./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0876.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0876.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer --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 8bfdae4edc85300c20dcba60dd2bfdca9c4b845a .............................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0876.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer --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 8bfdae4edc85300c20dcba60dd2bfdca9c4b845a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-07 19:01:56,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:01:56,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:01:56,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:01:56,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:01:56,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:01:56,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:01:56,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:01:56,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:01:56,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:01:56,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:01:56,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:01:56,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:01:56,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:01:56,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:01:56,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:01:56,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:01:56,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:01:56,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:01:56,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:01:56,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:01:56,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:01:56,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:01:56,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:01:56,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:01:56,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:01:56,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:01:56,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:01:56,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:01:56,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:01:56,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:01:56,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:01:56,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:01:56,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:01:56,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:01:56,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:01:56,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:01:56,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:01:56,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:01:56,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:01:56,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:01:56,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 19:01:57,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:01:57,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:01:57,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 19:01:57,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 19:01:57,002 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 19:01:57,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:01:57,002 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:01:57,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:01:57,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:01:57,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:01:57,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:01:57,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:01:57,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:01:57,003 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:01:57,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:01:57,003 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:01:57,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:01:57,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:01:57,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:01:57,004 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:01:57,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:01:57,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:01:57,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:01:57,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:01:57,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:01:57,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 19:01:57,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:01:57,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:01:57,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:01:57,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer 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 -> 8bfdae4edc85300c20dcba60dd2bfdca9c4b845a [2019-12-07 19:01:57,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:01:57,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:01:57,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:01:57,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:01:57,118 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:01:57,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0876.c [2019-12-07 19:01:57,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/data/3bd204d25/7bf690f43f2148b5b2f39a1217311328/FLAGd55a23a33 [2019-12-07 19:01:57,506 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:01:57,506 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/sv-benchmarks/c/float-newlib/double_req_bl_0876.c [2019-12-07 19:01:57,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/data/3bd204d25/7bf690f43f2148b5b2f39a1217311328/FLAGd55a23a33 [2019-12-07 19:01:57,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/data/3bd204d25/7bf690f43f2148b5b2f39a1217311328 [2019-12-07 19:01:57,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:01:57,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:01:57,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:01:57,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:01:57,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:01:57,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:01:57" (1/1) ... [2019-12-07 19:01:57,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d623ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:57, skipping insertion in model container [2019-12-07 19:01:57,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:01:57" (1/1) ... [2019-12-07 19:01:57,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:01:57,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:01:57,740 FATAL L? ?]: 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:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1644) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$41(StandardFunctionHandler.java:325) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1955) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1584) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1561) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 19:01:57,743 INFO L168 Benchmark]: Toolchain (without parser) took 218.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:01:57,744 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:01:57,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:01:57,746 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 216.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 17.9 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:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 19:01:58,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:01:58,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:01:58,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:01:58,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:01:58,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:01:58,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:01:58,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:01:58,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:01:58,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:01:58,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:01:58,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:01:58,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:01:58,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:01:58,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:01:58,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:01:58,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:01:58,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:01:58,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:01:58,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:01:58,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:01:58,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:01:58,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:01:58,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:01:58,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:01:58,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:01:58,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:01:58,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:01:58,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:01:58,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:01:58,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:01:58,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:01:58,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:01:58,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:01:58,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:01:58,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:01:58,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:01:58,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:01:58,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:01:58,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:01:58,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:01:58,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 