/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/isunordered_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dea210a9 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/isunordered_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 349f3b147b258ab226d6875b5690ba51bba86051 ............................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/isunordered_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 349f3b147b258ab226d6875b5690ba51bba86051 ....................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-dea210a [2018-11-23 15:50:52,330 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:50:52,332 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:50:52,345 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:50:52,345 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:50:52,346 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:50:52,348 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:50:52,350 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:50:52,352 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:50:52,353 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:50:52,354 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:50:52,355 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:50:52,357 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:50:52,358 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:50:52,359 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:50:52,360 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:50:52,361 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:50:52,363 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:50:52,366 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:50:52,368 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:50:52,369 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:50:52,370 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:50:52,373 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:50:52,373 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:50:52,373 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:50:52,374 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:50:52,375 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:50:52,376 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:50:52,377 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:50:52,379 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:50:52,379 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:50:52,379 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:50:52,380 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:50:52,380 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:50:52,381 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:50:52,381 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:50:52,382 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 15:50:52,397 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:50:52,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:50:52,399 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:50:52,399 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:50:52,400 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:50:52,400 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:50:52,400 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:50:52,400 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:50:52,401 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:50:52,402 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:50:52,402 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:50:52,402 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:50:52,402 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:50:52,402 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:50:52,402 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:50:52,402 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:50:52,403 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:50:52,403 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:50:52,403 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:50:52,403 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:50:52,403 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:50:52,404 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:50:52,405 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:50:52,405 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:50:52,405 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:50:52,405 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:50:52,405 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:50:52,405 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:50:52,406 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:50:52,406 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:50:52,406 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 349f3b147b258ab226d6875b5690ba51bba86051 [2018-11-23 15:50:52,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:50:52,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:50:52,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:50:52,479 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:50:52,479 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:50:52,480 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/isunordered_true-unreach-call.i [2018-11-23 15:50:52,546 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dba8583b/a9e472bf0cf2416da53cfc1e9b773c54/FLAG1e180622f [2018-11-23 15:50:52,917 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:50:52,918 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isunordered_true-unreach-call.i [2018-11-23 15:50:52,933 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dba8583b/a9e472bf0cf2416da53cfc1e9b773c54/FLAG1e180622f [2018-11-23 15:50:53,261 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dba8583b/a9e472bf0cf2416da53cfc1e9b773c54 [2018-11-23 15:50:53,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:50:53,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:50:53,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:50:53,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:50:53,269 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:50:53,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:53" (1/1) ... [2018-11-23 15:50:53,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b75aba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:53, skipping insertion in model container [2018-11-23 15:50:53,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:53" (1/1) ... [2018-11-23 15:50:53,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:50:53,322 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:50:53,739 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:825) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1318) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$40(StandardFunctionHandler.java:320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1310) 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:2281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:113) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleFloatBuiltinIsUnordered(StandardFunctionHandler.java:1409) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1310) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:113) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:678) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1317) 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:1261) 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:962) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1332) 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:3436) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:538) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 15:50:53,747 INFO L168 Benchmark]: Toolchain (without parser) took 482.12 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 927.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:53,749 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:50:53,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.89 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 927.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:53,752 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 479.89 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 927.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:825) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-dea210a [2018-11-23 15:50:55,375 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:50:55,377 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:50:55,388 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:50:55,388 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:50:55,390 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:50:55,391 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:50:55,393 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:50:55,394 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:50:55,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:50:55,396 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:50:55,396 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:50:55,398 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:50:55,399 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:50:55,400 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:50:55,401 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:50:55,402 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:50:55,405 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:50:55,406 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:50:55,408 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:50:55,410 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:50:55,411 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:50:55,413 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:50:55,414 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:50:55,414 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:50:55,415 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:50:55,416 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:50:55,417 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:50:55,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:50:55,419 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:50:55,419 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:50:55,420 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:50:55,420 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:50:55,420 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:50:55,422 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:50:55,423 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:50:55,423 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 15:50:55,438 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:50:55,438 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:50:55,439 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:50:55,439 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:50:55,440 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:50:55,440 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:50:55,440 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:50:55,440 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:50:55,441 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:50:55,441 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:50:55,441 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:50:55,441 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:50:55,441 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:50:55,442 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:50:55,442 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 15:50:55,442 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 15:50:55,442 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:50:55,442 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:50:55,442 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:50:55,443 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:50:55,443 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:50:55,443 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:50:55,443 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:50:55,444 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:50:55,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:50:55,444 