./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/fabs.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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 -ea -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 0.1.25-8bd4bc6 [2020-07-28 17:31:23,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:31:23,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:31:23,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:31:23,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:31:23,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:31:23,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:31:23,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:31:23,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:31:23,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:31:23,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:31:23,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:31:23,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:31:23,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:31:23,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:31:23,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:31:23,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:31:23,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:31:23,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:31:23,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:31:23,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:31:23,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:31:23,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:31:23,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:31:23,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:31:23,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:31:23,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:31:23,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:31:23,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:31:23,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:31:23,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:31:23,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:31:23,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:31:23,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:31:23,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:31:23,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:31:23,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:31:23,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:31:23,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:31:23,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:31:23,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:31:23,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:31:23,453 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:31:23,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:31:23,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:31:23,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:31:23,458 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:31:23,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:31:23,458 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:31:23,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:31:23,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:31:23,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:31:23,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:31:23,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:31:23,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:31:23,462 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:31:23,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:31:23,463 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:31:23,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:31:23,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:31:23,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:31:23,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:31:23,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:31:23,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:31:23,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:31:23,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:31:23,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:31:23,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:31:23,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:31:23,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:31:23,467 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:31:23,467 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 [2020-07-28 17:31:23,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:31:23,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:31:23,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:31:23,835 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:31:23,838 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:31:23,839 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/fabs.i [2020-07-28 17:31:23,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66e376845/0da65f6aabce4118b236bf6cb75cc07c/FLAGa93a9fdac [2020-07-28 17:31:24,506 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:31:24,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2020-07-28 17:31:24,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66e376845/0da65f6aabce4118b236bf6cb75cc07c/FLAGa93a9fdac [2020-07-28 17:31:24,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66e376845/0da65f6aabce4118b236bf6cb75cc07c [2020-07-28 17:31:24,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:31:24,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:31:24,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:31:24,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:31:24,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:31:24,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:31:24" (1/1) ... [2020-07-28 17:31:24,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161e1e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:24, skipping insertion in model container [2020-07-28 17:31:24,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:31:24" (1/1) ... [2020-07-28 17:31:24,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:31:24,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:31:25,631 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:1652) 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:3469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-28 17:31:25,711 INFO L168 Benchmark]: Toolchain (without parser) took 926.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:31:25,712 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:31:25,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 848.23 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 938.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:31:25,716 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 848.23 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 938.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 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 0.1.25-8bd4bc6 [2020-07-28 17:31:27,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:31:27,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:31:27,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:31:27,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:31:27,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:31:27,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:31:27,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:31:27,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:31:27,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:31:27,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:31:27,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:31:27,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:31:27,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:31:27,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:31:27,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:31:27,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:31:27,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:31:27,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:31:27,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:31:27,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:31:27,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:31:27,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:31:27,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:31:27,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:31:27,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:31:27,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:31:27,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:31:27,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:31:27,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:31:27,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:31:27,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:31:27,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:31:27,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:31:27,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:31:27,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:31:27,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:31:27,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:31:27,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:31:27,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:31:27,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:31:27,637 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:31:27,654 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:31:27,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:31:27,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:31:27,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:31:27,656 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:31:27,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:31:27,657 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:31:27,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:31:27,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:31:27,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:31:27,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:31:27,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:31:27,659 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:31:27,659 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:31:27,659 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:31:27,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:31:27,660 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:31:27,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:31:27,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:31:27,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:31:27,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:31:27,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:31:27,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:31:27,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:31:27,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:31:27,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:31:27,663 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:31:27,663 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:31:27,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:31:27,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:31:27,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:31:27,664 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 [2020-07-28 17:31:27,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:31:27,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:31:27,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:31:27,986 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:31:27,987 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:31:27,988 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/fabs.i [2020-07-28 17:31:28,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377cd7008/aaa2186e0dec43a592b66ce9eb18e807/FLAGa20691e63 [2020-07-28 17:31:28,635 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:31:28,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2020-07-28 17:31:28,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377cd7008/aaa2186e0dec43a592b66ce9eb18e807/FLAGa20691e63 [2020-07-28 17:31:28,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377cd7008/aaa2186e0dec43a592b66ce9eb18e807 [2020-07-28 17:31:28,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:31:28,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:31:28,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:31:28,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:31:28,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:31:28,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:31:28" (1/1) ... [2020-07-28 17:31:28,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521d23df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:28, skipping insertion in model container [2020-07-28 17:31:28,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:31:28" (1/1) ... [2020-07-28 17:31:28,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:31:28,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:31:29,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:31:29,535 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:31:29,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:31:30,060 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:31:30,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:30 WrapperNode [2020-07-28 17:31:30,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:31:30,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:31:30,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:31:30,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:31:30,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:30" (1/1) ... [2020-07-28 17:31:30,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:30" (1/1) ... [2020-07-28 17:31:30,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:31:30,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:31:30,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:31:30,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:31:30,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:30" (1/1) ... [2020-07-28 17:31:30,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:30" (1/1) ... [2020-07-28 17:31:30,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:30" (1/1) ... [2020-07-28 17:31:30,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:30" (1/1) ... [2020-07-28 17:31:30,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:30" (1/1) ... [2020-07-28 17:31:30,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:30" (1/1) ... [2020-07-28 17:31:30,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:30" (1/1) ... [2020-07-28 17:31:30,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:31:30,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:31:30,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:31:30,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:31:30,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:30" (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 [2020-07-28 17:31:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:31:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:31:30,533 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:31:30,533 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-07-28 17:31:30,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:31:30 BoogieIcfgContainer [2020-07-28 17:31:30,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:31:30,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:31:30,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:31:30,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:31:30,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:31:28" (1/3) ... [2020-07-28 17:31:30,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c03cb82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:31:30, skipping insertion in model container [2020-07-28 17:31:30,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:31:30" (2/3) ... [2020-07-28 17:31:30,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c03cb82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:31:30, skipping insertion in model container [2020-07-28 17:31:30,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:31:30" (3/3) ... [2020-07-28 17:31:30,555 INFO L109 eAbstractionObserver]: Analyzing ICFG fabs.i [2020-07-28 17:31:30,573 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:31:30,585 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-07-28 17:31:30,603 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-07-28 17:31:30,634 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:31:30,634 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:31:30,635 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:31:30,635 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:31:30,635 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:31:30,635 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:31:30,636 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:31:30,636 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:31:30,654 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-07-28 17:31:30,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-07-28 17:31:30,662 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:31:30,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-07-28 17:31:30,664 INFO L427 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]=== [2020-07-28 17:31:30,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:31:30,673 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-07-28 17:31:30,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:31:30,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816629914] [2020-07-28 17:31:30,694 INFO L95 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 [2020-07-28 17:31:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:31:30,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-28 17:31:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:31:30,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:31:30,879 INFO L280 TraceCheckUtils]: 0: Hoare triple {31#true} currentRoundingMode := ~roundNearestTiesToEven; {31#true} is VALID [2020-07-28 17:31:30,882 INFO L280 TraceCheckUtils]: 1: Hoare triple {31#true} havoc main_#res;__VERIFIER_assert_#in~cond := (if ~fp.eq~DOUBLE(~fp.abs~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 3.0)), ~to_fp~DOUBLE(currentRoundingMode, 3.0)) then 1bv32 else 0bv32);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {39#(= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:31:30,890 INFO L280 TraceCheckUtils]: 2: Hoare triple {39#(= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == __VERIFIER_assert_~cond; {32#false} is VALID [2020-07-28 17:31:30,891 INFO L280 TraceCheckUtils]: 3: Hoare triple {32#false} assume !false; {32#false} is VALID [2020-07-28 17:31:30,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:31:30,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:31:30,925 INFO L280 TraceCheckUtils]: 3: Hoare triple {32#false} assume !false; {32#false} is VALID [2020-07-28 17:31:30,934 INFO L280 TraceCheckUtils]: 2: Hoare triple {49#(not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))} assume 0bv32 == __VERIFIER_assert_~cond; {32#false} is VALID [2020-07-28 17:31:30,936 INFO L280 TraceCheckUtils]: 1: Hoare triple {31#true} havoc main_#res;__VERIFIER_assert_#in~cond := (if ~fp.eq~DOUBLE(~fp.abs~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 3.0)), ~to_fp~DOUBLE(currentRoundingMode, 3.0)) then 1bv32 else 0bv32);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {49#(not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))} is VALID [2020-07-28 17:31:30,937 INFO L280 TraceCheckUtils]: 0: Hoare triple {31#true} currentRoundingMode := ~roundNearestTiesToEven; {31#true} is VALID [2020-07-28 17:31:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:31:30,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816629914] [2020-07-28 17:31:30,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:31:30,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-07-28 17:31:30,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375618479] [2020-07-28 17:31:30,947 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-07-28 17:31:30,948 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:31:30,952 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 17:31:30,966 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:31:30,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 17:31:30,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:31:30,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 17:31:30,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-28 17:31:30,979 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2020-07-28 17:31:31,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:31:31,138 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2020-07-28 17:31:31,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 17:31:31,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-07-28 17:31:31,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:31:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 17:31:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2020-07-28 17:31:31,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 17:31:31,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2020-07-28 17:31:31,155 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 50 transitions. [2020-07-28 17:31:31,258 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:31:31,266 INFO L225 Difference]: With dead ends: 41 [2020-07-28 17:31:31,266 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:31:31,270 INFO L675 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 [2020-07-28 17:31:31,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:31:31,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:31:31,296 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:31:31,297 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:31:31,297 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:31:31,298 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:31:31,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:31:31,298 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:31:31,299 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:31:31,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:31:31,299 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:31:31,300 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:31:31,300 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:31:31,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:31:31,300 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:31:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:31:31,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:31:31,301 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:31:31,301 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:31:31,302 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:31:31,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:31:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:31:31,304 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-07-28 17:31:31,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:31:31,304 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:31:31,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 17:31:31,305 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:31:31,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:31:31,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:31:31,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:31:31,605 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,606 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,606 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:31:31,606 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,606 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:31:31,606 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:31:31,606 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,607 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,607 INFO L268 CegarLoopResult]: For program point L867-1(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,607 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:31:31,608 INFO L264 CegarLoopResult]: At program point L867-3(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:31:31,608 INFO L268 CegarLoopResult]: For program point L867-4(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,608 INFO L268 CegarLoopResult]: For program point L867-5(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,608 INFO L264 CegarLoopResult]: At program point L867-7(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:31:31,609 INFO L268 CegarLoopResult]: For program point L867-8(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,609 INFO L268 CegarLoopResult]: For program point L867-9(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,609 INFO L264 CegarLoopResult]: At program point L867-11(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:31:31,610 INFO L268 CegarLoopResult]: For program point L867-12(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,610 INFO L268 CegarLoopResult]: For program point L867-13(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,610 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,610 INFO L264 CegarLoopResult]: At program point L867-15(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:31:31,611 INFO L268 CegarLoopResult]: For program point L867-16(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,611 INFO L268 CegarLoopResult]: For program point L867-17(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,611 INFO L264 CegarLoopResult]: At program point L867-19(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:31:31,611 INFO L268 CegarLoopResult]: For program point L867-20(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,612 INFO L268 CegarLoopResult]: For program point L867-21(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,612 INFO L264 CegarLoopResult]: At program point L867-23(lines 1 877) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:31:31,612 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2020-07-28 17:31:31,617 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:31:31,617 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:31:31,618 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 17:31:31,618 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 17:31:31,618 WARN L170 areAnnotationChecker]: L867-1 has no Hoare annotation [2020-07-28 17:31:31,618 WARN L170 areAnnotationChecker]: L867-1 has no Hoare annotation [2020-07-28 17:31:31,618 WARN L170 areAnnotationChecker]: L867-4 has no Hoare annotation [2020-07-28 17:31:31,619 WARN L170 areAnnotationChecker]: L867-4 has no Hoare annotation [2020-07-28 17:31:31,619 WARN L170 areAnnotationChecker]: L867-4 has no Hoare annotation [2020-07-28 17:31:31,619 WARN L170 areAnnotationChecker]: L867-5 has no Hoare annotation [2020-07-28 17:31:31,619 WARN L170 areAnnotationChecker]: L867-5 has no Hoare annotation [2020-07-28 17:31:31,620 WARN L170 areAnnotationChecker]: L867-8 has no Hoare annotation [2020-07-28 17:31:31,620 WARN L170 areAnnotationChecker]: L867-8 has no Hoare annotation [2020-07-28 17:31:31,620 WARN L170 areAnnotationChecker]: L867-8 has no Hoare annotation [2020-07-28 17:31:31,620 WARN L170 areAnnotationChecker]: L867-9 has no Hoare annotation [2020-07-28 17:31:31,621 WARN L170 areAnnotationChecker]: L867-9 has no Hoare annotation [2020-07-28 17:31:31,621 WARN L170 areAnnotationChecker]: L867-12 has no Hoare annotation [2020-07-28 17:31:31,621 WARN L170 areAnnotationChecker]: L867-12 has no Hoare annotation [2020-07-28 17:31:31,621 WARN L170 areAnnotationChecker]: L867-12 has no Hoare annotation [2020-07-28 17:31:31,621 WARN L170 areAnnotationChecker]: L867-13 has no Hoare annotation [2020-07-28 17:31:31,622 WARN L170 areAnnotationChecker]: L867-13 has no Hoare annotation [2020-07-28 17:31:31,622 WARN L170 areAnnotationChecker]: L867-16 has no Hoare annotation [2020-07-28 17:31:31,622 WARN L170 areAnnotationChecker]: L867-16 has no Hoare annotation [2020-07-28 17:31:31,622 WARN L170 areAnnotationChecker]: L867-16 has no Hoare annotation [2020-07-28 17:31:31,623 WARN L170 areAnnotationChecker]: L867-17 has no Hoare annotation [2020-07-28 17:31:31,623 WARN L170 areAnnotationChecker]: L867-17 has no Hoare annotation [2020-07-28 17:31:31,623 WARN L170 areAnnotationChecker]: L867-20 has no Hoare annotation [2020-07-28 17:31:31,623 WARN L170 areAnnotationChecker]: L867-20 has no Hoare annotation [2020-07-28 17:31:31,624 WARN L170 areAnnotationChecker]: L867-20 has no Hoare annotation [2020-07-28 17:31:31,624 WARN L170 areAnnotationChecker]: L867-21 has no Hoare annotation [2020-07-28 17:31:31,624 WARN L170 areAnnotationChecker]: L867-21 has no Hoare annotation [2020-07-28 17:31:31,624 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:31:31,625 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:31:31,625 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:31:31,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:31:31 BoogieIcfgContainer [2020-07-28 17:31:31,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:31:31,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:31:31,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:31:31,637 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:31:31,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:31:30" (3/4) ... [2020-07-28 17:31:31,642 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:31:31,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 17:31:31,655 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 17:31:31,703 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:31:31,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:31:31,708 INFO L168 Benchmark]: Toolchain (without parser) took 2774.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 954.9 MB in the beginning and 938.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 161.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:31:31,708 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:31:31,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1126.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -73.5 MB). Peak memory consumption was 83.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:31:31,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.33 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. [2020-07-28 17:31:31,710 INFO L168 Benchmark]: Boogie Preprocessor took 34.13 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:31:31,711 INFO L168 Benchmark]: RCFGBuilder took 365.33 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. [2020-07-28 17:31:31,712 INFO L168 Benchmark]: TraceAbstraction took 1093.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 938.8 MB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:31:31,712 INFO L168 Benchmark]: Witness Printer took 67.40 ms. Allocated memory is still 1.2 GB. Free memory is still 938.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:31:31,716 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1126.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -73.5 MB). Peak memory consumption was 83.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.33 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 34.13 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 365.33 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 1093.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 938.8 MB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. * Witness Printer took 67.40 ms. Allocated memory is still 1.2 GB. Free memory is still 938.8 MB. 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: ~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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...