./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0872b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0872b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI --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 13ef366d2d383a92d872280d98fb3a7111e598cb1abbaa6251b8fbe7cc7d6f03 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:44:52,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:44:52,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:44:52,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:44:52,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:44:52,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:44:52,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:44:52,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:44:52,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:44:52,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:44:52,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:44:52,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:44:52,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:44:52,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:44:52,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:44:52,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:44:52,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:44:52,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:44:52,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:44:52,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:44:52,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:44:52,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:44:52,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:44:52,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:44:52,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:44:52,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:44:52,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:44:52,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:44:52,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:44:52,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:44:52,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:44:52,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:44:52,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:44:52,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:44:52,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:44:52,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:44:52,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:44:52,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:44:52,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:44:52,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:44:52,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:44:52,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 01:44:52,764 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:44:52,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:44:52,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:44:52,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:44:52,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:44:52,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:44:52,767 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:44:52,767 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:44:52,767 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:44:52,767 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:44:52,768 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:44:52,769 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:44:52,769 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:44:52,769 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:44:52,769 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:44:52,769 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:44:52,770 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:44:52,770 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:44:52,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:44:52,771 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:44:52,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:44:52,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:44:52,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:44:52,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:44:52,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:44:52,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:44:52,772 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:44:52,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:44:52,773 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:44:52,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:44:52,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:44:52,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:44:52,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:44:52,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:44:52,774 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:44:52,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:44:52,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:44:52,775 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:44:52,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:44:52,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:44:52,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:44:52,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ef366d2d383a92d872280d98fb3a7111e598cb1abbaa6251b8fbe7cc7d6f03 [2022-11-03 01:44:53,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:44:53,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:44:53,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:44:53,111 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:44:53,112 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:44:53,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/double_req_bl_0872b.c [2022-11-03 01:44:53,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/data/58361bcee/3ba4ef0a58f14e8eaee94e52dda7a0e4/FLAGa93632bb3 [2022-11-03 01:44:53,762 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:44:53,766 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/sv-benchmarks/c/float-newlib/double_req_bl_0872b.c [2022-11-03 01:44:53,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/data/58361bcee/3ba4ef0a58f14e8eaee94e52dda7a0e4/FLAGa93632bb3 [2022-11-03 01:44:54,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/data/58361bcee/3ba4ef0a58f14e8eaee94e52dda7a0e4 [2022-11-03 01:44:54,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:44:54,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:44:54,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:44:54,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:44:54,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:44:54,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:44:54" (1/1) ... [2022-11-03 01:44:54,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d5688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:54, skipping insertion in model container [2022-11-03 01:44:54,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:44:54" (1/1) ... [2022-11-03 01:44:54,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:44:54,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:44:54,403 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:798) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1785) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$49(StandardFunctionHandler.java:414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1440) 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:2032) 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:1643) 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:1074) 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:1620) 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:1074) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) 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:3269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2354) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) 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) [2022-11-03 01:44:54,408 INFO L158 Benchmark]: Toolchain (without parser) took 318.93ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 83.7MB in the end (delta: -9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 01:44:54,409 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:44:54,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.22ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 83.7MB in the end (delta: -10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 01:44:54,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.22ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 83.7MB in the end (delta: -10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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:798) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0872b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI --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 13ef366d2d383a92d872280d98fb3a7111e598cb1abbaa6251b8fbe7cc7d6f03 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:44:56,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:44:56,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:44:56,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:44:56,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:44:56,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:44:56,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:44:56,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:44:56,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:44:56,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:44:56,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:44:56,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:44:56,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:44:56,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:44:56,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:44:56,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:44:56,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:44:56,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:44:56,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:44:56,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:44:56,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:44:56,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:44:56,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:44:56,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:44:56,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:44:56,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:44:56,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:44:56,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:44:56,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:44:56,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:44:56,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:44:56,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:44:56,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:44:56,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:44:56,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:44:56,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:44:56,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:44:56,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:44:56,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:44:56,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:44:56,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:44:56,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 01:44:56,725 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:44:56,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:44:56,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:44:56,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:44:56,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:44:56,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:44:56,730 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:44:56,730 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:44:56,730 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:44:56,731 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:44:56,732 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:44:56,732 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:44:56,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:44:56,733 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:44:56,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:44:56,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:44:56,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:44:56,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:44:56,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:44:56,735 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:44:56,735 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:44:56,735 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:44:56,735 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:44:56,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:44:56,736 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:44:56,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:44:56,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:44:56,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:44:56,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:44:56,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:44:56,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:44:56,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:44:56,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:44:56,738 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:44:56,739 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:44:56,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:44:56,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:44:56,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:44:56,740 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_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ef366d2d383a92d872280d98fb3a7111e598cb1abbaa6251b8fbe7cc7d6f03 [2022-11-03 01:44:57,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:44:57,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:44:57,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:44:57,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:44:57,164 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:44:57,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/double_req_bl_0872b.c [2022-11-03 01:44:57,243 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/data/341fc290e/4a56ff8f7bee458ab5cf93a98d2dd638/FLAG3f6336f12 [2022-11-03 01:44:57,849 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:44:57,850 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/sv-benchmarks/c/float-newlib/double_req_bl_0872b.c [2022-11-03 01:44:57,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/data/341fc290e/4a56ff8f7bee458ab5cf93a98d2dd638/FLAG3f6336f12 [2022-11-03 01:44:58,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/data/341fc290e/4a56ff8f7bee458ab5cf93a98d2dd638 [2022-11-03 01:44:58,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:44:58,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:44:58,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:44:58,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:44:58,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:44:58,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1063adb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58, skipping insertion in model container [2022-11-03 01:44:58,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:44:58,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:44:58,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/sv-benchmarks/c/float-newlib/double_req_bl_0872b.c[13980,13993] [2022-11-03 01:44:58,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:44:58,597 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:44:58,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/sv-benchmarks/c/float-newlib/double_req_bl_0872b.c[13980,13993] [2022-11-03 01:44:58,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:44:58,742 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:44:58,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58 WrapperNode [2022-11-03 01:44:58,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:44:58,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:44:58,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:44:58,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:44:58,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,851 INFO L138 Inliner]: procedures = 24, calls = 158, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 755 [2022-11-03 01:44:58,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:44:58,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:44:58,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:44:58,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:44:58,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,970 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:44:58,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:44:58,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:44:58,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:44:58,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:44:59,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:44:59,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:44:59,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:44:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:44:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-03 01:44:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-11-03 01:44:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-11-03 01:44:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-03 01:44:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 01:44:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:44:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-11-03 01:44:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 01:44:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:44:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:44:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 01:44:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:44:59,279 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:44:59,281 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:45:50,861 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:45:50,869 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:45:50,869 INFO L300 CfgBuilder]: Removed 58 assume(true) statements. [2022-11-03 01:45:50,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:45:50 BoogieIcfgContainer [2022-11-03 01:45:50,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:45:50,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:45:50,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:45:50,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:45:50,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:44:58" (1/3) ... [2022-11-03 01:45:50,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1555ca04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:45:50, skipping insertion in model container [2022-11-03 01:45:50,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (2/3) ... [2022-11-03 01:45:50,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1555ca04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:45:50, skipping insertion in model container [2022-11-03 01:45:50,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:45:50" (3/3) ... [2022-11-03 01:45:50,882 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0872b.c [2022-11-03 01:45:50,900 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:45:50,900 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:45:50,971 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:45:50,977 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5121cac8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:45:50,977 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:45:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 202 states, 196 states have (on average 1.7091836734693877) internal successors, (335), 197 states have internal predecessors, (335), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:45:50,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:50,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:50,988 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:50,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash -164815362, now seen corresponding path program 1 times [2022-11-03 01:45:51,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:51,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167714149] [2022-11-03 01:45:51,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:51,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:51,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:51,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:51,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 01:45:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:51,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 01:45:51,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:45:51,355 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:51,356 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:51,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167714149] [2022-11-03 01:45:51,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167714149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:51,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:51,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:45:51,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019257066] [2022-11-03 01:45:51,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:51,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 01:45:51,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:51,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 01:45:51,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:45:51,413 INFO L87 Difference]: Start difference. First operand has 202 states, 196 states have (on average 1.7091836734693877) internal successors, (335), 197 states have internal predecessors, (335), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:45:51,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:51,492 INFO L93 Difference]: Finished difference Result 402 states and 683 transitions. [2022-11-03 01:45:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 01:45:51,494 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-03 01:45:51,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:51,507 INFO L225 Difference]: With dead ends: 402 [2022-11-03 01:45:51,511 INFO L226 Difference]: Without dead ends: 199 [2022-11-03 01:45:51,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:45:51,521 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:51,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:45:51,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-03 01:45:51,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2022-11-03 01:45:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 194 states have (on average 1.407216494845361) internal successors, (273), 194 states have internal predecessors, (273), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:51,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 279 transitions. [2022-11-03 01:45:51,605 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 279 transitions. Word has length 9 [2022-11-03 01:45:51,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:51,605 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 279 transitions. [2022-11-03 01:45:51,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:45:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 279 transitions. [2022-11-03 01:45:51,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:45:51,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:51,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:51,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:51,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:51,825 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:51,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:51,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1290913793, now seen corresponding path program 1 times [2022-11-03 01:45:51,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:51,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854657547] [2022-11-03 01:45:51,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:51,827 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:51,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:51,829 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:51,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 01:45:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:52,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:45:52,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:45:53,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:53,102 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:53,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854657547] [2022-11-03 01:45:53,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854657547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:53,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:53,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:45:53,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944219002] [2022-11-03 01:45:53,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:53,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:45:53,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:53,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:45:53,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:45:53,111 INFO L87 Difference]: Start difference. First operand 199 states and 279 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:45:57,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:00,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:04,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:06,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:08,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:11,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:13,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:14,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:17,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:19,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:22,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:23,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:28,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:33,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:35,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:37,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:40,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:42,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:44,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:47,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:49,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:51,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:53,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:55,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:57,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:59,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:01,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:03,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:06,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:09,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:11,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:13,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:15,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:17,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:19,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:21,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:23,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:26,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:28,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:30,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:35,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:37,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:39,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:40,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:42,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:44,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:46,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:48,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:50,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:52,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:54,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:56,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:58,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:01,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:03,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:06,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:08,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:11,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:13,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:15,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:15,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:48:15,176 INFO L93 Difference]: Finished difference Result 219 states and 302 transitions. [2022-11-03 01:48:15,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:48:15,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 01:48:15,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:48:15,209 INFO L225 Difference]: With dead ends: 219 [2022-11-03 01:48:15,210 INFO L226 Difference]: Without dead ends: 215 [2022-11-03 01:48:15,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:48:15,211 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 158 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 53 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 136.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 53 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 141.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:48:15,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 825 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 53 Unknown, 0 Unchecked, 141.4s Time] [2022-11-03 01:48:15,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-11-03 01:48:15,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 199. [2022-11-03 01:48:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 194 states have (on average 1.3917525773195876) internal successors, (270), 194 states have internal predecessors, (270), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:48:15,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 276 transitions. [2022-11-03 01:48:15,231 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 276 transitions. Word has length 11 [2022-11-03 01:48:15,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:48:15,231 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 276 transitions. [2022-11-03 01:48:15,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:48:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 276 transitions. [2022-11-03 01:48:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 01:48:15,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:48:15,233 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:48:15,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:48:15,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:48:15,434 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:48:15,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:48:15,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1358869062, now