./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/isunordered_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isunordered_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan --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 Taipan --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=/tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isunordered_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan --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 Taipan --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 0.1.23-1dbac8b [2018-10-26 21:50:10,215 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:50:10,216 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:50:10,227 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:50:10,227 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:50:10,228 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:50:10,229 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:50:10,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:50:10,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:50:10,233 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:50:10,234 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:50:10,234 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:50:10,235 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:50:10,236 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:50:10,237 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:50:10,238 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:50:10,239 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:50:10,240 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:50:10,242 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:50:10,244 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:50:10,244 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:50:10,246 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:50:10,248 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:50:10,248 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:50:10,248 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:50:10,249 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:50:10,250 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:50:10,251 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:50:10,251 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:50:10,252 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:50:10,252 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:50:10,253 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:50:10,254 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:50:10,254 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:50:10,255 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:50:10,256 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:50:10,256 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:50:10,268 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:50:10,269 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:50:10,270 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:50:10,270 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:50:10,270 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:50:10,270 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:50:10,270 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:50:10,271 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:50:10,271 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:50:10,271 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:50:10,271 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:50:10,272 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:50:10,272 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:50:10,272 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:50:10,272 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:50:10,272 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:50:10,272 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:50:10,273 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:50:10,273 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:50:10,273 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:50:10,273 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:50:10,275 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:50:10,275 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:50:10,276 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:50:10,276 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:50:10,276 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:50:10,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:50:10,276 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:50:10,276 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:50:10,277 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:50:10,277 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:50:10,277 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:50:10,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:50:10,277 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:50:10,277 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan 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 -> Taipan 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 [2018-10-26 21:50:10,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:50:10,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:50:10,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:50:10,323 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:50:10,323 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:50:10,324 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/isunordered_true-unreach-call.i [2018-10-26 21:50:10,371 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/data/ac65cf775/b1f1a1a8caab4ee09d325aa3d39441c2/FLAG091639c14 [2018-10-26 21:50:10,799 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:50:10,800 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/sv-benchmarks/c/floats-esbmc-regression/isunordered_true-unreach-call.i [2018-10-26 21:50:10,813 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/data/ac65cf775/b1f1a1a8caab4ee09d325aa3d39441c2/FLAG091639c14 [2018-10-26 21:50:10,829 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/data/ac65cf775/b1f1a1a8caab4ee09d325aa3d39441c2 [2018-10-26 21:50:10,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:50:10,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:50:10,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:50:10,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:50:10,836 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:50:10,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:50:10" (1/1) ... [2018-10-26 21:50:10,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713c3cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:10, skipping insertion in model container [2018-10-26 21:50:10,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:50:10" (1/1) ... [2018-10-26 21:50:10,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:50:10,887 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:50:11,364 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:827) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$38(StandardFunctionHandler.java:294) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) 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:2169) 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:1164) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) 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:647) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:488) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1356) 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:1300) 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:960) 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:364) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1371) 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:3316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:537) 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:188) 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) [2018-10-26 21:50:11,367 INFO L168 Benchmark]: Toolchain (without parser) took 535.66 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 941.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:50:11,369 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:50:11,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.99 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 941.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:50:11,371 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 533.99 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 941.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 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:827) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:50:13,260 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:50:13,262 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:50:13,271 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:50:13,272 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:50:13,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:50:13,273 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:50:13,275 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:50:13,276 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:50:13,276 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:50:13,277 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:50:13,277 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:50:13,278 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:50:13,278 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:50:13,279 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:50:13,280 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:50:13,280 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:50:13,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:50:13,283 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:50:13,284 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:50:13,285 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:50:13,286 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:50:13,288 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:50:13,288 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:50:13,288 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:50:13,289 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:50:13,297 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:50:13,297 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:50:13,298 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:50:13,299 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:50:13,299 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:50:13,299 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:50:13,300 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:50:13,300 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:50:13,300 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:50:13,301 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:50:13,304 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 21:50:13,323 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:50:13,326 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:50:13,327 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:50:13,328 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:50:13,328 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:50:13,328 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:50:13,328 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:50:13,329 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:50:13,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:50:13,331 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:50:13,331 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:50:13,331 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:50:13,331 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:50:13,332 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:50:13,332 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:50:13,332 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:50:13,333 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:50:13,333 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:50:13,333 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:50:13,333 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:50:13,333 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:50:13,333 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:50:13,333 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:50:13,334 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:50:13,334 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:50:13,334 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:50:13,334 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:50:13,334 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:50:13,334 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:50:13,335 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:50:13,335 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:50:13,335 