19:01:58,954 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:01:58,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:01:58,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 19:01:58,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 19:01:58,955 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 19:01:58,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:01:58,955 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:01:58,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:01:58,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:01:58,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:01:58,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:01:58,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:01:58,956 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:01:58,956 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:01:58,956 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:01:58,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:01:58,957 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:01:58,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:01:58,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:01:58,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:01:58,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:01:58,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:01:58,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:01:58,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:01:58,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:01:58,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:01:58,958 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 19:01:58,958 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:01:58,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:01:58,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:01:58,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:01:58,959 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer 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 -> 8bfdae4edc85300c20dcba60dd2bfdca9c4b845a [2019-12-07 19:01:59,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:01:59,130 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:01:59,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:01:59,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:01:59,134 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:01:59,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0876.c [2019-12-07 19:01:59,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/data/9869993b5/caa07d63f9a14a75be5ff6dd7f958d05/FLAG586a2aef1 [2019-12-07 19:01:59,530 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:01:59,531 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/sv-benchmarks/c/float-newlib/double_req_bl_0876.c [2019-12-07 19:01:59,537 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/data/9869993b5/caa07d63f9a14a75be5ff6dd7f958d05/FLAG586a2aef1 [2019-12-07 19:01:59,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/data/9869993b5/caa07d63f9a14a75be5ff6dd7f958d05 [2019-12-07 19:01:59,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:01:59,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:01:59,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:01:59,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:01:59,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:01:59,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:01:59" (1/1) ... [2019-12-07 19:01:59,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b897a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59, skipping insertion in model container [2019-12-07 19:01:59,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:01:59" (1/1) ... [2019-12-07 19:01:59,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:01:59,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:01:59,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:01:59,805 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:01:59,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:01:59,895 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:01:59,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59 WrapperNode [2019-12-07 19:01:59,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:01:59,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:01:59,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:01:59,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:01:59,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59" (1/1) ... [2019-12-07 19:01:59,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59" (1/1) ... [2019-12-07 19:01:59,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:01:59,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:01:59,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:01:59,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:01:59,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59" (1/1) ... [2019-12-07 19:01:59,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59" (1/1) ... [2019-12-07 19:01:59,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59" (1/1) ... [2019-12-07 19:01:59,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59" (1/1) ... [2019-12-07 19:02:00,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59" (1/1) ... [2019-12-07 19:02:00,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59" (1/1) ... [2019-12-07 19:02:00,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59" (1/1) ... [2019-12-07 19:02:00,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:02:00,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:02:00,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:02:00,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:02:00,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:02:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 19:02:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 19:02:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:02:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 19:02:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 19:02:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:02:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:02:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 19:02:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:02:46,550 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:02:46,550 INFO L287 CfgBuilder]: Removed 98 assume(true) statements. [2019-12-07 19:02:46,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:02:46 BoogieIcfgContainer [2019-12-07 19:02:46,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:02:46,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:02:46,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:02:46,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:02:46,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:01:59" (1/3) ... [2019-12-07 19:02:46,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47767767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:02:46, skipping insertion in model container [2019-12-07 19:02:46,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:59" (2/3) ... [2019-12-07 19:02:46,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47767767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:02:46, skipping insertion in model container [2019-12-07 19:02:46,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:02:46" (3/3) ... [2019-12-07 19:02:46,556 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0876.c [2019-12-07 19:02:46,563 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:02:46,568 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:02:46,575 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:02:46,592 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:02:46,592 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:02:46,593 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:02:46,593 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:02:46,593 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:02:46,593 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:02:46,593 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:02:46,593 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:02:46,608 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states. [2019-12-07 19:02:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 19:02:46,614 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:02:46,615 