./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0877.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0877.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl --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 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:10:02,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:10:02,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:10:02,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:10:02,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:10:02,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:10:02,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:10:02,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:10:02,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:10:02,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:10:02,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:10:02,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:10:02,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:10:02,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:10:02,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:10:02,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:10:02,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:10:02,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:10:02,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:10:02,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:10:02,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:10:02,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:10:02,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:10:02,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:10:02,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:10:02,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:10:02,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:10:02,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:10:02,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:10:02,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:10:02,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:10:02,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:10:02,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:10:02,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:10:02,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:10:02,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:10:02,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:10:02,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:10:02,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:10:02,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:10:02,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:10:02,870 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:10:02,920 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:10:02,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:10:02,921 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:10:02,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:10:02,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:10:02,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:10:02,924 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:10:02,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:10:02,924 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:10:02,924 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:10:02,926 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:10:02,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:10:02,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:10:02,927 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:10:02,927 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:10:02,927 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:10:02,927 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:10:02,928 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:10:02,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:10:02,930 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:10:02,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:10:02,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:10:02,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:10:02,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:10:02,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:10:02,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:10:02,933 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:10:02,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:10:02,934 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:10:02,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:10:02,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:10:02,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:10:02,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:10:02,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:10:02,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:10:02,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:10:02,936 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:10:02,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:10:02,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:10:02,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:10:02,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:10:02,937 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_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 [2021-11-23 17:10:03,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:10:03,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:10:03,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:10:03,320 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:10:03,321 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:10:03,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2021-11-23 17:10:03,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/data/d43c2dfa7/0db3196498e04e669c8217638148640d/FLAG780ed5904 [2021-11-23 17:10:04,043 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:10:04,044 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2021-11-23 17:10:04,073 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/data/d43c2dfa7/0db3196498e04e669c8217638148640d/FLAG780ed5904 [2021-11-23 17:10:04,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/data/d43c2dfa7/0db3196498e04e669c8217638148640d [2021-11-23 17:10:04,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:10:04,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:10:04,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:10:04,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:10:04,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:10:04,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:10:04" (1/1) ... [2021-11-23 17:10:04,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162ed7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:04, skipping insertion in model container [2021-11-23 17:10:04,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:10:04" (1/1) ... [2021-11-23 17:10:04,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:10:04,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:10:04,752 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$50(StandardFunctionHandler.java:415) 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) [2021-11-23 17:10:04,760 INFO L158 Benchmark]: Toolchain (without parser) took 421.49ms. Allocated memory is still 115.3MB. Free memory was 78.0MB in the beginning and 88.8MB in the end (delta: -10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:10:04,761 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:10:04,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.50ms. Allocated memory is still 115.3MB. Free memory was 77.8MB in the beginning and 88.8MB in the end (delta: -11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:10:04,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.50ms. Allocated memory is still 115.3MB. Free memory was 77.8MB in the beginning and 88.8MB in the end (delta: -11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java: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_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0877.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl --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 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:10:07,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:10:07,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:10:07,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:10:07,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:10:07,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:10:07,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:10:07,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:10:07,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:10:07,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:10:07,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:10:07,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:10:07,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:10:07,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:10:07,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:10:07,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:10:07,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:10:07,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:10:07,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:10:07,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:10:07,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:10:07,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:10:07,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:10:07,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:10:07,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:10:07,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:10:07,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:10:07,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:10:07,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:10:07,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:10:07,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:10:07,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:10:07,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:10:07,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:10:07,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:10:07,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:10:07,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:10:07,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:10:07,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:10:07,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:10:07,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:10:07,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:10:07,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:10:07,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:10:07,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:10:07,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:10:07,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:10:07,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:10:07,734 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:10:07,734 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:10:07,735 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:10:07,735 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:10:07,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:10:07,736 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:10:07,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:10:07,739 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:10:07,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:10:07,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:10:07,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:10:07,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:10:07,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:10:07,740 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:10:07,740 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:10:07,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:10:07,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:10:07,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:10:07,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:10:07,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:10:07,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:10:07,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:10:07,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:10:07,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:10:07,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:10:07,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:10:07,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:10:07,744 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:10:07,744 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:10:07,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:10:07,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:10:07,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:10:07,746 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_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 [2021-11-23 17:10:08,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:10:08,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:10:08,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:10:08,300 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:10:08,301 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:10:08,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2021-11-23 17:10:08,406 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/data/f0bed8fe6/0900768f6374402da8855df113850f9c/FLAG4522f617e [2021-11-23 17:10:09,192 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:10:09,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2021-11-23 17:10:09,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/data/f0bed8fe6/0900768f6374402da8855df113850f9c/FLAG4522f617e [2021-11-23 17:10:09,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/data/f0bed8fe6/0900768f6374402da8855df113850f9c [2021-11-23 17:10:09,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:10:09,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:10:09,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:10:09,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:10:09,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:10:09,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:10:09" (1/1) ... [2021-11-23 17:10:09,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38387893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:09, skipping insertion in model container [2021-11-23 17:10:09,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:10:09" (1/1) ... [2021-11-23 17:10:09,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:10:09,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:10:09,921 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_0feee81f-6bd7-4fdf-b225-b31738a945b3/sv-benchmarks/c/float-newlib/float_req_bl_0877.c[14284,14297] [2021-11-23 17:10:09,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:10:09,942 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:10:10,119 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_0feee81f-6bd7-4fdf-b225-b31738a945b3/sv-benchmarks/c/float-newlib/float_req_bl_0877.c[14284,14297] [2021-11-23 17:10:10,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:10:10,151 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:10:10,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:10 WrapperNode [2021-11-23 17:10:10,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:10:10,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:10:10,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:10:10,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:10:10,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:10" (1/1) ... [2021-11-23 17:10:10,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:10" (1/1) ... [2021-11-23 17:10:10,306 INFO L137 Inliner]: procedures = 27, calls = 197, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 735 [2021-11-23 17:10:10,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:10:10,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:10:10,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:10:10,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:10:10,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:10" (1/1) ... [2021-11-23 17:10:10,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:10" (1/1) ... [2021-11-23 17:10:10,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:10" (1/1) ... [2021-11-23 17:10:10,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:10" (1/1) ... [2021-11-23 17:10:10,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:10" (1/1) ... [2021-11-23 17:10:10,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:10" (1/1) ... [2021-11-23 17:10:10,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:10" (1/1) ... [2021-11-23 17:10:10,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:10:10,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:10:10,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:10:10,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:10:10,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:10" (1/1) ... [2021-11-23 17:10:10,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:10:10,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:10:10,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:10:10,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:10:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:10:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:10:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:10:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-23 17:10:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-23 17:10:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-23 17:10:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:10:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-23 17:10:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-23 17:10:10,539 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-23 17:10:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-23 17:10:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:10:10,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:10:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:10:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:10:10,818 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:10:10,820 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:10:35,026 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:10:35,038 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:10:35,039 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-23 17:10:35,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:10:35 BoogieIcfgContainer [2021-11-23 17:10:35,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:10:35,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:10:35,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:10:35,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:10:35,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:10:09" (1/3) ... [2021-11-23 17:10:35,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580770b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:10:35, skipping insertion in model container [2021-11-23 17:10:35,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:10" (2/3) ... [2021-11-23 17:10:35,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580770b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:10:35, skipping insertion in model container [2021-11-23 17:10:35,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:10:35" (3/3) ... [2021-11-23 17:10:35,057 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0877.c [2021-11-23 17:10:35,064 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:10:35,064 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:10:35,116 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:10:35,126 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 [2021-11-23 17:10:35,126 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:10:35,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 199 states, 190 states have (on average 1.7157894736842105) internal successors, (326), 191 states have internal predecessors, (326), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 17:10:35,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 17:10:35,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:10:35,165 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:10:35,166 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:10:35,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:10:35,174 INFO L85 PathProgramCache]: Analyzing trace with hash -2090504015, now seen corresponding path program 1 times [2021-11-23 17:10:35,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:10:35,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036500180] [2021-11-23 17:10:35,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:10:35,192 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:10:35,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:10:35,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:10:35,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:10:35,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:10:35,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:10:35,513 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) [2021-11-23 17:10:35,519 INFO L158 Benchmark]: Toolchain (without parser) took 26079.14ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 25.8MB in the beginning and 41.9MB in the end (delta: -16.1MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-23 17:10:35,524 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 50.3MB. Free memory was 30.2MB in the beginning and 30.2MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:10:35,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 711.79ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 25.5MB in the beginning and 35.9MB in the end (delta: -10.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 17:10:35,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.22ms. Allocated memory is still 67.1MB. Free memory was 35.7MB in the beginning and 46.5MB in the end (delta: -10.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 17:10:35,530 INFO L158 Benchmark]: Boogie Preprocessor took 97.78ms. Allocated memory is still 67.1MB. Free memory was 46.5MB in the beginning and 42.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:10:35,532 INFO L158 Benchmark]: RCFGBuilder took 24635.88ms. Allocated memory is still 67.1MB. Free memory was 42.0MB in the beginning and 35.4MB in the end (delta: 6.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2021-11-23 17:10:35,534 INFO L158 Benchmark]: TraceAbstraction took 472.33ms. Allocated memory is still 67.1MB. Free memory was 34.7MB in the beginning and 41.9MB in the end (delta: -7.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:10:35,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 50.3MB. Free memory was 30.2MB in the beginning and 30.2MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 711.79ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 25.5MB in the beginning and 35.9MB in the end (delta: -10.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.22ms. Allocated memory is still 67.1MB. Free memory was 35.7MB in the beginning and 46.5MB in the end (delta: -10.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.78ms. Allocated memory is still 67.1MB. Free memory was 46.5MB in the beginning and 42.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 24635.88ms. Allocated memory is still 67.1MB. Free memory was 42.0MB in the beginning and 35.4MB in the end (delta: 6.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * TraceAbstraction took 472.33ms. Allocated memory is still 67.1MB. Free memory was 34.7MB in the beginning and 41.9MB in the end (delta: -7.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:10:35,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0feee81f-6bd7-4fdf-b225-b31738a945b3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable