./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9ea224c644c0536a0a3c2aeacaea0c4a0100f64 ............................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9ea224c644c0536a0a3c2aeacaea0c4a0100f64 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:27:59,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:27:59,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:28:00,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:28:00,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:28:00,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:28:00,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:28:00,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:28:00,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:28:00,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:28:00,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:28:00,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:28:00,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:28:00,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:28:00,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:28:00,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:28:00,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:28:00,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:28:00,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:28:00,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:28:00,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:28:00,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:28:00,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:28:00,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:28:00,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:28:00,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:28:00,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:28:00,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:28:00,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:28:00,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:28:00,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:28:00,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:28:00,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:28:00,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:28:00,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:28:00,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:28:00,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:28:00,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:28:00,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:28:00,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:28:00,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:28:00,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 02:28:00,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:28:00,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:28:00,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:28:00,128 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:28:00,128 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:28:00,128 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:28:00,128 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:28:00,128 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:28:00,129 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:28:00,129 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:28:00,130 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:28:00,130 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:28:00,130 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:28:00,130 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:28:00,131 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:28:00,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:28:00,132 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:28:00,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:28:00,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:28:00,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:28:00,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:28:00,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:28:00,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:28:00,133 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:28:00,133 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:28:00,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:28:00,134 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:28:00,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:28:00,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:28:00,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:28:00,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:28:00,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:28:00,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:28:00,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:28:00,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:28:00,137 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:28:00,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:28:00,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:28:00,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:28:00,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:28:00,138 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ea224c644c0536a0a3c2aeacaea0c4a0100f64 [2020-11-30 02:28:00,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:28:00,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:28:00,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:28:00,406 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:28:00,409 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:28:00,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2020-11-30 02:28:00,518 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/data/c7d8bd042/8a08e8c7f14f40b99d46eb102e37a28e/FLAG5cbe1532d [2020-11-30 02:28:01,150 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:28:01,150 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2020-11-30 02:28:01,159 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/data/c7d8bd042/8a08e8c7f14f40b99d46eb102e37a28e/FLAG5cbe1532d [2020-11-30 02:28:01,463 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/data/c7d8bd042/8a08e8c7f14f40b99d46eb102e37a28e [2020-11-30 02:28:01,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:28:01,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:28:01,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:28:01,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:28:01,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:28:01,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:28:01" (1/1) ... [2020-11-30 02:28:01,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d3102a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:01, skipping insertion in model container [2020-11-30 02:28:01,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:28:01" (1/1) ... [2020-11-30 02:28:01,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:28:01,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:28:01,809 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.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1682) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$42(StandardFunctionHandler.