./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0872a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0872a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P --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 97e7e2c2476cb3ac51b8386218cd4264ef8a11a0a05f64e9bc3d20e7d2589c2e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:37:35,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:37:35,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:37:35,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:37:35,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:37:35,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:37:35,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:37:35,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:37:35,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:37:35,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:37:35,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:37:35,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:37:35,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:37:35,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:37:35,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:37:35,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:37:35,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:37:35,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:37:35,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:37:35,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:37:35,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:37:35,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:37:35,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:37:35,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:37:35,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:37:35,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:37:35,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:37:35,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:37:35,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:37:35,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:37:35,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:37:35,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:37:35,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:37:35,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:37:35,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:37:35,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:37:35,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:37:35,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:37:35,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:37:35,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:37:35,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:37:35,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:37:36,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:37:36,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:37:36,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:37:36,012 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:37:36,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:37:36,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:37:36,019 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:37:36,020 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:37:36,020 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:37:36,020 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:37:36,021 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:37:36,021 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:37:36,022 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:37:36,022 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:37:36,022 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:37:36,022 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:37:36,022 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:37:36,023 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:37:36,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:37:36,024 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:37:36,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:37:36,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:37:36,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:37:36,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:37:36,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:37:36,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:37:36,026 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:37:36,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:37:36,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:37:36,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:37:36,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:37:36,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:37:36,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:37:36,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:37:36,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:37:36,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:37:36,029 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:37:36,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:37:36,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:37:36,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:37:36,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:37:36,030 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97e7e2c2476cb3ac51b8386218cd4264ef8a11a0a05f64e9bc3d20e7d2589c2e [2021-11-20 23:37:36,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:37:36,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:37:36,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:37:36,374 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:37:36,375 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:37:36,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/double_req_bl_0872a.c [2021-11-20 23:37:36,471 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/data/3050623bb/d9afa85891a54e85996f7cb2c6006c19/FLAGef42a3d93 [2021-11-20 23:37:36,990 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:37:36,992 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/sv-benchmarks/c/float-newlib/double_req_bl_0872a.c [2021-11-20 23:37:37,003 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/data/3050623bb/d9afa85891a54e85996f7cb2c6006c19/FLAGef42a3d93 [2021-11-20 23:37:37,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/data/3050623bb/d9afa85891a54e85996f7cb2c6006c19 [2021-11-20 23:37:37,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:37:37,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:37:37,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:37:37,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:37:37,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:37:37,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:37" (1/1) ... [2021-11-20 23:37:37,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ae42d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:37, skipping insertion in model container [2021-11-20 23:37:37,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:37" (1/1) ... [2021-11-20 23:37:37,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:37:37,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:37:37,604 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1784) 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:1434) 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:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2021) 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:1633) 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:1069) 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:1610) 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:1069) 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:1456) 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:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) 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) [2021-11-20 23:37:37,609 INFO L158 Benchmark]: Toolchain (without parser) took 296.49ms. Allocated memory is still 107.0MB. Free memory was 72.2MB in the beginning and 82.3MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:37:37,610 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory was 49.0MB in the beginning and 49.0MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:37:37,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.11ms. Allocated memory is still 107.0MB. Free memory was 72.0MB in the beginning and 82.3MB in the end (delta: -10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:37:37,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory was 49.0MB in the beginning and 49.0MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.11ms. Allocated memory is still 107.0MB. Free memory was 72.0MB in the beginning and 82.3MB in the end (delta: -10.2MB). Peak memory consumption was 8.4MB. 