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:02:46,615 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:02:46,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:02:46,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1484062990, now seen corresponding path program 1 times [2019-12-07 19:02:46,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 19:02:46,627 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [712006571] [2019-12-07 19:02:46,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 19:02:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:02:46,881 INFO L264 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:02:46,885 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:02:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:02:46,895 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:02:46,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:02:46,900 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [712006571] [2019-12-07 19:02:46,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:02:46,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:02:46,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305129967] [2019-12-07 19:02:46,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:02:46,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 19:02:46,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:02:46,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:02:46,918 INFO L87 Difference]: Start difference. First operand 223 states. Second operand 2 states. [2019-12-07 19:02:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:02:46,948 INFO L93 Difference]: Finished difference Result 444 states and 758 transitions. [2019-12-07 19:02:46,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:02:46,950 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-12-07 19:02:46,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:02:46,959 INFO L225 Difference]: With dead ends: 444 [2019-12-07 19:02:46,960 INFO L226 Difference]: Without dead ends: 219 [2019-12-07 19:02:46,963 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:02:46,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-12-07 19:02:47,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2019-12-07 19:02:47,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-12-07 19:02:47,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 298 transitions. [2019-12-07 19:02:47,004 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 298 transitions. Word has length 15 [2019-12-07 19:02:47,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:02:47,005 INFO L462 AbstractCegarLoop]: Abstraction has 219 states and 298 transitions. [2019-12-07 19:02:47,005 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:02:47,005 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 298 transitions. [2019-12-07 19:02:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 19:02:47,005 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:02:47,005 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:02:47,206 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:02:47,206 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:02:47,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:02:47,207 INFO L82 PathProgramCache]: Analyzing trace with hash 441555186, now seen corresponding path program 1 times [2019-12-07 19:02:47,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 19:02:47,208 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1577810450] [2019-12-07 19:02:47,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 19:02:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:02:47,509 INFO L264 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 19:02:47,511 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:02:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:02:47,663 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:02:47,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:02:47,856 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1577810450] [2019-12-07 19:02:47,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:02:47,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 19:02:47,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785444891] [2019-12-07 19:02:47,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 19:02:47,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 19:02:47,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 19:02:47,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 19:02:47,859 INFO L87 Difference]: Start difference. First operand 219 states and 298 transitions. Second operand 10 states. [2019-12-07 19:02:54,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:02:54,307 INFO L93 Difference]: Finished difference Result 354 states and 474 transitions. [2019-12-07 19:02:54,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 19:02:54,456 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-12-07 19:02:54,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:02:54,458 INFO L225 Difference]: With dead ends: 354 [2019-12-07 19:02:54,458 INFO L226 Difference]: Without dead ends: 154 [2019-12-07 19:02:54,460 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-12-07 19:02:54,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-12-07 19:02:54,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 145. [2019-12-07 19:02:54,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-12-07 19:02:54,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 179 transitions. [2019-12-07 19:02:54,469 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 179 transitions. Word has length 19 [2019-12-07 19:02:54,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:02:54,469 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 179 transitions. [2019-12-07 19:02:54,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 19:02:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 179 transitions. [2019-12-07 19:02:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 19:02:54,470 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:02:54,470 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:02:54,670 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:02:54,671 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:02:54,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:02:54,671 INFO L82 PathProgramCache]: Analyzing trace with hash 654842519, now seen corresponding path program 1 times [2019-12-07 19:02:54,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 19:02:54,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113165902] [2019-12-07 19:02:54,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 19:02:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:02:54,978 INFO L264 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 19:02:54,982 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:02:55,025 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2019-12-07 19:02:55,032 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2019-12-07 19:02:55,033 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 19:02:55,037 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 19:02:55,037 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 19:02:55,048 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 19:02:55,049 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 19:02:55,049 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2019-12-07 19:02:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:02:56,447 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:02:59,166 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2019-12-07 19:02:59,173 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2019-12-07 19:02:59,173 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 19:02:59,177 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 19:02:59,177 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 19:02:59,192 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 19:02:59,193 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-12-07 19:02:59,193 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:73, output treesize:46 [2019-12-07 19:03:00,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:03:00,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113165902] [2019-12-07 19:03:00,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:03:00,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2019-12-07 19:03:00,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002020778] [2019-12-07 19:03:00,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-12-07 19:03:00,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 19:03:00,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-12-07 19:03:00,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2019-12-07 19:03:00,166 INFO L87 Difference]: Start difference. First operand 145 states and 179 transitions. Second operand 18 states. [2019-12-07 19:03:07,416 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-12-07 19:03:07,781 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-12-07 19:03:08,302 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-12-07 19:03:12,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:03:12,582 INFO L93 Difference]: Finished difference Result 164 states and 198 transitions. [2019-12-07 19:03:12,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 19:03:12,583 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 21 [2019-12-07 19:03:12,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:03:12,584 INFO L225 Difference]: With dead ends: 164 [2019-12-07 19:03:12,584 INFO L226 Difference]: Without dead ends: 63 [2019-12-07 19:03:12,585 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=140, Invalid=510, Unknown=0, NotChecked=0, Total=650 [2019-12-07 19:03:12,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-12-07 19:03:12,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 54. [2019-12-07 19:03:12,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 19:03:12,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2019-12-07 19:03:12,591 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 21 [2019-12-07 19:03:12,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:03:12,592 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2019-12-07 19:03:12,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-12-07 19:03:12,592 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2019-12-07 19:03:12,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 19:03:12,592 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:03:12,593 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:03:12,793 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:03:12,793 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:03:12,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:03:12,794 INFO L82 PathProgramCache]: Analyzing trace with hash 656689561, now seen corresponding path program 1 times [2019-12-07 19:03:12,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 19:03:12,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351508607] [2019-12-07 19:03:12,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 19:03:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:03:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:03:13,891 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 19:03:13,891 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:03:14,092 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 19:03:14,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:03:14 BoogieIcfgContainer [2019-12-07 19:03:14,161 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:03:14,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:03:14,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:03:14,162 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:03:14,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:02:46" (3/4) ... [2019-12-07 19:03:14,163 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 19:03:14,230 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dc1436be-067f-4560-a4b3-080307c47d09/bin/uautomizer/witness.graphml [2019-12-07 19:03:14,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:03:14,231 INFO L168 Benchmark]: Toolchain (without parser) took 74682.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.0 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -62.9 MB). Peak memory consumption was 152.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:14,231 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:03:14,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:14,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.82 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:14,232 INFO L168 Benchmark]: Boogie Preprocessor took 68.35 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:14,232 INFO L168 Benchmark]: RCFGBuilder took 46527.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 117.4 MB). Peak memory consumption was 117.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:14,232 INFO L168 Benchmark]: TraceAbstraction took 27609.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 977.4 MB in the beginning and 1.0 GB in the end (delta: -47.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:14,232 INFO L168 Benchmark]: Witness Printer took 68.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:14,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.82 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.35 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 46527.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 117.4 MB). Peak memory consumption was 117.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27609.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 977.4 MB in the beginning and 1.0 GB in the end (delta: -47.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Witness Printer took 68.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 606]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L38-L40] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L93] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L220-L259] static const double bp_pow[] = { 1.0, 1.5, }, dp_h_pow[] = { 0.0, 5.84962487220764160156e-01, }, dp_l_pow[] = { 0.0, 1.35003920212974897128e-08, }, zero_pow = 0.0, one_pow = 1.0, two_pow = 2.0, two53_pow = 9007199254740992.0, huge_pow = 1.0e300, tiny_pow = 1.0e-300, L1_pow = 5.99999999999994648725e-01, L2_pow = 4.28571428578550184252e-01, L3_pow = 3.33333329818377432918e-01, L4_pow = 2.72728123808534006489e-01, L5_pow = 2.30660745775561754067e-01, L6_pow = 2.06975017800338417784e-01, P1_pow = 1.66666666666666019037e-01, P2_pow = -2.77777777770155933842e-03, P3_pow = 6.61375632143793436117e-05, P4_pow = -1.65339022054652515390e-06, P5_pow = 4.13813679705723846039e-08, lg2_pow = 6.93147180559945286227e-01, lg2_h_pow = 6.93147182464599609375e-01, lg2_l_pow = -1.90465429995776804525e-09, ovt_pow = 8.0085662595372944372e-0017, cp_pow = 9.61796693925975554329e-01, cp_h_pow = 9.61796700954437255859e-01, cp_l_pow = -7.02846165095275826516e-09, ivln2_pow = 1.44269504088896338700e+00, ivln2_h_pow = 1.44269502162933349609e+00, ivln2_l_pow = 1.92596299112661746887e-08; VAL [bp_pow={6:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={10:0}, dp_l_pow={-1073741814:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L597] double x = __VERIFIER_nondet_double(); [L598] double y = 1.0 / 0.0; [L205] __uint32_t high; VAL [bp_pow={6:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={10:0}, dp_l_pow={-1073741814:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L207] ieee_double_shape_type gh_u; [L208] gh_u.value = (x) [L209] EXPR gh_u.parts.msw [L209] (high) = gh_u.parts.msw [L212] ieee_double_shape_type sh_u; [L213] sh_u.value = (x) [L214] sh_u.parts.msw = (high & 0x7fffffff) [L215] EXPR sh_u.value [L215] (x) = sh_u.value [L217] return x; VAL [bp_pow={6:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={10:0}, dp_l_pow={-1073741814:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L600] COND TRUE fabs_double(x) < 1.0 [L262] double z, ax, z_h, z_l, p_h, p_l; [L263] double y1, t1, t2, r, s, t, u, v, w; [L264] __int32_t i, j, k, yisint, n; [L265] __int32_t hx, hy, ix, iy; [L266] __uint32_t lx, ly; VAL [bp_pow={6:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={10:0}, dp_l_pow={-1073741814:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L269] ieee_double_shape_type ew_u; [L270] ew_u.value = (x) [L271] EXPR ew_u.parts.msw [L271] (hx) = ew_u.parts.msw [L272] EXPR ew_u.parts.lsw [L272] (lx) = ew_u.parts.lsw [L275] ieee_double_shape_type ew_u; [L276] ew_u.value = (y) [L277] EXPR ew_u.parts.msw [L277] (hy) = ew_u.parts.msw [L278] EXPR ew_u.parts.lsw [L278] (ly) = ew_u.parts.lsw [L280] ix = hx & 0x7fffffff [L281] iy = hy & 0x7fffffff VAL [bp_pow={6:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={10:0}, dp_l_pow={-1073741814:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L283] COND FALSE !((iy | ly) == 0) VAL [bp_pow={6:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={10:0}, dp_l_pow={-1073741814:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L286-L287] COND TRUE ix > 0x7ff00000 || ((ix == 0x7ff00000) && (lx != 0)) || iy > 0x7ff00000 || ((iy == 0x7ff00000) && (ly != 0)) VAL [bp_pow={6:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={10:0}, dp_l_pow={-1073741814:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L288] COND FALSE !(((ix - 0x3ff00000) | lx) == 0) [L291] return __builtin_nan(""); VAL [bp_pow={6:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={10:0}, dp_l_pow={-1073741814:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L602] double res = __ieee754_pow(x, y); [L605] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [bp_pow={6:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={10:0}, dp_l_pow={-1073741814:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L605] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L606] __VERIFIER_error() VAL [bp_pow={6:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={10:0}, dp_l_pow={-1073741814:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 223 locations, 1 error locations. Result: UNSAFE, OverallTime: 27.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 19.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 502 SDtfs, 994 SDslu, 728 SDs, 0 SdLazy, 169 SolverSat, 29 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 55 QuantifiedInterpolants, 26218 SizeOfPredicates, 26 NumberOfNonLiveVariables, 377 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...