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:1971) 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:1600) 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:1045) 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:1577) 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:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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:128) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 02:28:01,814 INFO L168 Benchmark]: Toolchain (without parser) took 344.22 ms. Allocated memory is still 94.4 MB. Free memory was 61.6 MB in the beginning and 70.4 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:28:01,815 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 75.5 MB. Free memory was 35.6 MB in the beginning and 35.6 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:28:01,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.67 ms. Allocated memory is still 94.4 MB. Free memory was 61.5 MB in the beginning and 70.4 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:28:01,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 75.5 MB. Free memory was 35.6 MB in the beginning and 35.6 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 325.67 ms. Allocated memory is still 94.4 MB. Free memory was 61.5 MB in the beginning and 70.4 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 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 0.2.0-a4ecdab [2020-11-30 02:28:04,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:28:04,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:28:04,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:28:04,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:28:04,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:28:04,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:28:04,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:28:04,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:28:04,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:28:04,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:28:04,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:28:04,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:28:04,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:28:04,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:28:04,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:28:04,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:28:04,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:28:04,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:28:04,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:28:04,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:28:04,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:28:04,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:28:04,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:28:04,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:28:04,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:28:04,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:28:04,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:28:04,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:28:04,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:28:04,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:28:04,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:28:04,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:28:04,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:28:04,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:28:04,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:28:04,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:28:04,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:28:04,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:28:04,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:28:04,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:28:04,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 02:28:04,222 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:28:04,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:28:04,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:28:04,225 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:28:04,225 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:28:04,226 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:28:04,226 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:28:04,226 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:28:04,226 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:28:04,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:28:04,229 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:28:04,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:28:04,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:28:04,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:28:04,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:28:04,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:28:04,230 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:28:04,230 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 02:28:04,231 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 02:28:04,231 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:28:04,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:28:04,231 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:28:04,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:28:04,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:28:04,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 02:28:04,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:28:04,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:28:04,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:28:04,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:28:04,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:28:04,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:28:04,234 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 02:28:04,234 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 02:28:04,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:28:04,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:28:04,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:28:04,253 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ea224c644c0536a0a3c2aeacaea0c4a0100f64 [2020-11-30 02:28:04,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:28:04,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:28:04,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:28:04,689 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:28:04,690 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:28:04,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2020-11-30 02:28:04,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/data/dea3d8f3a/47e13423dc0d453b8d2e691b33d94126/FLAG8b48c2cc8 [2020-11-30 02:28:05,451 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:28:05,452 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2020-11-30 02:28:05,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/data/dea3d8f3a/47e13423dc0d453b8d2e691b33d94126/FLAG8b48c2cc8 [2020-11-30 02:28:05,745 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/data/dea3d8f3a/47e13423dc0d453b8d2e691b33d94126 [2020-11-30 02:28:05,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:28:05,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:28:05,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:28:05,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:28:05,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:28:05,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:28:05" (1/1) ... [2020-11-30 02:28:05,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58109ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:05, skipping insertion in model container [2020-11-30 02:28:05,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:28:05" (1/1) ... [2020-11-30 02:28:05,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:28:05,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:28:06,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:28:06,200 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:28:06,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:28:06,351 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:28:06,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:06 WrapperNode [2020-11-30 02:28:06,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:28:06,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:28:06,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:28:06,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:28:06,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:06" (1/1) ... [2020-11-30 02:28:06,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:06" (1/1) ... [2020-11-30 02:28:06,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:28:06,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:28:06,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:28:06,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:28:06,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:06" (1/1) ... [2020-11-30 02:28:06,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:06" (1/1) ... [2020-11-30 02:28:06,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:06" (1/1) ... [2020-11-30 02:28:06,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:06" (1/1) ... [2020-11-30 02:28:06,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:06" (1/1) ... [2020-11-30 02:28:06,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:06" (1/1) ... [2020-11-30 02:28:06,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:06" (1/1) ... [2020-11-30 02:28:06,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:28:06,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:28:06,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:28:06,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:28:06,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:28:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-30 02:28:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 02:28:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:28:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-30 02:28:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 02:28:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:28:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:28:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-30 02:28:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 02:28:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 02:28:28,173 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:28:28,173 INFO L298 CfgBuilder]: Removed 102 assume(true) statements. [2020-11-30 02:28:28,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:28:28 BoogieIcfgContainer [2020-11-30 02:28:28,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:28:28,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:28:28,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:28:28,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:28:28,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:28:05" (1/3) ... [2020-11-30 02:28:28,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfa2d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:28:28, skipping insertion in model container [2020-11-30 02:28:28,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:28:06" (2/3) ... [2020-11-30 02:28:28,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfa2d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:28:28, skipping insertion in model container [2020-11-30 02:28:28,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:28:28" (3/3) ... [2020-11-30 02:28:28,188 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0873a.c [2020-11-30 02:28:28,199 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:28:28,204 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:28:28,216 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:28:28,262 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:28:28,263 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:28:28,263 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:28:28,263 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:28:28,263 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:28:28,263 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:28:28,264 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:28:28,264 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:28:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-11-30 02:28:28,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 02:28:28,293 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:28:28,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:28:28,294 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:28:28,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:28:28,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1640381008, now seen corresponding path program 1 times [2020-11-30 02:28:28,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:28:28,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375642187] [2020-11-30 02:28:28,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 02:28:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:28:29,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 02:28:29,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:28:29,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:28:29,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:28:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:28:29,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1375642187] [2020-11-30 02:28:29,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:28:29,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 02:28:29,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034989361] [2020-11-30 02:28:29,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 02:28:29,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:28:29,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 02:28:29,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:28:29,623 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 2 states. [2020-11-30 02:28:29,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:28:29,703 INFO L93 Difference]: Finished difference Result 393 states and 679 transitions. [2020-11-30 02:28:29,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 02:28:29,705 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-30 02:28:29,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:28:29,715 INFO L225 Difference]: With dead ends: 393 [2020-11-30 02:28:29,715 INFO L226 Difference]: Without dead ends: 194 [2020-11-30 02:28:29,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:28:29,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-11-30 02:28:29,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2020-11-30 02:28:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-11-30 02:28:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2020-11-30 02:28:29,771 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 254 transitions. Word has length 9 [2020-11-30 02:28:29,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:28:29,771 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 254 transitions. [2020-11-30 02:28:29,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 02:28:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2020-11-30 02:28:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 02:28:29,772 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:28:29,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:28:29,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 02:28:29,981 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:28:29,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:28:29,983 INFO L82 PathProgramCache]: Analyzing trace with hash 559104083, now seen corresponding path program 1 times [2020-11-30 02:28:29,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:28:29,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991568842] [2020-11-30 02:28:29,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/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 [2020-11-30 02:28:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:28:31,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 02:28:31,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:28:31,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:28:31,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:28:31,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:28:31,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991568842] [2020-11-30 02:28:31,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:28:31,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-30 02:28:31,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110816215] [2020-11-30 02:28:31,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 02:28:31,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:28:31,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 02:28:31,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:28:31,497 INFO L87 Difference]: Start difference. First operand 194 states and 254 transitions. Second operand 8 states. [2020-11-30 02:28:31,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:28:31,752 INFO L93 Difference]: Finished difference Result 205 states and 269 transitions. [2020-11-30 02:28:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 02:28:31,754 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-11-30 02:28:31,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:28:31,756 INFO L225 Difference]: With dead ends: 205 [2020-11-30 02:28:31,756 INFO L226 Difference]: Without dead ends: 23 [2020-11-30 02:28:31,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-30 02:28:31,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-11-30 02:28:31,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-11-30 02:28:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-30 02:28:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-11-30 02:28:31,767 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 11 [2020-11-30 02:28:31,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:28:31,768 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-11-30 02:28:31,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 02:28:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-11-30 02:28:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 02:28:31,770 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:28:31,770 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:28:31,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 02:28:31,984 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:28:31,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:28:31,985 INFO L82 PathProgramCache]: Analyzing trace with hash -305854994, now seen corresponding path program 1 times [2020-11-30 02:28:31,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:28:31,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431292801] [2020-11-30 02:28:31,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/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 [2020-11-30 02:28:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:28:33,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-30 02:28:33,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:28:33,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:28:33,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:28:33,422 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:28:33,518 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:28:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:28:33,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431292801] [2020-11-30 02:28:33,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:28:33,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-30 02:28:33,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195603150] [2020-11-30 02:28:33,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-30 02:28:33,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:28:33,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 02:28:33,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-30 02:28:33,661 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 10 states. [2020-11-30 02:28:34,021 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-11-30 02:28:34,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:28:34,097 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2020-11-30 02:28:34,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 02:28:34,098 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2020-11-30 02:28:34,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:28:34,098 INFO L225 Difference]: With dead ends: 29 [2020-11-30 02:28:34,098 INFO L226 Difference]: Without dead ends: 17 [2020-11-30 02:28:34,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-30 02:28:34,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-30 02:28:34,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-30 02:28:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-30 02:28:34,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2020-11-30 02:28:34,102 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 13 [2020-11-30 02:28:34,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:28:34,102 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2020-11-30 02:28:34,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-30 02:28:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2020-11-30 02:28:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 02:28:34,103 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:28:34,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:28:34,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 02:28:34,304 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:28:34,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:28:34,304 INFO L82 PathProgramCache]: Analyzing trace with hash 749892930, now seen corresponding path program 1 times [2020-11-30 02:28:34,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:28:34,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336303220] [2020-11-30 02:28:34,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/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 [2020-11-30 02:28:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:28:35,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 02:28:35,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:28:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:28:35,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:28:35,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:28:35,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336303220] [2020-11-30 02:28:35,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:28:35,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-30 02:28:35,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957477016] [2020-11-30 02:28:35,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 02:28:35,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:28:35,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 02:28:35,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:28:35,671 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 5 states. [2020-11-30 02:28:35,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:28:35,797 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-11-30 02:28:35,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 02:28:35,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-30 02:28:35,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:28:35,797 INFO L225 Difference]: With dead ends: 17 [2020-11-30 02:28:35,797 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 