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:835) 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0872a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P --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 97e7e2c2476cb3ac51b8386218cd4264ef8a11a0a05f64e9bc3d20e7d2589c2e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:37:39,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:37:39,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:37:39,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:37:39,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:37:39,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:37:39,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:37:39,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:37:39,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:37:39,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:37:39,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:37:39,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:37:39,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:37:39,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:37:39,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:37:39,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:37:39,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:37:39,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:37:39,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:37:39,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:37:39,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:37:39,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:37:39,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:37:39,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:37:39,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:37:39,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:37:39,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:37:39,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:37:39,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:37:39,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:37:39,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:37:39,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:37:39,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:37:39,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:37:39,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:37:39,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:37:39,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:37:39,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:37:39,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:37:39,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:37:39,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:37:39,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:37:39,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:37:39,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:37:39,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:37:39,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:37:39,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:37:39,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:37:39,950 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:37:39,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:37:39,951 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:37:39,951 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:37:39,952 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:37:39,952 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:37:39,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:37:39,954 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:37:39,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:37:39,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:37:39,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:37:39,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:37:39,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:37:39,956 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:37:39,956 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:37:39,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:37:39,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:37:39,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:37:39,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:37:39,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:37:39,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:37:39,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:37:39,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:37:39,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:37:39,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:37:39,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:37:39,959 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:37:39,959 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:37:39,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:37:39,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:37:39,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:37:39,960 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_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97e7e2c2476cb3ac51b8386218cd4264ef8a11a0a05f64e9bc3d20e7d2589c2e [2021-11-20 23:37:40,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:37:40,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:37:40,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:37:40,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:37:40,396 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:37:40,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/double_req_bl_0872a.c [2021-11-20 23:37:40,471 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/data/f7068e45d/19ad5e7249494473b4201c38e7ec66ce/FLAGb7c662523 [2021-11-20 23:37:40,993 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:37:40,993 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/sv-benchmarks/c/float-newlib/double_req_bl_0872a.c [2021-11-20 23:37:41,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/data/f7068e45d/19ad5e7249494473b4201c38e7ec66ce/FLAGb7c662523 [2021-11-20 23:37:41,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/data/f7068e45d/19ad5e7249494473b4201c38e7ec66ce [2021-11-20 23:37:41,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:37:41,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:37:41,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:37:41,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:37:41,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:37:41,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:41" (1/1) ... [2021-11-20 23:37:41,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d30f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41, skipping insertion in model container [2021-11-20 23:37:41,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:41" (1/1) ... [2021-11-20 23:37:41,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:37:41,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:37:41,747 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_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/sv-benchmarks/c/float-newlib/double_req_bl_0872a.c[13979,13992] [2021-11-20 23:37:41,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:37:41,762 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:37:41,914 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_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/sv-benchmarks/c/float-newlib/double_req_bl_0872a.c[13979,13992] [2021-11-20 23:37:41,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:37:41,938 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:37:41,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41 WrapperNode [2021-11-20 23:37:41,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:37:41,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:37:41,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:37:41,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:37:41,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2021-11-20 23:37:41,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2021-11-20 23:37:42,025 INFO L137 Inliner]: procedures = 24, calls = 158, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 755 [2021-11-20 23:37:42,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:37:42,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:37:42,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:37:42,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:37:42,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2021-11-20 23:37:42,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2021-11-20 23:37:42,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2021-11-20 23:37:42,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2021-11-20 23:37:42,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2021-11-20 23:37:42,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2021-11-20 23:37:42,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2021-11-20 23:37:42,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:37:42,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:37:42,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:37:42,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:37:42,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2021-11-20 23:37:42,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:37:42,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:37:42,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:37:42,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:37:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:37:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-20 23:37:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-20 23:37:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-20 23:37:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-20 23:37:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 23:37:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:37:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-20 23:37:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 23:37:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:37:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:37:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 23:37:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:37:42,437 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:37:42,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:38:33,494 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:38:33,503 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:38:33,503 INFO L301 CfgBuilder]: Removed 58 assume(true) statements. [2021-11-20 23:38:33,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:38:33 BoogieIcfgContainer [2021-11-20 23:38:33,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:38:33,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:38:33,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:38:33,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:38:33,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:37:41" (1/3) ... [2021-11-20 23:38:33,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13cadf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:38:33, skipping insertion in model container [2021-11-20 23:38:33,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (2/3) ... [2021-11-20 23:38:33,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13cadf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:38:33, skipping insertion in model container [2021-11-20 23:38:33,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:38:33" (3/3) ... [2021-11-20 23:38:33,522 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0872a.c [2021-11-20 23:38:33,530 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:38:33,530 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:38:33,597 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:38:33,604 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:38:33,605 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:38:33,632 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) [2021-11-20 23:38:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 23:38:33,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:38:33,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:38:33,638 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:38:33,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:38:33,648 INFO L85 PathProgramCache]: Analyzing trace with hash -164815362, now seen corresponding path program 1 times [2021-11-20 23:38:33,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:38:33,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504443559] [2021-11-20 23:38:33,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:38:33,666 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:38:33,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:38:33,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:38:33,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 23:38:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:38:34,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 23:38:34,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:38:34,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:38:34,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:38:34,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:38:34,560 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:38:34,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504443559] [2021-11-20 23:38:34,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504443559] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:38:34,561 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:38:34,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 23:38:34,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829926956] [2021-11-20 23:38:34,564 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:38:34,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:38:34,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:38:34,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:38:34,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:38:34,619 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) [2021-11-20 23:38:34,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:38:34,691 INFO L93 Difference]: Finished difference Result 402 states and 683 transitions. [2021-11-20 23:38:34,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:38:34,693 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 [2021-11-20 23:38:34,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:38:34,702 INFO L225 Difference]: With dead ends: 402 [2021-11-20 23:38:34,702 INFO L226 Difference]: Without dead ends: 199 [2021-11-20 23:38:34,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:38:34,709 INFO L933 BasicCegarLoop]: 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 [2021-11-20 23:38:34,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:38:34,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-11-20 23:38:34,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2021-11-20 23:38:34,755 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) [2021-11-20 23:38:34,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 279 transitions. [2021-11-20 23:38:34,760 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 279 transitions. Word has length 9 [2021-11-20 23:38:34,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:38:34,761 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 279 transitions. [2021-11-20 23:38:34,761 INFO L471 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) [2021-11-20 23:38:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 