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:50:13,335 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan 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 -> Taipan 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 [2018-10-26 21:50:13,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:50:13,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:50:13,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:50:13,403 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:50:13,404 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:50:13,404 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/isunordered_true-unreach-call.i [2018-10-26 21:50:13,456 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/data/94a61fcdc/c0b81383875e4382b3f5bed2a0f41e85/FLAG1661c652b [2018-10-26 21:50:13,922 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:50:13,922 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/sv-benchmarks/c/floats-esbmc-regression/isunordered_true-unreach-call.i [2018-10-26 21:50:13,935 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/data/94a61fcdc/c0b81383875e4382b3f5bed2a0f41e85/FLAG1661c652b [2018-10-26 21:50:13,950 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/data/94a61fcdc/c0b81383875e4382b3f5bed2a0f41e85 [2018-10-26 21:50:13,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:50:13,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:50:13,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:50:13,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:50:13,963 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:50:13,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:50:13" (1/1) ... [2018-10-26 21:50:13,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f72695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:13, skipping insertion in model container [2018-10-26 21:50:13,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:50:13" (1/1) ... [2018-10-26 21:50:13,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:50:14,043 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:50:14,498 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:50:14,504 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:50:14,529 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:50:14,815 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:50:14,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:14 WrapperNode [2018-10-26 21:50:14,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:50:14,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:50:14,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:50:14,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:50:14,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:14" (1/1) ... [2018-10-26 21:50:14,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:14" (1/1) ... [2018-10-26 21:50:14,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:50:14,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:50:14,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:50:14,854 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:50:14,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:14" (1/1) ... [2018-10-26 21:50:14,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:14" (1/1) ... [2018-10-26 21:50:14,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:14" (1/1) ... [2018-10-26 21:50:14,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:14" (1/1) ... [2018-10-26 21:50:14,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:14" (1/1) ... [2018-10-26 21:50:14,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:14" (1/1) ... [2018-10-26 21:50:14,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:14" (1/1) ... [2018-10-26 21:50:14,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:50:14,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:50:14,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:50:14,881 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:50:14,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/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 [2018-10-26 21:50:15,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 21:50:15,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 21:50:15,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:50:15,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:50:15,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:50:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:50:15,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:50:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:50:15,333 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:50:15,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:50:15 BoogieIcfgContainer [2018-10-26 21:50:15,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:50:15,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:50:15,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:50:15,337 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:50:15,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:50:13" (1/3) ... [2018-10-26 21:50:15,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f04c8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:50:15, skipping insertion in model container [2018-10-26 21:50:15,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:50:14" (2/3) ... [2018-10-26 21:50:15,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f04c8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:50:15, skipping insertion in model container [2018-10-26 21:50:15,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:50:15" (3/3) ... [2018-10-26 21:50:15,341 INFO L112 eAbstractionObserver]: Analyzing ICFG isunordered_true-unreach-call.i [2018-10-26 21:50:15,353 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:50:15,359 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:50:15,376 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:50:15,426 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:50:15,427 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:50:15,427 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:50:15,427 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:50:15,427 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:50:15,427 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:50:15,427 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:50:15,427 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:50:15,428 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:50:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-10-26 21:50:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 21:50:15,446 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:50:15,446 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:50:15,448 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:50:15,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:50:15,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1083661312, now seen corresponding path program 1 times [2018-10-26 21:50:15,457 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:50:15,458 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 21:50:15,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:50:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:15,506 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:50:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:15,576 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 21:50:15,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:50:15,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:50:15,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:50:15,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:50:15,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:50:15,598 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2018-10-26 21:50:15,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:50:15,736 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2018-10-26 21:50:15,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:50:15,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-26 21:50:15,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:50:15,746 INFO L225 Difference]: With dead ends: 37 [2018-10-26 21:50:15,746 INFO L226 Difference]: Without dead ends: 16 [2018-10-26 21:50:15,749 INFO L605 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 [2018-10-26 21:50:15,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-10-26 21:50:15,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-10-26 21:50:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-10-26 21:50:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-10-26 21:50:15,782 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8 [2018-10-26 21:50:15,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:50:15,782 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-10-26 21:50:15,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:50:15,783 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-10-26 21:50:15,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 21:50:15,784 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:50:15,785 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:50:15,785 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:50:15,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:50:15,785 INFO L82 PathProgramCache]: Analyzing trace with hash -466517877, now seen corresponding path program 1 times [2018-10-26 21:50:15,786 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:50:15,786 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 21:50:15,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:50:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:50:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:50:15,840 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:50:15,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:50:15 BoogieIcfgContainer [2018-10-26 21:50:15,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:50:15,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:50:15,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:50:15,859 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:50:15,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:50:15" (3/4) ... [2018-10-26 21:50:15,862 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 21:50:15,896 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_73246524-e4f5-4256-a79c-fec8b83a0bb3/bin-2019/utaipan/witness.graphml [2018-10-26 21:50:15,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:50:15,898 INFO L168 Benchmark]: Toolchain (without parser) took 1943.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:50:15,899 INFO L168 Benchmark]: CDTParser took 0.46 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. [2018-10-26 21:50:15,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 857.32 ms. Allocated memory is still 1.0 GB. Free memory was 947.8 MB in the beginning and 829.7 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:50:15,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.57 ms. Allocated memory is still 1.0 GB. Free memory was 829.7 MB in the beginning and 828.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:50:15,900 INFO L168 Benchmark]: Boogie Preprocessor took 26.32 ms. Allocated memory is still 1.0 GB. Free memory was 828.3 MB in the beginning and 823.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:50:15,900 INFO L168 Benchmark]: RCFGBuilder took 453.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 823.0 MB in the beginning and 1.2 GB in the end (delta: -327.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:50:15,901 INFO L168 Benchmark]: TraceAbstraction took 524.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:50:15,903 INFO L168 Benchmark]: Witness Printer took 38.38 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. [2018-10-26 21:50:15,905 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 857.32 ms. Allocated memory is still 1.0 GB. Free memory was 947.8 MB in the beginning and 829.7 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.57 ms. Allocated memory is still 1.0 GB. Free memory was 829.7 MB in the beginning and 828.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.32 ms. Allocated memory is still 1.0 GB. Free memory was 828.3 MB in the beginning and 823.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 453.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 823.0 MB in the beginning and 1.2 GB in the end (delta: -327.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 524.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * Witness Printer took 38.38 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. * 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, RET !(!(cond)) VAL [\old(cond)=1, cond=1] [L871] __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, RET !(!(cond)) VAL [\old(cond)=1, cond=1] [L872] __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, RET !(!(cond)) VAL [\old(cond)=1, cond=1] [L873] __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, 0.4s 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...