02:28:35,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:28:35,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 02:28:35,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 02:28:35,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 02:28:35,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 02:28:35,798 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-11-30 02:28:35,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:28:35,798 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 02:28:35,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 02:28:35,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 02:28:35,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 02:28:35,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 02:28:36,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 02:28:36,259 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-11-30 02:28:36,343 INFO L274 CegarLoopResult]: For program point L531(lines 531 533) no Hoare annotation was computed. [2020-11-30 02:28:36,344 INFO L274 CegarLoopResult]: For program point L531-2(lines 522 534) no Hoare annotation was computed. [2020-11-30 02:28:36,344 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 02:28:36,344 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 02:28:36,344 INFO L274 CegarLoopResult]: For program point L532(lines 532 533) no Hoare annotation was computed. [2020-11-30 02:28:36,344 INFO L274 CegarLoopResult]: For program point L433-1(lines 433 437) no Hoare annotation was computed. [2020-11-30 02:28:36,344 INFO L274 CegarLoopResult]: For program point L367(lines 367 368) no Hoare annotation was computed. [2020-11-30 02:28:36,344 INFO L270 CegarLoopResult]: At program point L433-2(lines 433 437) the Hoare annotation is: false [2020-11-30 02:28:36,345 INFO L274 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2020-11-30 02:28:36,345 INFO L270 CegarLoopResult]: At program point L170-2(lines 170 174) the Hoare annotation is: false [2020-11-30 02:28:36,345 INFO L274 CegarLoopResult]: For program point L170-3(lines 170 174) no Hoare annotation was computed. [2020-11-30 02:28:36,345 INFO L274 CegarLoopResult]: For program point L600(lines 600 603) no Hoare annotation was computed. [2020-11-30 02:28:36,345 INFO L274 CegarLoopResult]: For program point L501(lines 501 502) no Hoare annotation was computed. [2020-11-30 02:28:36,345 INFO L274 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-11-30 02:28:36,345 INFO L274 CegarLoopResult]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2020-11-30 02:28:36,345 INFO L274 CegarLoopResult]: For program point L303-1(lines 303 307) no Hoare annotation was computed. [2020-11-30 02:28:36,346 INFO L270 CegarLoopResult]: At program point L303-2(lines 303 307) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 1.0))) (and (= ULTIMATE.start___ieee754_powf_~y (fp.div currentRoundingMode .cse0 (_ +zero 8 24))) (= (fp.neg .cse0) ULTIMATE.start___ieee754_powf_~x)))) (= ~one_pow~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2020-11-30 02:28:36,346 INFO L274 CegarLoopResult]: For program point L238(lines 238 243) no Hoare annotation was computed. [2020-11-30 02:28:36,346 INFO L274 CegarLoopResult]: For program point L205-1(lines 205 209) no Hoare annotation was computed. [2020-11-30 02:28:36,346 INFO L274 CegarLoopResult]: For program point L139(lines 139 140) no Hoare annotation was computed. [2020-11-30 02:28:36,346 INFO L270 CegarLoopResult]: At program point L205-2(lines 205 209) the Hoare annotation is: false [2020-11-30 02:28:36,346 INFO L274 CegarLoopResult]: For program point L205-3(lines 205 209) no Hoare annotation was computed. [2020-11-30 02:28:36,346 INFO L274 CegarLoopResult]: For program point L139-2(lines 139 140) no Hoare annotation was computed. [2020-11-30 02:28:36,346 INFO L274 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-11-30 02:28:36,347 INFO L274 CegarLoopResult]: For program point L503-1(lines 297 586) no Hoare annotation was computed. [2020-11-30 02:28:36,347 INFO L274 CegarLoopResult]: For program point L338(lines 338 343) no Hoare annotation was computed. [2020-11-30 02:28:36,347 INFO L274 CegarLoopResult]: For program point L239(lines 239 242) no Hoare annotation was computed. [2020-11-30 02:28:36,347 INFO L274 CegarLoopResult]: For program point L438(lines 438 442) no Hoare annotation was computed. [2020-11-30 02:28:36,347 INFO L274 CegarLoopResult]: For program point L438-1(lines 398 499) no Hoare annotation was computed. [2020-11-30 02:28:36,347 INFO L274 CegarLoopResult]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2020-11-30 02:28:36,347 INFO L270 CegarLoopResult]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2020-11-30 02:28:36,347 INFO L274 CegarLoopResult]: For program point L538(lines 538 550) no Hoare annotation was computed. [2020-11-30 02:28:36,348 INFO L274 CegarLoopResult]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2020-11-30 02:28:36,348 INFO L270 CegarLoopResult]: At program point L571-2(lines 571 575) the Hoare annotation is: false [2020-11-30 02:28:36,348 INFO L274 CegarLoopResult]: For program point L538-2(lines 538 550) no Hoare annotation was computed. [2020-11-30 02:28:36,348 INFO L274 CegarLoopResult]: For program point L571-3(lines 571 575) no Hoare annotation was computed. [2020-11-30 02:28:36,348 INFO L274 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-11-30 02:28:36,348 INFO L270 CegarLoopResult]: At program point L472-2(lines 472 476) the Hoare annotation is: false [2020-11-30 02:28:36,348 INFO L274 CegarLoopResult]: For program point L373(lines 373 374) no Hoare annotation was computed. [2020-11-30 02:28:36,348 INFO L274 CegarLoopResult]: For program point L340(lines 340 343) no Hoare annotation was computed. [2020-11-30 02:28:36,349 INFO L270 CegarLoopResult]: At program point L175(lines 111 176) the Hoare annotation is: false [2020-11-30 02:28:36,349 INFO L277 CegarLoopResult]: At program point L605(lines 588 606) the Hoare annotation is: true [2020-11-30 02:28:36,349 INFO L274 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-11-30 02:28:36,349 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-11-30 02:28:36,349 INFO L274 CegarLoopResult]: For program point L308-1(lines 297 586) no Hoare annotation was computed. [2020-11-30 02:28:36,349 INFO L274 CegarLoopResult]: For program point L341-2(line 341) no Hoare annotation was computed. [2020-11-30 02:28:36,349 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2020-11-30 02:28:36,349 INFO L274 CegarLoopResult]: For program point L375(lines 375 499) no Hoare annotation was computed. [2020-11-30 02:28:36,349 INFO L274 CegarLoopResult]: For program point L375-2(lines 375 499) no Hoare annotation was computed. [2020-11-30 02:28:36,350 INFO L274 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-11-30 02:28:36,350 INFO L274 CegarLoopResult]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2020-11-30 02:28:36,350 INFO L274 CegarLoopResult]: For program point L508-1(lines 297 586) no Hoare annotation was computed. [2020-11-30 02:28:36,350 INFO L270 CegarLoopResult]: At program point L541-2(lines 541 545) the Hoare annotation is: false [2020-11-30 02:28:36,350 INFO L274 CegarLoopResult]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2020-11-30 02:28:36,350 INFO L274 CegarLoopResult]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2020-11-30 02:28:36,350 INFO L274 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-11-30 02:28:36,350 INFO L274 CegarLoopResult]: For program point L343-2(line 343) no Hoare annotation was computed. [2020-11-30 02:28:36,351 INFO L274 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2020-11-30 02:28:36,351 INFO L274 CegarLoopResult]: For program point L443-1(lines 398 499) no Hoare annotation was computed. [2020-11-30 02:28:36,351 INFO L274 CegarLoopResult]: For program point L377(lines 377 378) no Hoare annotation was computed. [2020-11-30 02:28:36,351 INFO L274 CegarLoopResult]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2020-11-30 02:28:36,351 INFO L274 CegarLoopResult]: For program point L212(lines 212 213) no Hoare annotation was computed. [2020-11-30 02:28:36,351 INFO L274 CegarLoopResult]: For program point L245-1(lines 245 249) no Hoare annotation was computed. [2020-11-30 02:28:36,351 INFO L270 CegarLoopResult]: At program point L245-2(lines 245 249) the Hoare annotation is: false [2020-11-30 02:28:36,351 INFO L274 CegarLoopResult]: For program point L179-1(lines 179 183) no Hoare annotation was computed. [2020-11-30 02:28:36,351 INFO L274 CegarLoopResult]: For program point L245-3(lines 245 249) no Hoare annotation was computed. [2020-11-30 02:28:36,352 INFO L270 CegarLoopResult]: At program point L179-2(lines 179 183) the Hoare annotation is: false [2020-11-30 02:28:36,352 INFO L274 CegarLoopResult]: For program point L179-5(lines 179 183) no Hoare annotation was computed. [2020-11-30 02:28:36,352 INFO L270 CegarLoopResult]: At program point L179-6(lines 179 183) the Hoare annotation is: false [2020-11-30 02:28:36,352 INFO L274 CegarLoopResult]: For program point L179-9(lines 179 183) no Hoare annotation was computed. [2020-11-30 02:28:36,352 INFO L270 CegarLoopResult]: At program point L179-10(lines 179 183) the Hoare annotation is: false [2020-11-30 02:28:36,352 INFO L274 CegarLoopResult]: For program point L477(lines 477 481) no Hoare annotation was computed. [2020-11-30 02:28:36,352 INFO L274 CegarLoopResult]: For program point L477-1(lines 398 499) no Hoare annotation was computed. [2020-11-30 02:28:36,355 INFO L274 CegarLoopResult]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2020-11-30 02:28:36,356 INFO L274 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-11-30 02:28:36,356 INFO L274 CegarLoopResult]: For program point L345(lines 345 350) no Hoare annotation was computed. [2020-11-30 02:28:36,356 INFO L274 CegarLoopResult]: For program point L378-2(line 378) no Hoare annotation was computed. [2020-11-30 02:28:36,357 INFO L270 CegarLoopResult]: At program point L147-2(lines 147 156) the Hoare annotation is: false [2020-11-30 02:28:36,357 INFO L274 CegarLoopResult]: For program point L147-3(lines 111 176) no Hoare annotation was computed. [2020-11-30 02:28:36,357 INFO L274 CegarLoopResult]: For program point L577(lines 577 584) no Hoare annotation was computed. [2020-11-30 02:28:36,357 INFO L274 CegarLoopResult]: For program point L379(lines 379 380) no Hoare annotation was computed. [2020-11-30 02:28:36,357 INFO L274 CegarLoopResult]: For program point L346(lines 346 349) no Hoare annotation was computed. [2020-11-30 02:28:36,358 INFO L274 CegarLoopResult]: For program point L214(lines 214 215) no Hoare annotation was computed. [2020-11-30 02:28:36,358 INFO L274 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-11-30 02:28:36,358 INFO L274 CegarLoopResult]: For program point L380-2(line 380) no Hoare annotation was computed. [2020-11-30 02:28:36,358 INFO L274 CegarLoopResult]: For program point L149(lines 149 153) no Hoare annotation was computed. [2020-11-30 02:28:36,359 INFO L274 CegarLoopResult]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2020-11-30 02:28:36,359 INFO L274 CegarLoopResult]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2020-11-30 02:28:36,359 INFO L270 CegarLoopResult]: At program point L116-2(lines 116 120) the Hoare annotation is: false [2020-11-30 02:28:36,359 INFO L274 CegarLoopResult]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2020-11-30 02:28:36,360 INFO L274 CegarLoopResult]: For program point L216(lines 216 226) no Hoare annotation was computed. [2020-11-30 02:28:36,360 INFO L274 CegarLoopResult]: For program point L216-2(lines 216 226) no Hoare annotation was computed. [2020-11-30 02:28:36,360 INFO L274 CegarLoopResult]: For program point L547(lines 547 548) no Hoare annotation was computed. [2020-11-30 02:28:36,360 INFO L274 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-11-30 02:28:36,360 INFO L270 CegarLoopResult]: At program point L580-2(lines 580 584) the Hoare annotation is: false [2020-11-30 02:28:36,360 INFO L274 CegarLoopResult]: For program point L547-2(lines 547 548) no Hoare annotation was computed. [2020-11-30 02:28:36,360 INFO L274 CegarLoopResult]: For program point L580-3(lines 577 584) no Hoare annotation was computed. [2020-11-30 02:28:36,361 INFO L274 CegarLoopResult]: For program point L415(lines 415 423) no Hoare annotation was computed. [2020-11-30 02:28:36,361 INFO L274 CegarLoopResult]: For program point L316(lines 316 317) no Hoare annotation was computed. [2020-11-30 02:28:36,361 INFO L270 CegarLoopResult]: At program point L250(lines 201 251) the Hoare annotation is: false [2020-11-30 02:28:36,361 INFO L274 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2020-11-30 02:28:36,361 INFO L274 CegarLoopResult]: For program point L184-1(lines 177 195) no Hoare annotation was computed. [2020-11-30 02:28:36,361 INFO L274 CegarLoopResult]: For program point L184-3(lines 184 188) no Hoare annotation was computed. [2020-11-30 02:28:36,361 INFO L274 CegarLoopResult]: For program point L184-4(lines 177 195) no Hoare annotation was computed. [2020-11-30 02:28:36,362 INFO L274 CegarLoopResult]: For program point L184-6(lines 184 188) no Hoare annotation was computed. [2020-11-30 02:28:36,362 INFO L274 CegarLoopResult]: For program point L184-7(lines 177 195) no Hoare annotation was computed. [2020-11-30 02:28:36,362 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 02:28:36,362 INFO L274 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-11-30 02:28:36,363 INFO L270 CegarLoopResult]: At program point L218-2(lines 218 222) the Hoare annotation is: false [2020-11-30 02:28:36,363 INFO L274 CegarLoopResult]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2020-11-30 02:28:36,363 INFO L274 CegarLoopResult]: For program point L516-1(lines 516 520) no Hoare annotation was computed. [2020-11-30 02:28:36,363 INFO L270 CegarLoopResult]: At program point L516-2(lines 516 520) the Hoare annotation is: false [2020-11-30 02:28:36,363 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-30 02:28:36,363 INFO L274 CegarLoopResult]: For program point L516-3(lines 516 520) no Hoare annotation was computed. [2020-11-30 02:28:36,363 INFO L274 CegarLoopResult]: For program point L351(lines 351 352) no Hoare annotation was computed. [2020-11-30 02:28:36,364 INFO L274 CegarLoopResult]: For program point L319(lines 319 324) no Hoare annotation was computed. [2020-11-30 02:28:36,364 INFO L274 CegarLoopResult]: For program point L353(lines 353 356) no Hoare annotation was computed. [2020-11-30 02:28:36,364 INFO L274 CegarLoopResult]: For program point L320(lines 320 323) no Hoare annotation was computed. [2020-11-30 02:28:36,364 INFO L274 CegarLoopResult]: For program point L353-2(lines 353 356) no Hoare annotation was computed. [2020-11-30 02:28:36,364 INFO L274 CegarLoopResult]: For program point L254-1(lines 254 258) no Hoare annotation was computed. [2020-11-30 02:28:36,364 INFO L270 CegarLoopResult]: At program point L254-2(lines 254 258) the Hoare annotation is: false [2020-11-30 02:28:36,365 INFO L270 CegarLoopResult]: At program point L585(lines 297 586) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (exists ((ULTIMATE.start___ieee754_powf_~hy~1 (_ BitVec 32)) (ULTIMATE.start___ieee754_powf_~hx~3 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 1.0))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hy~1)) (fp.div currentRoundingMode .cse0 (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_powf_~hx~3) ULTIMATE.start___ieee754_powf_~ix~5) (= ULTIMATE.start___ieee754_powf_~iy~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_powf_~hy~1)) (= (fp.neg .cse0) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hx~3)))))) (= |ULTIMATE.start___ieee754_powf_#res| .cse1) (exists ((currentRoundingMode RoundingMode)) (let ((.cse2 ((_ to_fp 8 24) currentRoundingMode 1.0))) (and (= ULTIMATE.start___ieee754_powf_~y (fp.div currentRoundingMode .cse2 (_ +zero 8 24))) (= (fp.neg .cse2) ULTIMATE.start___ieee754_powf_~x)))) (= ~one_pow~0 .cse1) (exists ((currentRoundingMode RoundingMode)) (let ((.cse3 ((_ to_fp 8 24) currentRoundingMode 1.0))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hy~1)) (fp.div currentRoundingMode .cse3 (_ +zero 8 24))) (= (fp.neg .cse3) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hx~3)))))))) [2020-11-30 02:28:36,365 INFO L274 CegarLoopResult]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2020-11-30 02:28:36,365 INFO L270 CegarLoopResult]: At program point L552-2(lines 552 556) the Hoare annotation is: false [2020-11-30 02:28:36,365 INFO L274 CegarLoopResult]: For program point L354(lines 354 355) no Hoare annotation was computed. [2020-11-30 02:28:36,365 INFO L274 CegarLoopResult]: For program point L387-1(lines 387 391) no Hoare annotation was computed. [2020-11-30 02:28:36,366 INFO L270 CegarLoopResult]: At program point L387-2(lines 387 391) the Hoare annotation is: false [2020-11-30 02:28:36,371 INFO L274 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-11-30 02:28:36,371 INFO L274 CegarLoopResult]: For program point L189-1(lines 177 195) no Hoare annotation was computed. [2020-11-30 02:28:36,375 INFO L274 CegarLoopResult]: For program point L123(lines 123 124) no Hoare annotation was computed. [2020-11-30 02:28:36,375 INFO L274 CegarLoopResult]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2020-11-30 02:28:36,375 INFO L274 CegarLoopResult]: For program point L189-3(lines 189 193) no Hoare annotation was computed. [2020-11-30 02:28:36,375 INFO L274 CegarLoopResult]: For program point L189-4(lines 177 195) no Hoare annotation was computed. [2020-11-30 02:28:36,376 INFO L274 CegarLoopResult]: For program point L189-5(lines 189 193) no Hoare annotation was computed. [2020-11-30 02:28:36,376 INFO L274 CegarLoopResult]: For program point L189-6(lines 189 193) no Hoare annotation was computed. [2020-11-30 02:28:36,376 INFO L274 CegarLoopResult]: For program point L189-7(lines 177 195) no Hoare annotation was computed. [2020-11-30 02:28:36,376 INFO L274 CegarLoopResult]: For program point L189-8(lines 189 193) no Hoare annotation was computed. [2020-11-30 02:28:36,376 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 02:28:36,376 INFO L274 CegarLoopResult]: For program point L488-1(lines 488 492) no Hoare annotation was computed. [2020-11-30 02:28:36,376 INFO L270 CegarLoopResult]: At program point L488-2(lines 488 492) the Hoare annotation is: false [2020-11-30 02:28:36,377 INFO L274 CegarLoopResult]: For program point L224(lines 224 225) no Hoare annotation was computed. [2020-11-30 02:28:36,377 INFO L274 CegarLoopResult]: For program point L158(lines 158 167) no Hoare annotation was computed. [2020-11-30 02:28:36,377 INFO L274 CegarLoopResult]: For program point L522(lines 522 534) no Hoare annotation was computed. [2020-11-30 02:28:36,377 INFO L274 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2020-11-30 02:28:36,377 INFO L274 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-11-30 02:28:36,377 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-11-30 02:28:36,377 INFO L274 CegarLoopResult]: For program point L424-1(lines 398 499) no Hoare annotation was computed. [2020-11-30 02:28:36,379 INFO L274 CegarLoopResult]: For program point L424-2(lines 424 428) no Hoare annotation was computed. [2020-11-30 02:28:36,379 INFO L274 CegarLoopResult]: For program point L259(lines 259 263) no Hoare annotation was computed. [2020-11-30 02:28:36,379 INFO L274 CegarLoopResult]: For program point L259-1(lines 252 265) no Hoare annotation was computed. [2020-11-30 02:28:36,379 INFO L274 CegarLoopResult]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2020-11-30 02:28:36,379 INFO L274 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-11-30 02:28:36,380 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 02:28:36,382 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-11-30 02:28:36,382 INFO L274 CegarLoopResult]: For program point L557-1(lines 297 586) no Hoare annotation was computed. [2020-11-30 02:28:36,382 INFO L274 CegarLoopResult]: For program point L557-2(lines 557 561) no Hoare annotation was computed. [2020-11-30 02:28:36,383 INFO L274 CegarLoopResult]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2020-11-30 02:28:36,383 INFO L274 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-11-30 02:28:36,383 INFO L270 CegarLoopResult]: At program point L458-2(lines 458 462) the Hoare annotation is: false [2020-11-30 02:28:36,383 INFO L274 CegarLoopResult]: For program point L392-1(lines 375 398) no Hoare annotation was computed. [2020-11-30 02:28:36,383 INFO L274 CegarLoopResult]: For program point L326(lines 326 335) no Hoare annotation was computed. [2020-11-30 02:28:36,383 INFO L274 CegarLoopResult]: For program point L392-2(lines 392 396) no Hoare annotation was computed. [2020-11-30 02:28:36,383 INFO L274 CegarLoopResult]: For program point L326-1(lines 297 586) no Hoare annotation was computed. [2020-11-30 02:28:36,384 INFO L270 CegarLoopResult]: At program point L194(lines 177 195) the Hoare annotation is: false [2020-11-30 02:28:36,384 INFO L270 CegarLoopResult]: At program point L194-1(lines 177 195) the Hoare annotation is: false [2020-11-30 02:28:36,384 INFO L274 CegarLoopResult]: For program point L128(lines 128 129) no Hoare annotation was computed. [2020-11-30 02:28:36,384 INFO L270 CegarLoopResult]: At program point L194-2(lines 177 195) the Hoare annotation is: false [2020-11-30 02:28:36,384 INFO L274 CegarLoopResult]: For program point L525(lines 525 527) no Hoare annotation was computed. [2020-11-30 02:28:36,384 INFO L274 CegarLoopResult]: For program point L360(lines 360 371) no Hoare annotation was computed. [2020-11-30 02:28:36,385 INFO L274 CegarLoopResult]: For program point L327(lines 327 334) no Hoare annotation was computed. [2020-11-30 02:28:36,385 INFO L274 CegarLoopResult]: For program point L228(lines 228 229) no Hoare annotation was computed. [2020-11-30 02:28:36,385 INFO L274 CegarLoopResult]: For program point L162(lines 162 165) no Hoare annotation was computed. [2020-11-30 02:28:36,385 INFO L274 CegarLoopResult]: For program point L526(lines 526 527) no Hoare annotation was computed. [2020-11-30 02:28:36,386 INFO L274 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-11-30 02:28:36,386 INFO L274 CegarLoopResult]: For program point L493-1(lines 398 499) no Hoare annotation was computed. [2020-11-30 02:28:36,386 INFO L274 CegarLoopResult]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2020-11-30 02:28:36,386 INFO L274 CegarLoopResult]: For program point L362(lines 362 363) no Hoare annotation was computed. [2020-11-30 02:28:36,393 INFO L274 CegarLoopResult]: For program point L329(lines 329 334) no Hoare annotation was computed. [2020-11-30 02:28:36,393 INFO L274 CegarLoopResult]: For program point L362-2(lines 360 371) no Hoare annotation was computed. [2020-11-30 02:28:36,394 INFO L274 CegarLoopResult]: For program point L230(lines 230 237) no Hoare annotation was computed. [2020-11-30 02:28:36,394 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 02:28:36,394 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:28:36,394 INFO L270 CegarLoopResult]: At program point L264(lines 252 265) the Hoare annotation is: false [2020-11-30 02:28:36,394 INFO L274 CegarLoopResult]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2020-11-30 02:28:36,394 INFO L270 CegarLoopResult]: At program point L231-2(lines 231 235) the Hoare annotation is: false [2020-11-30 02:28:36,394 INFO L274 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-11-30 02:28:36,395 INFO L274 CegarLoopResult]: For program point L231-3(lines 231 235) no Hoare annotation was computed. [2020-11-30 02:28:36,395 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 136) no Hoare annotation was computed. [2020-11-30 02:28:36,395 INFO L274 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-11-30 02:28:36,395 INFO L274 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-11-30 02:28:36,395 INFO L274 CegarLoopResult]: For program point L463-1(lines 398 499) no Hoare annotation was computed. [2020-11-30 02:28:36,395 INFO L274 CegarLoopResult]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2020-11-30 02:28:36,395 INFO L274 CegarLoopResult]: For program point L364(lines 364 369) no Hoare annotation was computed. [2020-11-30 02:28:36,395 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 134) no Hoare annotation was computed. [2020-11-30 02:28:36,396 INFO L270 CegarLoopResult]: At program point L133-3(lines 133 134) the Hoare annotation is: false [2020-11-30 02:28:36,396 INFO L274 CegarLoopResult]: For program point L133-4(lines 133 134) no Hoare annotation was computed. [2020-11-30 02:28:36,396 INFO L274 CegarLoopResult]: For program point L365(lines 365 368) no Hoare annotation was computed. [2020-11-30 02:28:36,396 INFO L274 CegarLoopResult]: For program point L332(lines 332 333) no Hoare annotation was computed. [2020-11-30 02:28:36,410 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,411 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,411 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,411 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,411 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,411 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:28:36 BoogieIcfgContainer [2020-11-30 02:28:36,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:28:36,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:28:36,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:28:36,458 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:28:36,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:28:28" (3/4) ... [2020-11-30 02:28:36,461 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 02:28:36,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 02:28:36,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-30 02:28:36,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:28:36,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:28:36,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) [2020-11-30 02:28:36,617 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2449b829-5cae-46b5-bc44-639b6312f534/bin/utaipan/witness.graphml [2020-11-30 02:28:36,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:28:36,619 INFO L168 Benchmark]: Toolchain (without parser) took 30869.36 ms. Allocated memory was 77.6 MB in the beginning and 100.7 MB in the end (delta: 23.1 MB). Free memory was 43.1 MB in the beginning and 56.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-11-30 02:28:36,619 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory is still 60.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:28:36,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.20 ms. Allocated memory is still 77.6 MB. Free memory was 42.9 MB in the beginning and 38.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:28:36,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.16 ms. Allocated memory is still 77.6 MB. Free memory was 38.3 MB in the beginning and 58.4 MB in the end (delta: -20.0 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:28:36,621 INFO L168 Benchmark]: Boogie Preprocessor took 88.77 ms. Allocated memory is still 77.6 MB. Free memory was 58.0 MB in the beginning and 52.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:28:36,622 INFO L168 Benchmark]: RCFGBuilder took 21624.90 ms. Allocated memory was 77.6 MB in the beginning and 100.7 MB in the end (delta: 23.1 MB). Free memory was 52.8 MB in the beginning and 72.2 MB in the end (delta: -19.4 MB). Peak memory consumption was 39.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:28:36,622 INFO L168 Benchmark]: TraceAbstraction took 8276.12 ms. Allocated memory is still 100.7 MB. Free memory was 71.5 MB in the beginning and 68.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-30 02:28:36,622 INFO L168 Benchmark]: Witness Printer took 160.61 ms. Allocated memory is still 100.7 MB. Free memory was 68.7 MB in the beginning and 56.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 02:28:36,625 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory is still 60.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 599.20 ms. Allocated memory is still 77.6 MB. Free memory was 42.9 MB in the beginning and 38.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.16 ms. Allocated memory is still 77.6 MB. Free memory was 38.3 MB in the beginning and 58.4 MB in the end (delta: -20.0 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.77 ms. Allocated memory is still 77.6 MB. Free memory was 58.0 MB in the beginning and 52.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 21624.90 ms. Allocated memory was 77.6 MB in the beginning and 100.7 MB in the end (delta: 23.1 MB). Free memory was 52.8 MB in the beginning and 72.2 MB in the end (delta: -19.4 MB). Peak memory consumption was 39.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8276.12 ms. Allocated memory is still 100.7 MB. Free memory was 71.5 MB in the beginning and 68.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Witness Printer took 160.61 ms. Allocated memory is still 100.7 MB. Free memory was 68.7 MB in the beginning and 56.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant [2020-11-30 02:28:36,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 02:28:36,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 02:28:36,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\exists ULTIMATE.start___ieee754_powf_~hy~1 : bv32, ULTIMATE.start___ieee754_powf_~hx~3 : bv32, currentRoundingMode : FloatRoundingMode :: ((~fp~LONGDOUBLE(ULTIMATE.start___ieee754_powf_~hy~1[31:31], ULTIMATE.start___ieee754_powf_~hy~1[30:23], ULTIMATE.start___ieee754_powf_~hy~1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_powf_~hx~3) == ix) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_powf_~hy~1)) && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_powf_~hx~3[31:31], ULTIMATE.start___ieee754_powf_~hx~3[30:23], ULTIMATE.start___ieee754_powf_~hx~3[22:0])) && \result == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x)) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant [2020-11-30 02:28:36,658 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,659 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,659 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 02:28:36,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:28:36,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 293 SDtfs, 175 SDslu, 39 SDs, 0 SdLazy, 36 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 35 NumberOfFragments, 151 HoareAnnotationTreeSize, 32 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 90 ConstructedInterpolants, 19 QuantifiedInterpolants, 8654 SizeOfPredicates, 26 NumberOfNonLiveVariables, 482 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...