279 transitions. [2021-11-20 23:38:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 23:38:34,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:38:34,762 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:38:34,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:38:34,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:38:34,969 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:38:34,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:38:34,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1290913793, now seen corresponding path program 1 times [2021-11-20 23:38:34,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:38:34,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064480495] [2021-11-20 23:38:34,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:38:34,972 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:38:34,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:38:34,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:38:34,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 23:38:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:38:35,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 23:38:35,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:38:36,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:38:36,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:38:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:38:37,005 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:38:37,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064480495] [2021-11-20 23:38:37,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064480495] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:38:37,006 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:38:37,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-20 23:38:37,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290449150] [2021-11-20 23:38:37,007 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:38:37,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:38:37,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:38:37,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:38:37,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:38:37,010 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) [2021-11-20 23:38:40,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:43,550 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:44,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:47,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:49,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:51,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:52,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:55,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:58,573 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:01,144 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:03,376 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:05,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:09,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:11,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:14,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:16,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:20,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:22,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:24,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:27,303 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:29,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:31,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:33,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:35,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:37,724 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:40,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:42,039 WARN L515 Checker$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 [] [2021-11-20 23:39:44,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:46,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:48,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:50,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:53,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:54,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:56,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:58,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:00,842 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:03,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:05,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:07,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:10,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:12,012 WARN L515 Checker$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 [] [2021-11-20 23:40:14,019 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:18,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:20,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:22,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:23,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:24,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:26,770 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:29,222 WARN L515 Checker$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 [] [2021-11-20 23:40:31,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:33,774 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:35,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:37,799 WARN L515 Checker$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 [] [2021-11-20 23:40:39,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:41,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:43,912 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:46,019 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:48,022 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:50,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:52,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:54,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:56,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:58,251 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:00,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:02,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:02,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:02,258 INFO L93 Difference]: Finished difference Result 219 states and 302 transitions. [2021-11-20 23:41:02,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:41:02,294 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 [2021-11-20 23:41:02,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:02,298 INFO L225 Difference]: With dead ends: 219 [2021-11-20 23:41:02,298 INFO L226 Difference]: Without dead ends: 215 [2021-11-20 23:41:02,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:41:02,300 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 155 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 54 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 139.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 54 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 144.