]: For program point L867-16(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,080 INFO L246 CegarLoopResult]: For program point L867-17(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,081 INFO L242 CegarLoopResult]: At program point L867-19(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-27 23:39:42,081 INFO L246 CegarLoopResult]: For program point L867-20(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,081 INFO L246 CegarLoopResult]: For program point L867-21(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,081 INFO L242 CegarLoopResult]: At program point L867-23(lines 1 877) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-27 23:39:42,082 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-27 23:39:42,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:39:42 BoogieIcfgContainer [2019-11-27 23:39:42,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:39:42,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:39:42,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:39:42,099 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:39:42,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:39:41" (3/4) ... [2019-11-27 23:39:42,104 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:39:42,118 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-27 23:39:42,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:39:42,171 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:39:42,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:39:42,174 INFO L168 Benchmark]: Toolchain (without parser) took 2476.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.0 MB in the beginning and 969.4 MB in the end (delta: -18.4 MB). Peak memory consumption was 120.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:39:42,174 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:39:42,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1174.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -74.9 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:39:42,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:39:42,176 INFO L168 Benchmark]: Boogie Preprocessor took 44.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:39:42,177 INFO L168 Benchmark]: RCFGBuilder took 333.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:39:42,178 INFO L168 Benchmark]: TraceAbstraction took 756.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 976.0 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:39:42,179 INFO L168 Benchmark]: Witness Printer took 72.48 ms. Allocated memory is still 1.2 GB. Free memory was 976.0 MB in the beginning and 969.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:39:42,182 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1174.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -74.9 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 333.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 756.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 976.0 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Witness Printer took 72.48 ms. Allocated memory is still 1.2 GB. Free memory was 976.0 MB in the beginning and 969.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. 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: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 6 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 16 SDslu, 1 SDs, 0 SdLazy, 6 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 30 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 4 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...