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:50:55,444 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:50:55,444 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:50:55,445 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 15:50:55,445 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:50:55,445 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-23 15:50:55,445 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 15:50:55,445 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 349f3b147b258ab226d6875b5690ba51bba86051 [2018-11-23 15:50:55,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:50:55,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:50:55,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:50:55,511 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:50:55,511 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:50:55,512 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/isunordered_true-unreach-call.i [2018-11-23 15:50:55,572 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5a51319/0aaf9335673f4ac1b332ca90017a766a/FLAGff5a5a0ac [2018-11-23 15:50:56,008 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:50:56,009 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isunordered_true-unreach-call.i [2018-11-23 15:50:56,022 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5a51319/0aaf9335673f4ac1b332ca90017a766a/FLAGff5a5a0ac [2018-11-23 15:50:56,537 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5a51319/0aaf9335673f4ac1b332ca90017a766a [2018-11-23 15:50:56,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:50:56,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:50:56,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:50:56,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:50:56,546 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:50:56,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:56" (1/1) ... [2018-11-23 15:50:56,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125f2173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56, skipping insertion in model container [2018-11-23 15:50:56,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:56" (1/1) ... [2018-11-23 15:50:56,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:50:56,603 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:50:57,063 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:50:57,069 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:50:57,107 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:50:57,413 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:50:57,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57 WrapperNode [2018-11-23 15:50:57,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:50:57,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:50:57,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:50:57,415 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:50:57,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:50:57,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:50:57,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:50:57,503 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:50:57,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:50:57,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:50:57,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:50:57,522 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:50:57,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:50:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 15:50:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 15:50:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:50:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:50:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:50:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:50:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:50:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:50:57,690 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:50:57,691 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 15:50:57,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:57 BoogieIcfgContainer [2018-11-23 15:50:57,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:50:57,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:50:57,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:50:57,696 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:50:57,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:50:56" (1/3) ... [2018-11-23 15:50:57,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210fb1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:50:57, skipping insertion in model container [2018-11-23 15:50:57,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (2/3) ... [2018-11-23 15:50:57,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210fb1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:50:57, skipping insertion in model container [2018-11-23 15:50:57,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:57" (3/3) ... [2018-11-23 15:50:57,698 INFO L112 eAbstractionObserver]: Analyzing ICFG isunordered_true-unreach-call.i [2018-11-23 15:50:57,707 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:50:57,714 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:50:57,728 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:50:57,753 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:50:57,754 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:50:57,754 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:50:57,754 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:50:57,755 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:50:57,755 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:50:57,755 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:50:57,755 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:50:57,755 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:50:57,770 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-23 15:50:57,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 15:50:57,775 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:57,775 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:57,777 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:57,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:57,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1083661312, now seen corresponding path program 1 times [2018-11-23 15:50:57,787 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:50:57,788 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:50:57,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:57,928 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:50:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:50:57,985 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:50:57,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:50:57,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:50:57,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:50:58,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:50:58,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:50:58,007 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2018-11-23 15:50:58,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:58,134 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2018-11-23 15:50:58,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:50:58,136 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-23 15:50:58,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:58,144 INFO L225 Difference]: With dead ends: 37 [2018-11-23 15:50:58,145 INFO L226 Difference]: Without dead ends: 16 [2018-11-23 15:50:58,148 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:50:58,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-23 15:50:58,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-23 15:50:58,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-23 15:50:58,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-11-23 15:50:58,181 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8 [2018-11-23 15:50:58,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:58,182 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-11-23 15:50:58,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:50:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-23 15:50:58,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 15:50:58,184 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:58,184 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:58,185 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:58,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:58,185 INFO L82 PathProgramCache]: Analyzing trace with hash -466517877, now seen corresponding path program 1 times [2018-11-23 15:50:58,185 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:50:58,186 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:50:58,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:50:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:50:58,248 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-23 15:50:58,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:50:58 BoogieIcfgContainer [2018-11-23 15:50:58,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:50:58,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:50:58,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:50:58,272 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:50:58,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:57" (3/4) ... [2018-11-23 15:50:58,274 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-23 15:50:58,320 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-23 15:50:58,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:50:58,321 INFO L168 Benchmark]: Toolchain (without parser) took 1780.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -117.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,322 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:50:58,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.42 ms. Allocated memory is still 1.0 GB. Free memory was 944.3 MB in the beginning and 831.6 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 831.6 MB in the beginning and 1.1 GB in the end (delta: -289.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,325 INFO L168 Benchmark]: Boogie Preprocessor took 19.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:50:58,325 INFO L168 Benchmark]: RCFGBuilder took 169.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,326 INFO L168 Benchmark]: TraceAbstraction took 579.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,326 INFO L168 Benchmark]: Witness Printer took 48.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,331 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 871.42 ms. Allocated memory is still 1.0 GB. Free memory was 944.3 MB in the beginning and 831.6 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 831.6 MB in the beginning and 1.1 GB in the end (delta: -289.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 169.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 579.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Witness Printer took 48.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 867]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L871] CALL __VERIFIER_assert(__builtin_isunordered((__builtin_nanf ("")), 1.0)) VAL [\old(cond)=1] [L867] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L871] RET __VERIFIER_assert(__builtin_isunordered((__builtin_nanf ("")), 1.0)) [L872] CALL __VERIFIER_assert(__builtin_isunordered(1.0, (__builtin_nanf ("")))) VAL [\old(cond)=1] [L867] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L872] RET __VERIFIER_assert(__builtin_isunordered(1.0, (__builtin_nanf ("")))) [L873] CALL __VERIFIER_assert(__builtin_isunordered((__builtin_nanf ("")), (__builtin_nanf ("")))) VAL [\old(cond)=1] [L867] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L873] RET __VERIFIER_assert(__builtin_isunordered((__builtin_nanf ("")), (__builtin_nanf ("")))) [L874] CALL __VERIFIER_assert(!__builtin_isunordered(1.0, 0.0)) VAL [\old(cond)=0] [L867] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L867] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 4 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 5 SDslu, 28 SDs, 0 SdLazy, 16 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 2 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...