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:02,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 824 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 54 Unknown, 0 Unchecked, 144.7s Time] [2021-11-20 23:41:02,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-20 23:41:02,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 199. [2021-11-20 23:41:02,318 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) [2021-11-20 23:41:02,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 276 transitions. [2021-11-20 23:41:02,322 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 276 transitions. Word has length 11 [2021-11-20 23:41:02,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:02,322 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 276 transitions. [2021-11-20 23:41:02,322 INFO L471 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) [2021-11-20 23:41:02,323 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 276 transitions. [2021-11-20 23:41:02,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-20 23:41:02,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:02,324 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:41:02,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:41:02,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:41:02,529 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:41:02,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:02,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1358869062, now seen corresponding path program 1 times [2021-11-20 23:41:02,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:41:02,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832096443] [2021-11-20 23:41:02,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:02,531 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:41:02,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:41:02,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:41:02,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 23:41:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:02,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 23:41:02,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:41:03,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-11-20 23:41:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:41:04,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:41:05,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-11-20 23:41:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:41:06,839 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:41:06,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832096443] [2021-11-20 23:41:06,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832096443] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:41:06,840 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:41:06,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 23:41:06,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65129589] [2021-11-20 23:41:06,840 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:41:06,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:41:06,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:41:06,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:41:06,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:41:06,842 INFO L87 Difference]: Start difference. First operand 199 states and 276 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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) [2021-11-20 23:41:07,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:07,376 INFO L93 Difference]: Finished difference Result 199 states and 276 transitions. [2021-11-20 23:41:07,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:41:07,377 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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 [2021-11-20 23:41:07,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:07,377 INFO L225 Difference]: With dead ends: 199 [2021-11-20 23:41:07,377 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 23:41:07,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-20 23:41:07,381 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:07,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 16 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 2 Unchecked, 0.2s Time] [2021-11-20 23:41:07,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 23:41:07,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 23:41:07,383 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) [2021-11-20 23:41:07,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 23:41:07,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-11-20 23:41:07,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:07,384 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 23:41:07,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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) [2021-11-20 23:41:07,384 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 23:41:07,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 23:41:07,387 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:41:07,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:41:07,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:41:07,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 23:41:08,796 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2021-11-20 23:41:08,796 INFO L858 garLoopResultBuilder]: For program point L31-1(lines 19 38) no Hoare annotation was computed. [2021-11-20 23:41:08,797 INFO L858 garLoopResultBuilder]: For program point L31-2(lines 31 36) no Hoare annotation was computed. [2021-11-20 23:41:08,797 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 19 38) no Hoare annotation was computed. [2021-11-20 23:41:08,797 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-11-20 23:41:08,797 INFO L861 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2021-11-20 23:41:08,798 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 19 38) no Hoare annotation was computed. [2021-11-20 23:41:08,798 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 19 38) the Hoare annotation is: true [2021-11-20 23:41:08,798 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 30) no Hoare annotation was computed. [2021-11-20 23:41:08,798 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 19 38) no Hoare annotation was computed. [2021-11-20 23:41:08,799 INFO L858 garLoopResultBuilder]: For program point L531-1(lines 531 536) no Hoare annotation was computed. [2021-11-20 23:41:08,799 INFO L854 garLoopResultBuilder]: At program point L531-2(lines 531 536) the Hoare annotation is: false [2021-11-20 23:41:08,799 INFO L858 garLoopResultBuilder]: For program point L531-3(lines 531 536) no Hoare annotation was computed. [2021-11-20 23:41:08,799 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 367) no Hoare annotation was computed. [2021-11-20 23:41:08,799 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 169) no Hoare annotation was computed. [2021-11-20 23:41:08,800 INFO L858 garLoopResultBuilder]: For program point L168-2(lines 168 169) no Hoare annotation was computed. [2021-11-20 23:41:08,800 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2021-11-20 23:41:08,800 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2021-11-20 23:41:08,800 INFO L858 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2021-11-20 23:41:08,801 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 309) no Hoare annotation was computed. [2021-11-20 23:41:08,801 INFO L858 garLoopResultBuilder]: For program point L367-2(line 367) no Hoare annotation was computed. [2021-11-20 23:41:08,801 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2021-11-20 23:41:08,801 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 103 108) no Hoare annotation was computed. [2021-11-20 23:41:08,802 INFO L858 garLoopResultBuilder]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2021-11-20 23:41:08,802 INFO L854 garLoopResultBuilder]: At program point L70(line 70) the Hoare annotation is: false [2021-11-20 23:41:08,802 INFO L854 garLoopResultBuilder]: At program point L103-2(lines 103 108) the Hoare annotation is: false [2021-11-20 23:41:08,802 INFO L858 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2021-11-20 23:41:08,803 INFO L858 garLoopResultBuilder]: For program point L103-3(lines 97 205) no Hoare annotation was computed. [2021-11-20 23:41:08,803 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 501) no Hoare annotation was computed. [2021-11-20 23:41:08,803 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 467 472) no Hoare annotation was computed. [2021-11-20 23:41:08,803 INFO L854 garLoopResultBuilder]: At program point L467-2(lines 467 472) the Hoare annotation is: false [2021-11-20 23:41:08,803 INFO L858 garLoopResultBuilder]: For program point L467-3(lines 467 472) no Hoare annotation was computed. [2021-11-20 23:41:08,804 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 79) no Hoare annotation was computed. [2021-11-20 23:41:08,804 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 304) no Hoare annotation was computed. [2021-11-20 23:41:08,804 INFO L858 garLoopResultBuilder]: For program point L270-1(lines 270 275) no Hoare annotation was computed. [2021-11-20 23:41:08,804 INFO L854 garLoopResultBuilder]: At program point L270-2(lines 270 275) the Hoare annotation is: (and (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (= |ULTIMATE.start___ieee754_pow_~y#1| (_ +zero 11 53))) [2021-11-20 23:41:08,805 INFO L854 garLoopResultBuilder]: At program point L204(lines 97 205) the Hoare annotation is: false [2021-11-20 23:41:08,805 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 72 77) no Hoare annotation was computed. [2021-11-20 23:41:08,805 INFO L854 garLoopResultBuilder]: At program point L72-2(lines 72 77) the Hoare annotation is: false [2021-11-20 23:41:08,805 INFO L858 garLoopResultBuilder]: For program point L72-3(lines 72 77) no Hoare annotation was computed. [2021-11-20 23:41:08,805 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 510) no Hoare annotation was computed. [2021-11-20 23:41:08,806 INFO L858 garLoopResultBuilder]: For program point L503-2(lines 496 510) no Hoare annotation was computed. [2021-11-20 23:41:08,806 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 351) no Hoare annotation was computed. [2021-11-20 23:41:08,806 INFO L858 garLoopResultBuilder]: For program point L305(lines 305 309) no Hoare annotation was computed. [2021-11-20 23:41:08,806 INFO L858 garLoopResultBuilder]: For program point L338-2(lines 263 562) no Hoare annotation was computed. [2021-11-20 23:41:08,807 INFO L858 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2021-11-20 23:41:08,807 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 350) no Hoare annotation was computed. [2021-11-20 23:41:08,807 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 308) no Hoare annotation was computed. [2021-11-20 23:41:08,807 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2021-11-20 23:41:08,807 INFO L854 garLoopResultBuilder]: At program point L208-2(lines 208 212) the Hoare annotation is: false [2021-11-20 23:41:08,808 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 412) no Hoare annotation was computed. [2021-11-20 23:41:08,808 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 381 474) no Hoare annotation was computed. [2021-11-20 23:41:08,808 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 342) no Hoare annotation was computed. [2021-11-20 23:41:08,808 INFO L858 garLoopResultBuilder]: For program point L374-1(lines 374 379) no Hoare annotation was computed. [2021-11-20 23:41:08,808 INFO L858 garLoopResultBuilder]: For program point L407-2(lines 407 412) no Hoare annotation was computed. [2021-11-20 23:41:08,809 INFO L854 garLoopResultBuilder]: At program point L374-2(lines 374 379) the Hoare annotation is: false [2021-11-20 23:41:08,809 INFO L858 garLoopResultBuilder]: For program point L341-2(lines 339 350) no Hoare annotation was computed. [2021-11-20 23:41:08,809 INFO L858 garLoopResultBuilder]: For program point L374-3(lines 374 379) no Hoare annotation was computed. [2021-11-20 23:41:08,809 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 508) no Hoare annotation was computed. [2021-11-20 23:41:08,809 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 281) no Hoare annotation was computed. [2021-11-20 23:41:08,809 INFO L858 garLoopResultBuilder]: For program point L276-1(lines 263 562) no Hoare annotation was computed. [2021-11-20 23:41:08,810 INFO L858 garLoopResultBuilder]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2021-11-20 23:41:08,810 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2021-11-20 23:41:08,810 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 192) no Hoare annotation was computed. [2021-11-20 23:41:08,810 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 46 51) no Hoare annotation was computed. [2021-11-20 23:41:08,810 INFO L854 garLoopResultBuilder]: At program point L46-2(lines 46 51) the Hoare annotation is: false [2021-11-20 23:41:08,810 INFO L858 garLoopResultBuilder]: For program point L46-3(lines 46 51) no Hoare annotation was computed. [2021-11-20 23:41:08,810 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 443 448) no Hoare annotation was computed. [2021-11-20 23:41:08,811 INFO L854 garLoopResultBuilder]: At program point L443-2(lines 443 448) the Hoare annotation is: false [2021-11-20 23:41:08,811 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 347) no Hoare annotation was computed. [2021-11-20 23:41:08,811 INFO L858 garLoopResultBuilder]: For program point L443-3(lines 443 448) no Hoare annotation was computed. [2021-11-20 23:41:08,811 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2021-11-20 23:41:08,811 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 579) no Hoare annotation was computed. [2021-11-20 23:41:08,812 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 478) no Hoare annotation was computed. [2021-11-20 23:41:08,812 INFO L858 garLoopResultBuilder]: For program point L477-2(lines 477 478) no Hoare annotation was computed. [2021-11-20 23:41:08,812 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 218) no Hoare annotation was computed. [2021-11-20 23:41:08,812 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2021-11-20 23:41:08,812 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 206 220) no Hoare annotation was computed. [2021-11-20 23:41:08,813 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 218) no Hoare annotation was computed. [2021-11-20 23:41:08,813 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 119) no Hoare annotation was computed. [2021-11-20 23:41:08,813 INFO L854 garLoopResultBuilder]: At program point L147-2(lines 147 157) the Hoare annotation is: false [2021-11-20 23:41:08,813 INFO L858 garLoopResultBuilder]: For program point L81(lines 81 84) no Hoare annotation was computed. [2021-11-20 23:41:08,814 INFO L858 garLoopResultBuilder]: For program point L114-2(lines 114 119) no Hoare annotation was computed. [2021-11-20 23:41:08,814 INFO L858 garLoopResultBuilder]: For program point L147-3(lines 147 157) no Hoare annotation was computed. [2021-11-20 23:41:08,814 INFO L858 garLoopResultBuilder]: For program point L577(line 577) no Hoare annotation was computed. [2021-11-20 23:41:08,814 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 347) no Hoare annotation was computed. [2021-11-20 23:41:08,814 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 334) no Hoare annotation was computed. [2021-11-20 23:41:08,815 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed. [2021-11-20 23:41:08,815 INFO L854 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: false [2021-11-20 23:41:08,815 INFO L858 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2021-11-20 23:41:08,815 INFO L858 garLoopResultBuilder]: For program point L314(lines 314 321) no Hoare annotation was computed. [2021-11-20 23:41:08,815 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 190) no Hoare annotation was computed. [2021-11-20 23:41:08,816 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2021-11-20 23:41:08,816 INFO L858 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2021-11-20 23:41:08,816 INFO L858 garLoopResultBuilder]: For program point L546-1(lines 546 550) no Hoare annotation was computed. [2021-11-20 23:41:08,816 INFO L854 garLoopResultBuilder]: At program point L546-2(lines 546 550) the Hoare annotation is: false [2021-11-20 23:41:08,816 INFO L858 garLoopResultBuilder]: For program point L546-3(lines 546 550) no Hoare annotation was computed. [2021-11-20 23:41:08,817 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 320) no Hoare annotation was computed. [2021-11-20 23:41:08,817 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-11-20 23:41:08,817 INFO L854 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: false [2021-11-20 23:41:08,817 INFO L858 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-11-20 23:41:08,818 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 481 486) no Hoare annotation was computed. [2021-11-20 23:41:08,818 INFO L854 garLoopResultBuilder]: At program point L481-2(lines 481 486) the Hoare annotation is: false [2021-11-20 23:41:08,818 INFO L858 garLoopResultBuilder]: For program point L481-3(lines 481 486) no Hoare annotation was computed. [2021-11-20 23:41:08,818 INFO L861 garLoopResultBuilder]: At program point L581(lines 564 582) the Hoare annotation is: true [2021-11-20 23:41:08,818 INFO L858 garLoopResultBuilder]: For program point L515(lines 515 529) no Hoare annotation was computed. [2021-11-20 23:41:08,819 INFO L858 garLoopResultBuilder]: For program point L515-2(lines 515 529) no Hoare annotation was computed. [2021-11-20 23:41:08,819 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 23:41:08,819 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 320) no Hoare annotation was computed. [2021-11-20 23:41:08,819 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 190) no Hoare annotation was computed. [2021-11-20 23:41:08,819 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 65) no Hoare annotation was computed. [2021-11-20 23:41:08,820 INFO L858 garLoopResultBuilder]: For program point L53-2(lines 44 94) no Hoare annotation was computed. [2021-11-20 23:41:08,820 INFO L858 garLoopResultBuilder]: For program point L318(line 318) no Hoare annotation was computed. [2021-11-20 23:41:08,820 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 286) no Hoare annotation was computed. [2021-11-20 23:41:08,820 INFO L858 garLoopResultBuilder]: For program point L318-2(line 318) no Hoare annotation was computed. [2021-11-20 23:41:08,820 INFO L854 garLoopResultBuilder]: At program point L219(lines 206 220) the Hoare annotation is: false [2021-11-20 23:41:08,821 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 187) no Hoare annotation was computed. [2021-11-20 23:41:08,821 INFO L858 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2021-11-20 23:41:08,821 INFO L858 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2021-11-20 23:41:08,821 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 87 92) no Hoare annotation was computed. [2021-11-20 23:41:08,822 INFO L854 garLoopResultBuilder]: At program point L87-2(lines 87 92) the Hoare annotation is: false [2021-11-20 23:41:08,822 INFO L858 garLoopResultBuilder]: For program point L87-3(lines 87 92) no Hoare annotation was computed. [2021-11-20 23:41:08,822 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 393) no Hoare annotation was computed. [2021-11-20 23:41:08,822 INFO L858 garLoopResultBuilder]: For program point L418-1(lines 418 423) no Hoare annotation was computed. [2021-11-20 23:41:08,822 INFO L858 garLoopResultBuilder]: For program point L385-1(lines 385 393) no Hoare annotation was computed. [2021-11-20 23:41:08,823 INFO L854 garLoopResultBuilder]: At program point L418-2(lines 418 423) the Hoare annotation is: false [2021-11-20 23:41:08,823 INFO L858 garLoopResultBuilder]: For program point L418-3(lines 418 423) no Hoare annotation was computed. [2021-11-20 23:41:08,823 INFO L858 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2021-11-20 23:41:08,823 INFO L858 garLoopResultBuilder]: For program point L320-2(line 320) no Hoare annotation was computed. [2021-11-20 23:41:08,823 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 133) no Hoare annotation was computed. [2021-11-20 23:41:08,824 INFO L858 garLoopResultBuilder]: For program point L122-2(lines 122 133) no Hoare annotation was computed. [2021-11-20 23:41:08,824 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2021-11-20 23:41:08,824 INFO L858 garLoopResultBuilder]: For program point L519-1(lines 519 524) no Hoare annotation was computed. [2021-11-20 23:41:08,824 INFO L854 garLoopResultBuilder]: At program point L519-2(lines 519 524) the Hoare annotation is: false [2021-11-20 23:41:08,824 INFO L858 garLoopResultBuilder]: For program point L519-3(lines 519 524) no Hoare annotation was computed. [2021-11-20 23:41:08,825 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2021-11-20 23:41:08,825 INFO L854 garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2021-11-20 23:41:08,825 INFO L858 garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2021-11-20 23:41:08,825 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-11-20 23:41:08,825 INFO L854 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2021-11-20 23:41:08,826 INFO L858 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-11-20 23:41:08,826 INFO L858 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2021-11-20 23:41:08,826 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 327) no Hoare annotation was computed. [2021-11-20 23:41:08,826 INFO L854 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2021-11-20 23:41:08,827 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 23:41:08,827 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 455 460) no Hoare annotation was computed. [2021-11-20 23:41:08,827 INFO L854 garLoopResultBuilder]: At program point L455-2(lines 455 460) the Hoare annotation is: false [2021-11-20 23:41:08,827 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 474) no Hoare annotation was computed. [2021-11-20 23:41:08,827 INFO L858 garLoopResultBuilder]: For program point L455-3(lines 455 460) no Hoare annotation was computed. [2021-11-20 23:41:08,828 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 326) no Hoare annotation was computed. [2021-11-20 23:41:08,828 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 293) no Hoare annotation was computed. [2021-11-20 23:41:08,828 INFO L858 garLoopResultBuilder]: For program point L356-2(lines 356 474) no Hoare annotation was computed. [2021-11-20 23:41:08,828 INFO L858 garLoopResultBuilder]: For program point L555-1(lines 555 560) no Hoare annotation was computed. [2021-11-20 23:41:08,828 INFO L854 garLoopResultBuilder]: At program point L555-2(lines 555 560) the Hoare annotation is: false [2021-11-20 23:41:08,829 INFO L858 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2021-11-20 23:41:08,829 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 362) no Hoare annotation was computed. [2021-11-20 23:41:08,829 INFO L858 garLoopResultBuilder]: For program point L357-2(lines 356 381) no Hoare annotation was computed. [2021-11-20 23:41:08,829 INFO L854 garLoopResultBuilder]: At program point L93(lines 44 94) the Hoare annotation is: false [2021-11-20 23:41:08,829 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 490 495) no Hoare annotation was computed. [2021-11-20 23:41:08,830 INFO L854 garLoopResultBuilder]: At program point L490-2(lines 490 495) the Hoare annotation is: false [2021-11-20 23:41:08,830 INFO L858 garLoopResultBuilder]: For program point L490-3(lines 263 562) no Hoare annotation was computed. [2021-11-20 23:41:08,830 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 359) no Hoare annotation was computed. [2021-11-20 23:41:08,830 INFO L854 garLoopResultBuilder]: At program point L160-2(lines 160 176) the Hoare annotation is: false [2021-11-20 23:41:08,830 INFO L858 garLoopResultBuilder]: For program point L160-3(lines 97 205) no Hoare annotation was computed. [2021-11-20 23:41:08,830 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 23:41:08,831 INFO L858 garLoopResultBuilder]: For program point L359(line 359) no Hoare annotation was computed. [2021-11-20 23:41:08,831 INFO L858 garLoopResultBuilder]: For program point L359-2(line 359) no Hoare annotation was computed. [2021-11-20 23:41:08,831 INFO L858 garLoopResultBuilder]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2021-11-20 23:41:08,831 INFO L854 garLoopResultBuilder]: At program point L128-3(lines 128 129) the Hoare annotation is: false [2021-11-20 23:41:08,831 INFO L858 garLoopResultBuilder]: For program point L128-4(lines 128 129) no Hoare annotation was computed. [2021-11-20 23:41:08,832 INFO L858 garLoopResultBuilder]: For program point L426-1(lines 426 431) no Hoare annotation was computed. [2021-11-20 23:41:08,832 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 361) no Hoare annotation was computed. [2021-11-20 23:41:08,832 INFO L854 garLoopResultBuilder]: At program point L426-2(lines 426 431) the Hoare annotation is: false [2021-11-20 23:41:08,832 INFO L858 garLoopResultBuilder]: For program point L426-3(lines 426 431) no Hoare annotation was computed. [2021-11-20 23:41:08,832 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 196) no Hoare annotation was computed. [2021-11-20 23:41:08,833 INFO L858 garLoopResultBuilder]: For program point L195-2(lines 195 196) no Hoare annotation was computed. [2021-11-20 23:41:08,833 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2021-11-20 23:41:08,833 INFO L858 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2021-11-20 23:41:08,833 INFO L858 garLoopResultBuilder]: For program point L526-2(lines 526 527) no Hoare annotation was computed. [2021-11-20 23:41:08,833 INFO L858 garLoopResultBuilder]: For program point L361(line 361) no Hoare annotation was computed. [2021-11-20 23:41:08,833 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 329) no Hoare annotation was computed. [2021-11-20 23:41:08,834 INFO L858 garLoopResultBuilder]: For program point L361-2(line 361) no Hoare annotation was computed. [2021-11-20 23:41:08,834 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 172) no Hoare annotation was computed. [2021-11-20 23:41:08,834 INFO L858 garLoopResultBuilder]: For program point L163-2(lines 163 172) no Hoare annotation was computed. [2021-11-20 23:41:08,834 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 311) no Hoare annotation was computed. [2021-11-20 23:41:08,834 INFO L858 garLoopResultBuilder]: For program point L296-1(lines 263 562) no Hoare annotation was computed. [2021-11-20 23:41:08,834 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 23:41:08,835 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 577) no Hoare annotation was computed. [2021-11-20 23:41:08,835 INFO L854 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))) [2021-11-20 23:41:08,835 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 333) no Hoare annotation was computed. [2021-11-20 23:41:08,835 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 310) no Hoare annotation was computed. [2021-11-20 23:41:08,835 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 166) no Hoare annotation was computed. [2021-11-20 23:41:08,836 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2021-11-20 23:41:08,836 INFO L854 garLoopResultBuilder]: At program point L198-2(lines 198 203) the Hoare annotation is: false [2021-11-20 23:41:08,836 INFO L858 garLoopResultBuilder]: For program point L165-2(lines 165 166) no Hoare annotation was computed. [2021-11-20 23:41:08,836 INFO L858 garLoopResultBuilder]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2021-11-20 23:41:08,836 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 332) no Hoare annotation was computed. [2021-11-20 23:41:08,836 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 502) no Hoare annotation was computed. [2021-11-20 23:41:08,837 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2021-11-20 23:41:08,837 INFO L858 garLoopResultBuilder]: For program point L365(line 365) no Hoare annotation was computed. [2021-11-20 23:41:08,837 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 310) no Hoare annotation was computed. [2021-11-20 23:41:08,837 INFO L858 garLoopResultBuilder]: For program point L365-2(line 365) no Hoare annotation was computed. [2021-11-20 23:41:08,841 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-20 23:41:08,842 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:41:08,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:41:08 BoogieIcfgContainer [2021-11-20 23:41:08,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:41:08,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:41:08,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:41:08,858 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:41:08,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:38:33" (3/4) ... [2021-11-20 23:41:08,862 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 23:41:08,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-11-20 23:41:08,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-20 23:41:08,883 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-20 23:41:08,883 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 23:41:08,884 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 23:41:08,989 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 23:41:08,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:41:08,990 INFO L158 Benchmark]: Toolchain (without parser) took 207647.06ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 42.7MB in the beginning and 64.7MB in the end (delta: -22.0MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2021-11-20 23:41:08,990 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:41:08,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.57ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 35.3MB in the end (delta: 7.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 23:41:08,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.75ms. Allocated memory is still 62.9MB. Free memory was 35.3MB in the beginning and 30.9MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 23:41:08,991 INFO L158 Benchmark]: Boogie Preprocessor took 161.04ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 30.9MB in the beginning and 71.8MB in the end (delta: -40.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2021-11-20 23:41:08,992 INFO L158 Benchmark]: RCFGBuilder took 51318.69ms. Allocated memory is still 92.3MB. Free memory was 71.8MB in the beginning and 55.0MB in the end (delta: 16.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2021-11-20 23:41:08,992 INFO L158 Benchmark]: TraceAbstraction took 155347.54ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 47.8MB in the end (delta: 6.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-20 23:41:08,992 INFO L158 Benchmark]: Witness Printer took 130.96ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 64.7MB in the end (delta: -17.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-20 23:41:08,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.57ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 35.3MB in the end (delta: 7.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.75ms. Allocated memory is still 62.9MB. Free memory was 35.3MB in the beginning and 30.9MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 161.04ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 30.9MB in the beginning and 71.8MB in the end (delta: -40.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * RCFGBuilder took 51318.69ms. Allocated memory is still 92.3MB. Free memory was 71.8MB in the beginning and 55.0MB in the end (delta: 16.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * TraceAbstraction took 155347.54ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 47.8MB in the end (delta: 6.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Witness Printer took 130.96ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 64.7MB in the end (delta: -17.4MB). Peak memory consumption was 13.9MB. 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: 155.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 146.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 54 mSolverCounterUnknown, 159 SdHoareTripleChecker+Valid, 144.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 159 mSDsluCounter, 1122 SdHoareTripleChecker+Invalid, 140.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2 IncrementalHoareTripleChecker+Unchecked, 573 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 549 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.3s 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, 35 LocationsWithAnnotation, 45 PreInvPairs, 48 NumberOfFragments, 53 HoareAnnotationTreeSize, 45 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 6 QuantifiedInterpolants, 270 SizeOfPredicates, 12 NumberOfNonLiveVariables, 314 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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: 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: 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: 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: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && y == ~Pluszero~LONGDOUBLE() - 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! [2021-11-20 23:41:09,234 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 23:41:09,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d14eb8ff-e048-4ee3-88a9-539829a7ab1a/bin/utaipan-TEXQjIfE4P/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