seen corresponding path program 1 times [2022-11-03 01:48:15,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:48:15,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787803087] [2022-11-03 01:48:15,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:15,435 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:48:15,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:48:15,436 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:48:15,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 01:48:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:15,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 01:48:15,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:48:17,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:48:17,509 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:48:17,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787803087] [2022-11-03 01:48:17,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787803087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:48:17,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:48:17,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:48:17,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583084352] [2022-11-03 01:48:17,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:48:17,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:48:17,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:48:17,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:48:17,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:48:17,511 INFO L87 Difference]: Start difference. First operand 199 states and 276 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:48:17,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:48:17,831 INFO L93 Difference]: Finished difference Result 199 states and 276 transitions. [2022-11-03 01:48:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:48:17,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-03 01:48:17,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:48:17,833 INFO L225 Difference]: With dead ends: 199 [2022-11-03 01:48:17,833 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:48:17,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:48:17,835 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:48:17,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2022-11-03 01:48:17,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:48:17,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:48:17,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:48:17,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:48:17,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-03 01:48:17,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:48:17,837 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:48:17,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:48:17,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:48:17,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:48:17,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:48:17,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:48:18,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:48:18,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 01:48:19,603 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2022-11-03 01:48:19,603 INFO L902 garLoopResultBuilder]: At program point L31-1(lines 19 38) the Hoare annotation is: true [2022-11-03 01:48:19,603 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 31 36) no Hoare annotation was computed. [2022-11-03 01:48:19,604 INFO L899 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 19 38) no Hoare annotation was computed. [2022-11-03 01:48:19,604 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2022-11-03 01:48:19,604 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2022-11-03 01:48:19,604 INFO L899 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 19 38) no Hoare annotation was computed. [2022-11-03 01:48:19,604 INFO L902 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 19 38) the Hoare annotation is: true [2022-11-03 01:48:19,605 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 30) no Hoare annotation was computed. [2022-11-03 01:48:19,605 INFO L902 garLoopResultBuilder]: At program point L26-1(lines 19 38) the Hoare annotation is: true [2022-11-03 01:48:19,605 INFO L899 garLoopResultBuilder]: For program point L531-1(lines 531 536) no Hoare annotation was computed. [2022-11-03 01:48:19,605 INFO L895 garLoopResultBuilder]: At program point L531-2(lines 531 536) the Hoare annotation is: false [2022-11-03 01:48:19,605 INFO L899 garLoopResultBuilder]: For program point L531-3(lines 531 536) no Hoare annotation was computed. [2022-11-03 01:48:19,606 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 367) no Hoare annotation was computed. [2022-11-03 01:48:19,606 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 169) no Hoare annotation was computed. [2022-11-03 01:48:19,606 INFO L899 garLoopResultBuilder]: For program point L168-2(lines 168 169) no Hoare annotation was computed. [2022-11-03 01:48:19,606 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2022-11-03 01:48:19,606 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2022-11-03 01:48:19,607 INFO L899 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2022-11-03 01:48:19,607 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 309) no Hoare annotation was computed. [2022-11-03 01:48:19,607 INFO L899 garLoopResultBuilder]: For program point L367-2(line 367) no Hoare annotation was computed. [2022-11-03 01:48:19,607 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2022-11-03 01:48:19,607 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 103 108) no Hoare annotation was computed. [2022-11-03 01:48:19,607 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2022-11-03 01:48:19,608 INFO L895 garLoopResultBuilder]: At program point L70(line 70) the Hoare annotation is: false [2022-11-03 01:48:19,608 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 103 108) the Hoare annotation is: false [2022-11-03 01:48:19,608 INFO L899 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2022-11-03 01:48:19,608 INFO L899 garLoopResultBuilder]: For program point L103-3(lines 97 205) no Hoare annotation was computed. [2022-11-03 01:48:19,608 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 501) no Hoare annotation was computed. [2022-11-03 01:48:19,609 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 467 472) no Hoare annotation was computed. [2022-11-03 01:48:19,609 INFO L895 garLoopResultBuilder]: At program point L467-2(lines 467 472) the Hoare annotation is: false [2022-11-03 01:48:19,609 INFO L899 garLoopResultBuilder]: For program point L467-3(lines 467 472) no Hoare annotation was computed. [2022-11-03 01:48:19,609 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 79) no Hoare annotation was computed. [2022-11-03 01:48:19,609 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 304) no Hoare annotation was computed. [2022-11-03 01:48:19,609 INFO L899 garLoopResultBuilder]: For program point L270-1(lines 270 275) no Hoare annotation was computed. [2022-11-03 01:48:19,610 INFO L895 garLoopResultBuilder]: At program point L270-2(lines 270 275) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_pow_~y#1| (fp.neg (_ +zero 11 53))) (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0))) [2022-11-03 01:48:19,610 INFO L895 garLoopResultBuilder]: At program point L204(lines 97 205) the Hoare annotation is: false [2022-11-03 01:48:19,610 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 72 77) no Hoare annotation was computed. [2022-11-03 01:48:19,610 INFO L895 garLoopResultBuilder]: At program point L72-2(lines 72 77) the Hoare annotation is: false [2022-11-03 01:48:19,611 INFO L899 garLoopResultBuilder]: For program point L72-3(lines 72 77) no Hoare annotation was computed. [2022-11-03 01:48:19,611 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 510) no Hoare annotation was computed. [2022-11-03 01:48:19,611 INFO L899 garLoopResultBuilder]: For program point L503-2(lines 496 510) no Hoare annotation was computed. [2022-11-03 01:48:19,611 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 351) no Hoare annotation was computed. [2022-11-03 01:48:19,611 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 309) no Hoare annotation was computed. [2022-11-03 01:48:19,611 INFO L899 garLoopResultBuilder]: For program point L338-2(lines 263 562) no Hoare annotation was computed. [2022-11-03 01:48:19,612 INFO L899 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2022-11-03 01:48:19,612 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 350) no Hoare annotation was computed. [2022-11-03 01:48:19,612 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 308) no Hoare annotation was computed. [2022-11-03 01:48:19,612 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2022-11-03 01:48:19,612 INFO L895 garLoopResultBuilder]: At program point L208-2(lines 208 212) the Hoare annotation is: false [2022-11-03 01:48:19,612 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 412) no Hoare annotation was computed. [2022-11-03 01:48:19,613 INFO L895 garLoopResultBuilder]: At program point L407-1(lines 381 474) the Hoare annotation is: false [2022-11-03 01:48:19,613 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 342) no Hoare annotation was computed. [2022-11-03 01:48:19,613 INFO L899 garLoopResultBuilder]: For program point L374-1(lines 374 379) no Hoare annotation was computed. [2022-11-03 01:48:19,613 INFO L899 garLoopResultBuilder]: For program point L407-2(lines 407 412) no Hoare annotation was computed. [2022-11-03 01:48:19,613 INFO L895 garLoopResultBuilder]: At program point L374-2(lines 374 379) the Hoare annotation is: false [2022-11-03 01:48:19,614 INFO L899 garLoopResultBuilder]: For program point L341-2(lines 339 350) no Hoare annotation was computed. [2022-11-03 01:48:19,614 INFO L899 garLoopResultBuilder]: For program point L374-3(lines 374 379) no Hoare annotation was computed. [2022-11-03 01:48:19,614 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 508) no Hoare annotation was computed. [2022-11-03 01:48:19,614 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 281) no Hoare annotation was computed. [2022-11-03 01:48:19,614 INFO L895 garLoopResultBuilder]: At program point L276-1(lines 263 562) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_pow_~y#1| (fp.neg (_ +zero 11 53))) (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0))) [2022-11-03 01:48:19,615 INFO L899 garLoopResultBuilder]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2022-11-03 01:48:19,615 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2022-11-03 01:48:19,615 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 192) no Hoare annotation was computed. [2022-11-03 01:48:19,615 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 46 51) no Hoare annotation was computed. [2022-11-03 01:48:19,615 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 51) the Hoare annotation is: false [2022-11-03 01:48:19,615 INFO L899 garLoopResultBuilder]: For program point L46-3(lines 46 51) no Hoare annotation was computed. [2022-11-03 01:48:19,616 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 443 448) no Hoare annotation was computed. [2022-11-03 01:48:19,616 INFO L895 garLoopResultBuilder]: At program point L443-2(lines 443 448) the Hoare annotation is: false [2022-11-03 01:48:19,616 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 347) no Hoare annotation was computed. [2022-11-03 01:48:19,616 INFO L899 garLoopResultBuilder]: For program point L443-3(lines 443 448) no Hoare annotation was computed. [2022-11-03 01:48:19,616 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2022-11-03 01:48:19,616 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 579) no Hoare annotation was computed. [2022-11-03 01:48:19,617 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 478) no Hoare annotation was computed. [2022-11-03 01:48:19,617 INFO L899 garLoopResultBuilder]: For program point L477-2(lines 477 478) no Hoare annotation was computed. [2022-11-03 01:48:19,617 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 218) no Hoare annotation was computed. [2022-11-03 01:48:19,617 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2022-11-03 01:48:19,617 INFO L895 garLoopResultBuilder]: At program point L213-1(lines 206 220) the Hoare annotation is: false [2022-11-03 01:48:19,618 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 218) no Hoare annotation was computed. [2022-11-03 01:48:19,618 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 119) no Hoare annotation was computed. [2022-11-03 01:48:19,618 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 147 157) the Hoare annotation is: false [2022-11-03 01:48:19,618 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 84) no Hoare annotation was computed. [2022-11-03 01:48:19,618 INFO L899 garLoopResultBuilder]: For program point L114-2(lines 114 119) no Hoare annotation was computed. [2022-11-03 01:48:19,618 INFO L899 garLoopResultBuilder]: For program point L147-3(lines 147 157) no Hoare annotation was computed. [2022-11-03 01:48:19,619 INFO L899 garLoopResultBuilder]: For program point L577(line 577) no Hoare annotation was computed. [2022-11-03 01:48:19,619 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 347) no Hoare annotation was computed. [2022-11-03 01:48:19,619 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 334) no Hoare annotation was computed. [2022-11-03 01:48:19,619 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed. [2022-11-03 01:48:19,619 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: false [2022-11-03 01:48:19,620 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-11-03 01:48:19,620 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 321) no Hoare annotation was computed. [2022-11-03 01:48:19,620 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 190) no Hoare annotation was computed. [2022-11-03 01:48:19,620 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2022-11-03 01:48:19,620 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2022-11-03 01:48:19,620 INFO L899 garLoopResultBuilder]: For program point L546-1(lines 546 550) no Hoare annotation was computed. [2022-11-03 01:48:19,621 INFO L895 garLoopResultBuilder]: At program point L546-2(lines 546 550) the Hoare annotation is: false [2022-11-03 01:48:19,621 INFO L899 garLoopResultBuilder]: For program point L546-3(lines 546 550) no Hoare annotation was computed. [2022-11-03 01:48:19,621 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 320) no Hoare annotation was computed. [2022-11-03 01:48:19,621 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2022-11-03 01:48:19,621 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: false [2022-11-03 01:48:19,622 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2022-11-03 01:48:19,622 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 481 486) no Hoare annotation was computed. [2022-11-03 01:48:19,622 INFO L895 garLoopResultBuilder]: At program point L481-2(lines 481 486) the Hoare annotation is: false [2022-11-03 01:48:19,622 INFO L899 garLoopResultBuilder]: For program point L481-3(lines 481 486) no Hoare annotation was computed. [2022-11-03 01:48:19,622 INFO L902 garLoopResultBuilder]: At program point L581(lines 564 582) the Hoare annotation is: true [2022-11-03 01:48:19,623 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 529) no Hoare annotation was computed. [2022-11-03 01:48:19,623 INFO L899 garLoopResultBuilder]: For program point L515-2(lines 515 529) no Hoare annotation was computed. [2022-11-03 01:48:19,623 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 01:48:19,623 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 320) no Hoare annotation was computed. [2022-11-03 01:48:19,623 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 190) no Hoare annotation was computed. [2022-11-03 01:48:19,623 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 65) no Hoare annotation was computed. [2022-11-03 01:48:19,624 INFO L899 garLoopResultBuilder]: For program point L53-2(lines 44 94) no Hoare annotation was computed. [2022-11-03 01:48:19,624 INFO L899 garLoopResultBuilder]: For program point L318(line 318) no Hoare annotation was computed. [2022-11-03 01:48:19,624 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 286) no Hoare annotation was computed. [2022-11-03 01:48:19,624 INFO L899 garLoopResultBuilder]: For program point L318-2(line 318) no Hoare annotation was computed. [2022-11-03 01:48:19,624 INFO L895 garLoopResultBuilder]: At program point L219(lines 206 220) the Hoare annotation is: false [2022-11-03 01:48:19,625 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 187) no Hoare annotation was computed. [2022-11-03 01:48:19,625 INFO L899 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2022-11-03 01:48:19,625 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2022-11-03 01:48:19,625 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 87 92) no Hoare annotation was computed. [2022-11-03 01:48:19,625 INFO L895 garLoopResultBuilder]: At program point L87-2(lines 87 92) the Hoare annotation is: false [2022-11-03 01:48:19,626 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 92) no Hoare annotation was computed. [2022-11-03 01:48:19,626 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 393) no Hoare annotation was computed. [2022-11-03 01:48:19,626 INFO L899 garLoopResultBuilder]: For program point L418-1(lines 418 423) no Hoare annotation was computed. [2022-11-03 01:48:19,626 INFO L899 garLoopResultBuilder]: For program point L385-1(lines 385 393) no Hoare annotation was computed. [2022-11-03 01:48:19,626 INFO L895 garLoopResultBuilder]: At program point L418-2(lines 418 423) the Hoare annotation is: false [2022-11-03 01:48:19,627 INFO L899 garLoopResultBuilder]: For program point L418-3(lines 418 423) no Hoare annotation was computed. [2022-11-03 01:48:19,627 INFO L899 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2022-11-03 01:48:19,627 INFO L899 garLoopResultBuilder]: For program point L320-2(line 320) no Hoare annotation was computed. [2022-11-03 01:48:19,627 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 133) no Hoare annotation was computed. [2022-11-03 01:48:19,627 INFO L899 garLoopResultBuilder]: For program point L122-2(lines 122 133) no Hoare annotation was computed. [2022-11-03 01:48:19,628 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2022-11-03 01:48:19,628 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 524) no Hoare annotation was computed. [2022-11-03 01:48:19,628 INFO L895 garLoopResultBuilder]: At program point L519-2(lines 519 524) the Hoare annotation is: false [2022-11-03 01:48:19,628 INFO L899 garLoopResultBuilder]: For program point L519-3(lines 519 524) no Hoare annotation was computed. [2022-11-03 01:48:19,628 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2022-11-03 01:48:19,628 INFO L895 garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2022-11-03 01:48:19,629 INFO L899 garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2022-11-03 01:48:19,629 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2022-11-03 01:48:19,629 INFO L895 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2022-11-03 01:48:19,629 INFO L899 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2022-11-03 01:48:19,629 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2022-11-03 01:48:19,630 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 327) no Hoare annotation was computed. [2022-11-03 01:48:19,630 INFO L895 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2022-11-03 01:48:19,630 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 01:48:19,630 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 455 460) no Hoare annotation was computed. [2022-11-03 01:48:19,630 INFO L895 garLoopResultBuilder]: At program point L455-2(lines 455 460) the Hoare annotation is: false [2022-11-03 01:48:19,630 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 474) no Hoare annotation was computed. [2022-11-03 01:48:19,631 INFO L899 garLoopResultBuilder]: For program point L455-3(lines 455 460) no Hoare annotation was computed. [2022-11-03 01:48:19,631 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 326) no Hoare annotation was computed. [2022-11-03 01:48:19,631 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 293) no Hoare annotation was computed. [2022-11-03 01:48:19,631 INFO L899 garLoopResultBuilder]: For program point L356-2(lines 356 474) no Hoare annotation was computed. [2022-11-03 01:48:19,631 INFO L899 garLoopResultBuilder]: For program point L555-1(lines 555 560) no Hoare annotation was computed. [2022-11-03 01:48:19,631 INFO L895 garLoopResultBuilder]: At program point L555-2(lines 555 560) the Hoare annotation is: false [2022-11-03 01:48:19,632 INFO L899 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2022-11-03 01:48:19,632 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 362) no Hoare annotation was computed. [2022-11-03 01:48:19,632 INFO L899 garLoopResultBuilder]: For program point L357-2(lines 356 381) no Hoare annotation was computed. [2022-11-03 01:48:19,632 INFO L895 garLoopResultBuilder]: At program point L93(lines 44 94) the Hoare annotation is: false [2022-11-03 01:48:19,632 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 490 495) no Hoare annotation was computed. [2022-11-03 01:48:19,632 INFO L895 garLoopResultBuilder]: At program point L490-2(lines 490 495) the Hoare annotation is: false [2022-11-03 01:48:19,633 INFO L899 garLoopResultBuilder]: For program point L490-3(lines 263 562) no Hoare annotation was computed. [2022-11-03 01:48:19,633 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 359) no Hoare annotation was computed. [2022-11-03 01:48:19,633 INFO L895 garLoopResultBuilder]: At program point L160-2(lines 160 176) the Hoare annotation is: false [2022-11-03 01:48:19,633 INFO L899 garLoopResultBuilder]: For program point L160-3(lines 97 205) no Hoare annotation was computed. [2022-11-03 01:48:19,633 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-03 01:48:19,634 INFO L899 garLoopResultBuilder]: For program point L359(line 359) no Hoare annotation was computed. [2022-11-03 01:48:19,634 INFO L899 garLoopResultBuilder]: For program point L359-2(line 359) no Hoare annotation was computed. [2022-11-03 01:48:19,634 INFO L899 garLoopResultBuilder]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2022-11-03 01:48:19,634 INFO L895 garLoopResultBuilder]: At program point L128-3(lines 128 129) the Hoare annotation is: false [2022-11-03 01:48:19,634 INFO L899 garLoopResultBuilder]: For program point L128-4(lines 128 129) no Hoare annotation was computed. [2022-11-03 01:48:19,634 INFO L899 garLoopResultBuilder]: For program point L426-1(lines 426 431) no Hoare annotation was computed. [2022-11-03 01:48:19,635 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 361) no Hoare annotation was computed. [2022-11-03 01:48:19,635 INFO L895 garLoopResultBuilder]: At program point L426-2(lines 426 431) the Hoare annotation is: false [2022-11-03 01:48:19,635 INFO L899 garLoopResultBuilder]: For program point L426-3(lines 426 431) no Hoare annotation was computed. [2022-11-03 01:48:19,635 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 196) no Hoare annotation was computed. [2022-11-03 01:48:19,635 INFO L899 garLoopResultBuilder]: For program point L195-2(lines 195 196) no Hoare annotation was computed. [2022-11-03 01:48:19,635 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2022-11-03 01:48:19,636 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2022-11-03 01:48:19,636 INFO L899 garLoopResultBuilder]: For program point L526-2(lines 526 527) no Hoare annotation was computed. [2022-11-03 01:48:19,636 INFO L899 garLoopResultBuilder]: For program point L361(line 361) no Hoare annotation was computed. [2022-11-03 01:48:19,636 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 329) no Hoare annotation was computed. [2022-11-03 01:48:19,636 INFO L899 garLoopResultBuilder]: For program point L361-2(line 361) no Hoare annotation was computed. [2022-11-03 01:48:19,636 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 172) no Hoare annotation was computed. [2022-11-03 01:48:19,637 INFO L899 garLoopResultBuilder]: For program point L163-2(lines 163 172) no Hoare annotation was computed. [2022-11-03 01:48:19,637 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 311) no Hoare annotation was computed. [2022-11-03 01:48:19,637 INFO L899 garLoopResultBuilder]: For program point L296-1(lines 263 562) no Hoare annotation was computed. [2022-11-03 01:48:19,637 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-03 01:48:19,637 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 577) no Hoare annotation was computed. [2022-11-03 01:48:19,638 INFO L895 garLoopResultBuilder]: At program point L561(lines 263 562) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= |ULTIMATE.start___ieee754_pow_#res#1| .cse0) (= ~one_pow~0 .cse0))) [2022-11-03 01:48:19,638 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 333) no Hoare annotation was computed. [2022-11-03 01:48:19,638 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 310) no Hoare annotation was computed. [2022-11-03 01:48:19,638 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 166) no Hoare annotation was computed. [2022-11-03 01:48:19,638 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2022-11-03 01:48:19,638 INFO L895 garLoopResultBuilder]: At program point L198-2(lines 198 203) the Hoare annotation is: false [2022-11-03 01:48:19,639 INFO L899 garLoopResultBuilder]: For program point L165-2(lines 165 166) no Hoare annotation was computed. [2022-11-03 01:48:19,639 INFO L899 garLoopResultBuilder]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2022-11-03 01:48:19,639 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 332) no Hoare annotation was computed. [2022-11-03 01:48:19,639 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 502) no Hoare annotation was computed. [2022-11-03 01:48:19,639 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2022-11-03 01:48:19,639 INFO L899 garLoopResultBuilder]: For program point L365(line 365) no Hoare annotation was computed. [2022-11-03 01:48:19,640 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 310) no Hoare annotation was computed. [2022-11-03 01:48:19,640 INFO L899 garLoopResultBuilder]: For program point L365-2(line 365) no Hoare annotation was computed. [2022-11-03 01:48:19,643 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-03 01:48:19,646 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:48:19,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:48:19 BoogieIcfgContainer [2022-11-03 01:48:19,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:48:19,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:48:19,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:48:19,663 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:48:19,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:45:50" (3/4) ... [2022-11-03 01:48:19,666 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:48:19,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2022-11-03 01:48:19,684 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-03 01:48:19,684 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-03 01:48:19,685 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 01:48:19,685 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:48:19,749 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:48:19,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:48:19,750 INFO L158 Benchmark]: Toolchain (without parser) took 201585.06ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 37.7MB in the beginning and 39.8MB in the end (delta: -2.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-03 01:48:19,751 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 48.2MB. Free memory was 27.8MB in the beginning and 27.7MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:48:19,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.77ms. Allocated memory is still 62.9MB. Free memory was 37.5MB in the beginning and 34.1MB in the end (delta: 3.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 01:48:19,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.81ms. Allocated memory is still 62.9MB. Free memory was 34.1MB in the beginning and 29.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:48:19,752 INFO L158 Benchmark]: Boogie Preprocessor took 127.05ms. Allocated memory is still 62.9MB. Free memory was 29.7MB in the beginning and 40.7MB in the end (delta: -11.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-11-03 01:48:19,752 INFO L158 Benchmark]: RCFGBuilder took 51893.71ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 40.7MB in the beginning and 36.8MB in the end (delta: 4.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-11-03 01:48:19,753 INFO L158 Benchmark]: TraceAbstraction took 148786.80ms. Allocated memory is still 79.7MB. Free memory was 35.9MB in the beginning and 45.4MB in the end (delta: -9.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-03 01:48:19,753 INFO L158 Benchmark]: Witness Printer took 87.33ms. Allocated memory is still 79.7MB. Free memory was 45.4MB in the beginning and 39.8MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 01:48:19,755 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 48.2MB. Free memory was 27.8MB in the beginning and 27.7MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.77ms. Allocated memory is still 62.9MB. Free memory was 37.5MB in the beginning and 34.1MB in the end (delta: 3.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.81ms. Allocated memory is still 62.9MB. Free memory was 34.1MB in the beginning and 29.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.05ms. Allocated memory is still 62.9MB. Free memory was 29.7MB in the beginning and 40.7MB in the end (delta: -11.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * RCFGBuilder took 51893.71ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 40.7MB in the beginning and 36.8MB in the end (delta: 4.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * TraceAbstraction took 148786.80ms. Allocated memory is still 79.7MB. Free memory was 35.9MB in the beginning and 45.4MB in the end (delta: -9.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Witness Printer took 87.33ms. Allocated memory is still 79.7MB. Free memory was 45.4MB in the beginning and 39.8MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 577]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 202 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 148.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 142.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 53 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 141.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 1120 SdHoareTripleChecker+Invalid, 136.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4 IncrementalHoareTripleChecker+Unchecked, 570 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 550 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 60 PreInvPairs, 64 NumberOfFragments, 68 HoareAnnotationTreeSize, 60 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 3 QuantifiedInterpolants, 134 SizeOfPredicates, 11 NumberOfNonLiveVariables, 334 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: \result == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-03 01:48:19,986 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-03 01:48:20,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abce52a-40f4-4386-bc39-1a4f00a1807c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE