./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0872b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0872b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8 --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 0d34c6cc7037b323707b1dfff7ad62ce68e6b418a4401016bfea81cbd802316d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:26:02,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:26:02,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:26:02,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:26:02,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:26:02,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:26:02,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:26:02,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:26:02,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:26:02,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:26:02,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:26:02,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:26:02,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:26:02,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:26:02,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:26:02,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:26:02,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:26:02,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:26:02,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:26:02,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:26:02,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:26:02,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:26:02,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:26:02,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:26:02,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:26:02,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:26:02,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:26:02,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:26:02,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:26:02,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:26:02,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:26:02,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:26:02,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:26:02,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:26:02,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:26:02,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:26:02,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:26:02,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:26:02,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:26:02,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:26:02,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:26:02,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:26:02,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:26:02,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:26:02,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:26:02,446 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:26:02,447 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:26:02,447 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:26:02,447 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:26:02,447 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:26:02,448 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:26:02,448 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:26:02,448 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:26:02,448 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:26:02,449 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:26:02,449 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:26:02,449 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:26:02,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:26:02,450 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:26:02,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:26:02,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:26:02,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:26:02,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:26:02,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:26:02,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:26:02,452 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:26:02,452 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:26:02,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:26:02,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:26:02,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:26:02,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:26:02,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:26:02,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:26:02,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:26:02,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:26:02,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:26:02,454 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:26:02,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:26:02,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:26:02,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:26:02,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:26:02,455 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_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d34c6cc7037b323707b1dfff7ad62ce68e6b418a4401016bfea81cbd802316d [2021-11-07 01:26:02,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:26:02,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:26:02,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:26:02,746 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:26:02,746 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:26:02,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/float-newlib/float_req_bl_0872b.c [2021-11-07 01:26:02,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/data/0d0d79c1d/f003975968cf40b09fb46cd29ebaef49/FLAG3614f1ca3 [2021-11-07 01:26:03,397 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:26:03,398 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/sv-benchmarks/c/float-newlib/float_req_bl_0872b.c [2021-11-07 01:26:03,410 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/data/0d0d79c1d/f003975968cf40b09fb46cd29ebaef49/FLAG3614f1ca3 [2021-11-07 01:26:03,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/data/0d0d79c1d/f003975968cf40b09fb46cd29ebaef49 [2021-11-07 01:26:03,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:26:03,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:26:03,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:26:03,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:26:03,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:26:03,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:26:03" (1/1) ... [2021-11-07 01:26:03,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5dcba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:03, skipping insertion in model container [2021-11-07 01:26:03,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:26:03" (1/1) ... [2021-11-07 01:26:03,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:26:03,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:26:04,044 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:1712) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$43(StandardFunctionHandler.java:366) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2000) 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:1629) 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:1068) 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:1606) 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:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) 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:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) 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) [2021-11-07 01:26:04,048 INFO L168 Benchmark]: Toolchain (without parser) took 340.84 ms. Allocated memory is still 138.4 MB. Free memory was 100.8 MB in the beginning and 111.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:26:04,049 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 86.0 MB. Free memory was 56.8 MB in the beginning and 56.7 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:26:04,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.14 ms. Allocated memory is still 138.4 MB. Free memory was 100.8 MB in the beginning and 111.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:26:04,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 86.0 MB. Free memory was 56.8 MB in the beginning and 56.7 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 336.14 ms. Allocated memory is still 138.4 MB. Free memory was 100.8 MB in the beginning and 111.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- 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_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0872b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8 --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 0d34c6cc7037b323707b1dfff7ad62ce68e6b418a4401016bfea81cbd802316d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:26:06,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:26:06,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:26:06,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:26:06,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:26:06,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:26:06,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:26:06,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:26:06,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:26:06,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:26:06,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:26:06,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:26:06,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:26:06,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:26:06,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:26:06,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:26:06,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:26:06,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:26:06,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:26:06,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:26:06,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:26:06,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:26:06,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:26:06,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:26:06,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:26:06,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:26:06,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:26:06,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:26:06,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:26:06,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:26:06,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:26:06,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:26:06,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:26:06,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:26:06,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:26:06,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:26:06,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:26:06,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:26:06,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:26:06,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:26:06,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:26:06,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:26:06,537 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:26:06,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:26:06,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:26:06,539 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:26:06,539 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:26:06,540 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:26:06,540 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:26:06,540 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:26:06,541 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:26:06,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:26:06,544 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:26:06,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:26:06,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:26:06,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:26:06,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:26:06,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:26:06,546 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:26:06,546 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:26:06,546 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:26:06,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:26:06,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:26:06,547 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:26:06,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:26:06,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:26:06,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:26:06,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:26:06,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:26:06,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:26:06,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:26:06,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:26:06,549 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:26:06,549 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:26:06,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:26:06,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:26:06,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:26:06,550 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_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d34c6cc7037b323707b1dfff7ad62ce68e6b418a4401016bfea81cbd802316d [2021-11-07 01:26:06,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:26:06,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:26:06,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:26:06,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:26:06,957 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:26:06,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/float-newlib/float_req_bl_0872b.c [2021-11-07 01:26:07,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/data/3aa31e77a/30926514e6ea4aae99f40af64227819e/FLAGf891cfc8a [2021-11-07 01:26:07,734 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:26:07,735 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/sv-benchmarks/c/float-newlib/float_req_bl_0872b.c [2021-11-07 01:26:07,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/data/3aa31e77a/30926514e6ea4aae99f40af64227819e/FLAGf891cfc8a [2021-11-07 01:26:08,013 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/data/3aa31e77a/30926514e6ea4aae99f40af64227819e [2021-11-07 01:26:08,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:26:08,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:26:08,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:26:08,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:26:08,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:26:08,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:26:08" (1/1) ... [2021-11-07 01:26:08,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4fdaed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08, skipping insertion in model container [2021-11-07 01:26:08,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:26:08" (1/1) ... [2021-11-07 01:26:08,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:26:08,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:26:08,426 WARN L228 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_ddea2c5a-8625-4c5b-8771-35cbe25986e3/sv-benchmarks/c/float-newlib/float_req_bl_0872b.c[13800,13813] [2021-11-07 01:26:08,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:26:08,445 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:26:08,604 WARN L228 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_ddea2c5a-8625-4c5b-8771-35cbe25986e3/sv-benchmarks/c/float-newlib/float_req_bl_0872b.c[13800,13813] [2021-11-07 01:26:08,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:26:08,626 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:26:08,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08 WrapperNode [2021-11-07 01:26:08,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:26:08,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:26:08,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:26:08,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:26:08,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08" (1/1) ... [2021-11-07 01:26:08,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08" (1/1) ... [2021-11-07 01:26:08,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:26:08,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:26:08,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:26:08,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:26:08,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08" (1/1) ... [2021-11-07 01:26:08,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08" (1/1) ... [2021-11-07 01:26:08,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08" (1/1) ... [2021-11-07 01:26:08,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08" (1/1) ... [2021-11-07 01:26:08,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08" (1/1) ... [2021-11-07 01:26:08,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08" (1/1) ... [2021-11-07 01:26:08,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08" (1/1) ... [2021-11-07 01:26:08,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:26:08,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:26:08,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:26:08,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:26:08,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08" (1/1) ... [2021-11-07 01:26:08,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:26:08,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:26:08,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:26:08,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:26:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-07 01:26:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:26:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:26:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-07 01:26:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:26:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:26:08,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:26:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-07 01:26:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:26:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:26:34,821 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:26:34,821 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-07 01:26:34,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:26:34 BoogieIcfgContainer [2021-11-07 01:26:34,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:26:34,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:26:34,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:26:34,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:26:34,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:26:08" (1/3) ... [2021-11-07 01:26:34,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571aeb0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:26:34, skipping insertion in model container [2021-11-07 01:26:34,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:08" (2/3) ... [2021-11-07 01:26:34,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571aeb0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:26:34, skipping insertion in model container [2021-11-07 01:26:34,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:26:34" (3/3) ... [2021-11-07 01:26:34,834 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0872b.c [2021-11-07 01:26:34,840 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:26:34,841 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:26:34,892 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:26:34,898 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 [2021-11-07 01:26:34,899 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:26:34,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 195 states have (on average 1.7435897435897436) internal successors, (340), 196 states have internal predecessors, (340), 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) [2021-11-07 01:26:34,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 01:26:34,924 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:34,925 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:34,926 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:34,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:34,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1640381008, now seen corresponding path program 1 times [2021-11-07 01:26:34,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:34,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [362938445] [2021-11-07 01:26:34,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:34,949 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:34,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:34,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:35,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:26:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:36,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:26:36,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:36,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:36,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:36,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:36,218 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:36,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [362938445] [2021-11-07 01:26:36,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [362938445] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:36,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:36,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:26:36,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031548832] [2021-11-07 01:26:36,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:26:36,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:36,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:26:36,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:26:36,243 INFO L87 Difference]: Start difference. First operand has 197 states, 195 states have (on average 1.7435897435897436) internal successors, (340), 196 states have internal predecessors, (340), 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) 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) [2021-11-07 01:26:36,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:36,313 INFO L93 Difference]: Finished difference Result 392 states and 678 transitions. [2021-11-07 01:26:36,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:26:36,315 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 [2021-11-07 01:26:36,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:36,325 INFO L225 Difference]: With dead ends: 392 [2021-11-07 01:26:36,325 INFO L226 Difference]: Without dead ends: 194 [2021-11-07 01:26:36,329 INFO L786 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 [2021-11-07 01:26:36,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-11-07 01:26:36,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2021-11-07 01:26:36,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 193 states have (on average 1.3160621761658031) internal successors, (254), 193 states have internal predecessors, (254), 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) [2021-11-07 01:26:36,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2021-11-07 01:26:36,404 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 254 transitions. Word has length 9 [2021-11-07 01:26:36,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:36,404 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 254 transitions. [2021-11-07 01:26:36,405 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) [2021-11-07 01:26:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2021-11-07 01:26:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:26:36,406 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:36,406 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:36,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:36,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:26:36,621 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:36,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:36,622 INFO L85 PathProgramCache]: Analyzing trace with hash 559104083, now seen corresponding path program 1 times [2021-11-07 01:26:36,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:36,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485349127] [2021-11-07 01:26:36,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:36,623 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:36,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:36,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:36,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:26:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:37,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:26:37,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:38,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:38,451 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:38,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485349127] [2021-11-07 01:26:38,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485349127] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:38,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:38,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:26:38,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757085838] [2021-11-07 01:26:38,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:26:38,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:38,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:26:38,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:26:38,455 INFO L87 Difference]: Start difference. First operand 194 states and 254 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) [2021-11-07 01:27:39,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:39,215 INFO L93 Difference]: Finished difference Result 202 states and 260 transitions. [2021-11-07 01:27:39,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:27:39,224 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 [2021-11-07 01:27:39,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:39,227 INFO L225 Difference]: With dead ends: 202 [2021-11-07 01:27:39,227 INFO L226 Difference]: Without dead ends: 198 [2021-11-07 01:27:39,228 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:27:39,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-07 01:27:39,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 194. [2021-11-07 01:27:39,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 193 states have (on average 1.3005181347150259) internal successors, (251), 193 states have internal predecessors, (251), 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) [2021-11-07 01:27:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 251 transitions. [2021-11-07 01:27:39,247 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 251 transitions. Word has length 11 [2021-11-07 01:27:39,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:39,247 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 251 transitions. [2021-11-07 01:27:39,248 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) [2021-11-07 01:27:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 251 transitions. [2021-11-07 01:27:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 01:27:39,249 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:39,249 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:39,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:39,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:39,453 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:39,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:39,454 INFO L85 PathProgramCache]: Analyzing trace with hash -305795412, now seen corresponding path program 1 times [2021-11-07 01:27:39,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:39,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666672444] [2021-11-07 01:27:39,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:39,455 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:39,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:39,456 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:39,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:27:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:40,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:27:40,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:27:41,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:41,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:27:41,764 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:41,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666672444] [2021-11-07 01:27:41,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666672444] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:41,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:41,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:27:41,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258192763] [2021-11-07 01:27:41,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:27:41,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:41,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:27:41,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:27:41,767 INFO L87 Difference]: Start difference. First operand 194 states and 251 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) [2021-11-07 01:27:42,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:42,068 INFO L93 Difference]: Finished difference Result 194 states and 251 transitions. [2021-11-07 01:27:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:27:42,069 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 [2021-11-07 01:27:42,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:42,069 INFO L225 Difference]: With dead ends: 194 [2021-11-07 01:27:42,069 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:27:42,076 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:27:42,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:27:42,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:27:42,077 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) [2021-11-07 01:27:42,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:27:42,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-11-07 01:27:42,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:42,078 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:27:42,079 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) [2021-11-07 01:27:42,079 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:27:42,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:27:42,083 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:27:42,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:42,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:42,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:27:42,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:42,841 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 533) no Hoare annotation was computed. [2021-11-07 01:27:42,841 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 522 534) no Hoare annotation was computed. [2021-11-07 01:27:42,841 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 533) no Hoare annotation was computed. [2021-11-07 01:27:42,842 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 433 437) no Hoare annotation was computed. [2021-11-07 01:27:42,842 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 368) no Hoare annotation was computed. [2021-11-07 01:27:42,842 INFO L853 garLoopResultBuilder]: At program point L433-2(lines 433 437) the Hoare annotation is: false [2021-11-07 01:27:42,842 INFO L857 garLoopResultBuilder]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2021-11-07 01:27:42,842 INFO L853 garLoopResultBuilder]: At program point L170-2(lines 170 174) the Hoare annotation is: false [2021-11-07 01:27:42,842 INFO L857 garLoopResultBuilder]: For program point L170-3(lines 170 174) no Hoare annotation was computed. [2021-11-07 01:27:42,843 INFO L857 garLoopResultBuilder]: For program point L600(lines 600 603) no Hoare annotation was computed. [2021-11-07 01:27:42,843 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 502) no Hoare annotation was computed. [2021-11-07 01:27:42,843 INFO L857 garLoopResultBuilder]: For program point L402(lines 402 410) no Hoare annotation was computed. [2021-11-07 01:27:42,844 INFO L857 garLoopResultBuilder]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2021-11-07 01:27:42,844 INFO L857 garLoopResultBuilder]: For program point L303-1(lines 303 307) no Hoare annotation was computed. [2021-11-07 01:27:42,844 INFO L853 garLoopResultBuilder]: At program point L303-2(lines 303 307) the Hoare annotation is: (and (= (fp.neg (_ +zero 8 24)) ULTIMATE.start___ieee754_powf_~y) (= ~one_pow~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2021-11-07 01:27:42,844 INFO L857 garLoopResultBuilder]: For program point L601(line 601) no Hoare annotation was computed. [2021-11-07 01:27:42,845 INFO L857 garLoopResultBuilder]: For program point L238(lines 238 243) no Hoare annotation was computed. [2021-11-07 01:27:42,846 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 205 209) no Hoare annotation was computed. [2021-11-07 01:27:42,846 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 140) no Hoare annotation was computed. [2021-11-07 01:27:42,846 INFO L853 garLoopResultBuilder]: At program point L205-2(lines 205 209) the Hoare annotation is: false [2021-11-07 01:27:42,846 INFO L857 garLoopResultBuilder]: For program point L205-3(lines 205 209) no Hoare annotation was computed. [2021-11-07 01:27:42,846 INFO L857 garLoopResultBuilder]: For program point L139-2(lines 139 140) no Hoare annotation was computed. [2021-11-07 01:27:42,847 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2021-11-07 01:27:42,847 INFO L857 garLoopResultBuilder]: For program point L503-1(lines 297 586) no Hoare annotation was computed. [2021-11-07 01:27:42,847 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 343) no Hoare annotation was computed. [2021-11-07 01:27:42,847 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2021-11-07 01:27:42,848 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-11-07 01:27:42,848 INFO L857 garLoopResultBuilder]: For program point L438-1(lines 398 499) no Hoare annotation was computed. [2021-11-07 01:27:42,848 INFO L857 garLoopResultBuilder]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2021-11-07 01:27:42,848 INFO L853 garLoopResultBuilder]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2021-11-07 01:27:42,849 INFO L857 garLoopResultBuilder]: For program point L538(lines 538 550) no Hoare annotation was computed. [2021-11-07 01:27:42,851 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2021-11-07 01:27:42,851 INFO L853 garLoopResultBuilder]: At program point L571-2(lines 571 575) the Hoare annotation is: false [2021-11-07 01:27:42,856 INFO L857 garLoopResultBuilder]: For program point L538-2(lines 538 550) no Hoare annotation was computed. [2021-11-07 01:27:42,857 INFO L857 garLoopResultBuilder]: For program point L571-3(lines 571 575) no Hoare annotation was computed. [2021-11-07 01:27:42,857 INFO L857 garLoopResultBuilder]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2021-11-07 01:27:42,857 INFO L853 garLoopResultBuilder]: At program point L472-2(lines 472 476) the Hoare annotation is: false [2021-11-07 01:27:42,857 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 374) no Hoare annotation was computed. [2021-11-07 01:27:42,858 INFO L857 garLoopResultBuilder]: For program point L340(lines 340 343) no Hoare annotation was computed. [2021-11-07 01:27:42,859 INFO L853 garLoopResultBuilder]: At program point L175(lines 111 176) the Hoare annotation is: false [2021-11-07 01:27:42,859 INFO L860 garLoopResultBuilder]: At program point L605(lines 588 606) the Hoare annotation is: true [2021-11-07 01:27:42,859 INFO L857 garLoopResultBuilder]: For program point L341(line 341) no Hoare annotation was computed. [2021-11-07 01:27:42,861 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2021-11-07 01:27:42,861 INFO L857 garLoopResultBuilder]: For program point L308-1(lines 297 586) no Hoare annotation was computed. [2021-11-07 01:27:42,861 INFO L857 garLoopResultBuilder]: For program point L341-2(line 341) no Hoare annotation was computed. [2021-11-07 01:27:42,862 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2021-11-07 01:27:42,863 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 499) no Hoare annotation was computed. [2021-11-07 01:27:42,863 INFO L857 garLoopResultBuilder]: For program point L375-2(lines 375 499) no Hoare annotation was computed. [2021-11-07 01:27:42,863 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2021-11-07 01:27:42,863 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2021-11-07 01:27:42,864 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 297 586) no Hoare annotation was computed. [2021-11-07 01:27:42,864 INFO L853 garLoopResultBuilder]: At program point L541-2(lines 541 545) the Hoare annotation is: false [2021-11-07 01:27:42,864 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2021-11-07 01:27:42,868 INFO L857 garLoopResultBuilder]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2021-11-07 01:27:42,869 INFO L857 garLoopResultBuilder]: For program point L343(line 343) no Hoare annotation was computed. [2021-11-07 01:27:42,869 INFO L857 garLoopResultBuilder]: For program point L343-2(line 343) no Hoare annotation was computed. [2021-11-07 01:27:42,869 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:27:42,869 INFO L857 garLoopResultBuilder]: For program point L443-1(lines 398 499) no Hoare annotation was computed. [2021-11-07 01:27:42,869 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 378) no Hoare annotation was computed. [2021-11-07 01:27:42,870 INFO L857 garLoopResultBuilder]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:27:42,870 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 213) no Hoare annotation was computed. [2021-11-07 01:27:42,870 INFO L857 garLoopResultBuilder]: For program point L245-1(lines 245 249) no Hoare annotation was computed. [2021-11-07 01:27:42,870 INFO L853 garLoopResultBuilder]: At program point L245-2(lines 245 249) the Hoare annotation is: false [2021-11-07 01:27:42,871 INFO L857 garLoopResultBuilder]: For program point L179-1(lines 179 183) no Hoare annotation was computed. [2021-11-07 01:27:42,871 INFO L857 garLoopResultBuilder]: For program point L245-3(lines 245 249) no Hoare annotation was computed. [2021-11-07 01:27:42,871 INFO L853 garLoopResultBuilder]: At program point L179-2(lines 179 183) the Hoare annotation is: false [2021-11-07 01:27:42,871 INFO L857 garLoopResultBuilder]: For program point L179-5(lines 179 183) no Hoare annotation was computed. [2021-11-07 01:27:42,871 INFO L853 garLoopResultBuilder]: At program point L179-6(lines 179 183) the Hoare annotation is: false [2021-11-07 01:27:42,872 INFO L857 garLoopResultBuilder]: For program point L179-9(lines 179 183) no Hoare annotation was computed. [2021-11-07 01:27:42,872 INFO L853 garLoopResultBuilder]: At program point L179-10(lines 179 183) the Hoare annotation is: false [2021-11-07 01:27:42,872 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 481) no Hoare annotation was computed. [2021-11-07 01:27:42,872 INFO L857 garLoopResultBuilder]: For program point L477-1(lines 398 499) no Hoare annotation was computed. [2021-11-07 01:27:42,872 INFO L857 garLoopResultBuilder]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2021-11-07 01:27:42,874 INFO L857 garLoopResultBuilder]: For program point L378(line 378) no Hoare annotation was computed. [2021-11-07 01:27:42,875 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 350) no Hoare annotation was computed. [2021-11-07 01:27:42,875 INFO L857 garLoopResultBuilder]: For program point L378-2(line 378) no Hoare annotation was computed. [2021-11-07 01:27:42,875 INFO L853 garLoopResultBuilder]: At program point L147-2(lines 147 156) the Hoare annotation is: false [2021-11-07 01:27:42,875 INFO L857 garLoopResultBuilder]: For program point L147-3(lines 111 176) no Hoare annotation was computed. [2021-11-07 01:27:42,876 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 584) no Hoare annotation was computed. [2021-11-07 01:27:42,876 INFO L857 garLoopResultBuilder]: For program point L379(lines 379 380) no Hoare annotation was computed. [2021-11-07 01:27:42,876 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 349) no Hoare annotation was computed. [2021-11-07 01:27:42,876 INFO L857 garLoopResultBuilder]: For program point L214(lines 214 215) no Hoare annotation was computed. [2021-11-07 01:27:42,876 INFO L857 garLoopResultBuilder]: For program point L380(line 380) no Hoare annotation was computed. [2021-11-07 01:27:42,877 INFO L857 garLoopResultBuilder]: For program point L380-2(line 380) no Hoare annotation was computed. [2021-11-07 01:27:42,877 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2021-11-07 01:27:42,878 INFO L857 garLoopResultBuilder]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2021-11-07 01:27:42,883 INFO L857 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2021-11-07 01:27:42,883 INFO L853 garLoopResultBuilder]: At program point L116-2(lines 116 120) the Hoare annotation is: false [2021-11-07 01:27:42,883 INFO L857 garLoopResultBuilder]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2021-11-07 01:27:42,883 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 226) no Hoare annotation was computed. [2021-11-07 01:27:42,884 INFO L857 garLoopResultBuilder]: For program point L216-2(lines 216 226) no Hoare annotation was computed. [2021-11-07 01:27:42,884 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 548) no Hoare annotation was computed. [2021-11-07 01:27:42,884 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2021-11-07 01:27:42,884 INFO L853 garLoopResultBuilder]: At program point L580-2(lines 580 584) the Hoare annotation is: false [2021-11-07 01:27:42,884 INFO L857 garLoopResultBuilder]: For program point L547-2(lines 547 548) no Hoare annotation was computed. [2021-11-07 01:27:42,885 INFO L857 garLoopResultBuilder]: For program point L580-3(lines 577 584) no Hoare annotation was computed. [2021-11-07 01:27:42,885 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 423) no Hoare annotation was computed. [2021-11-07 01:27:42,885 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 317) no Hoare annotation was computed. [2021-11-07 01:27:42,885 INFO L853 garLoopResultBuilder]: At program point L250(lines 201 251) the Hoare annotation is: false [2021-11-07 01:27:42,885 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 188) no Hoare annotation was computed. [2021-11-07 01:27:42,885 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 177 195) no Hoare annotation was computed. [2021-11-07 01:27:42,886 INFO L857 garLoopResultBuilder]: For program point L184-3(lines 184 188) no Hoare annotation was computed. [2021-11-07 01:27:42,886 INFO L857 garLoopResultBuilder]: For program point L184-4(lines 177 195) no Hoare annotation was computed. [2021-11-07 01:27:42,886 INFO L857 garLoopResultBuilder]: For program point L184-6(lines 184 188) no Hoare annotation was computed. [2021-11-07 01:27:42,886 INFO L857 garLoopResultBuilder]: For program point L184-7(lines 177 195) no Hoare annotation was computed. [2021-11-07 01:27:42,889 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:27:42,889 INFO L857 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2021-11-07 01:27:42,891 INFO L853 garLoopResultBuilder]: At program point L218-2(lines 218 222) the Hoare annotation is: false [2021-11-07 01:27:42,891 INFO L857 garLoopResultBuilder]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2021-11-07 01:27:42,891 INFO L857 garLoopResultBuilder]: For program point L516-1(lines 516 520) no Hoare annotation was computed. [2021-11-07 01:27:42,891 INFO L853 garLoopResultBuilder]: At program point L516-2(lines 516 520) the Hoare annotation is: false [2021-11-07 01:27:42,891 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-11-07 01:27:42,892 INFO L857 garLoopResultBuilder]: For program point L516-3(lines 516 520) no Hoare annotation was computed. [2021-11-07 01:27:42,892 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 352) no Hoare annotation was computed. [2021-11-07 01:27:42,892 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 324) no Hoare annotation was computed. [2021-11-07 01:27:42,892 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 356) no Hoare annotation was computed. [2021-11-07 01:27:42,892 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 323) no Hoare annotation was computed. [2021-11-07 01:27:42,892 INFO L857 garLoopResultBuilder]: For program point L353-2(lines 353 356) no Hoare annotation was computed. [2021-11-07 01:27:42,893 INFO L857 garLoopResultBuilder]: For program point L254-1(lines 254 258) no Hoare annotation was computed. [2021-11-07 01:27:42,893 INFO L853 garLoopResultBuilder]: At program point L254-2(lines 254 258) the Hoare annotation is: false [2021-11-07 01:27:42,893 INFO L853 garLoopResultBuilder]: At program point L585(lines 297 586) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (= ~one_pow~0 .cse0) (= |ULTIMATE.start___ieee754_powf_#res| .cse0))) [2021-11-07 01:27:42,895 INFO L857 garLoopResultBuilder]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2021-11-07 01:27:42,895 INFO L853 garLoopResultBuilder]: At program point L552-2(lines 552 556) the Hoare annotation is: false [2021-11-07 01:27:42,895 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 355) no Hoare annotation was computed. [2021-11-07 01:27:42,895 INFO L857 garLoopResultBuilder]: For program point L387-1(lines 387 391) no Hoare annotation was computed. [2021-11-07 01:27:42,895 INFO L853 garLoopResultBuilder]: At program point L387-2(lines 387 391) the Hoare annotation is: false [2021-11-07 01:27:42,895 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 193) no Hoare annotation was computed. [2021-11-07 01:27:42,896 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 177 195) no Hoare annotation was computed. [2021-11-07 01:27:42,896 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 124) no Hoare annotation was computed. [2021-11-07 01:27:42,896 INFO L857 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2021-11-07 01:27:42,896 INFO L857 garLoopResultBuilder]: For program point L189-3(lines 189 193) no Hoare annotation was computed. [2021-11-07 01:27:42,896 INFO L857 garLoopResultBuilder]: For program point L189-4(lines 177 195) no Hoare annotation was computed. [2021-11-07 01:27:42,896 INFO L857 garLoopResultBuilder]: For program point L189-5(lines 189 193) no Hoare annotation was computed. [2021-11-07 01:27:42,897 INFO L857 garLoopResultBuilder]: For program point L189-6(lines 189 193) no Hoare annotation was computed. [2021-11-07 01:27:42,897 INFO L857 garLoopResultBuilder]: For program point L189-7(lines 177 195) no Hoare annotation was computed. [2021-11-07 01:27:42,897 INFO L857 garLoopResultBuilder]: For program point L189-8(lines 189 193) no Hoare annotation was computed. [2021-11-07 01:27:42,897 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:27:42,897 INFO L857 garLoopResultBuilder]: For program point L488-1(lines 488 492) no Hoare annotation was computed. [2021-11-07 01:27:42,897 INFO L853 garLoopResultBuilder]: At program point L488-2(lines 488 492) the Hoare annotation is: false [2021-11-07 01:27:42,898 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 225) no Hoare annotation was computed. [2021-11-07 01:27:42,898 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 167) no Hoare annotation was computed. [2021-11-07 01:27:42,898 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 534) no Hoare annotation was computed. [2021-11-07 01:27:42,898 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2021-11-07 01:27:42,899 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2021-11-07 01:27:42,899 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-11-07 01:27:42,899 INFO L857 garLoopResultBuilder]: For program point L424-1(lines 398 499) no Hoare annotation was computed. [2021-11-07 01:27:42,899 INFO L857 garLoopResultBuilder]: For program point L424-2(lines 424 428) no Hoare annotation was computed. [2021-11-07 01:27:42,899 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 263) no Hoare annotation was computed. [2021-11-07 01:27:42,899 INFO L857 garLoopResultBuilder]: For program point L259-1(lines 252 265) no Hoare annotation was computed. [2021-11-07 01:27:42,900 INFO L857 garLoopResultBuilder]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2021-11-07 01:27:42,900 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-11-07 01:27:42,900 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:27:42,900 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2021-11-07 01:27:42,900 INFO L857 garLoopResultBuilder]: For program point L557-1(lines 297 586) no Hoare annotation was computed. [2021-11-07 01:27:42,900 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 561) no Hoare annotation was computed. [2021-11-07 01:27:42,900 INFO L857 garLoopResultBuilder]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2021-11-07 01:27:42,901 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 396) no Hoare annotation was computed. [2021-11-07 01:27:42,901 INFO L853 garLoopResultBuilder]: At program point L458-2(lines 458 462) the Hoare annotation is: false [2021-11-07 01:27:42,901 INFO L857 garLoopResultBuilder]: For program point L392-1(lines 375 398) no Hoare annotation was computed. [2021-11-07 01:27:42,901 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 335) no Hoare annotation was computed. [2021-11-07 01:27:42,901 INFO L857 garLoopResultBuilder]: For program point L392-2(lines 392 396) no Hoare annotation was computed. [2021-11-07 01:27:42,902 INFO L857 garLoopResultBuilder]: For program point L326-1(lines 297 586) no Hoare annotation was computed. [2021-11-07 01:27:42,902 INFO L853 garLoopResultBuilder]: At program point L194(lines 177 195) the Hoare annotation is: false [2021-11-07 01:27:42,903 INFO L853 garLoopResultBuilder]: At program point L194-1(lines 177 195) the Hoare annotation is: false [2021-11-07 01:27:42,905 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 129) no Hoare annotation was computed. [2021-11-07 01:27:42,905 INFO L853 garLoopResultBuilder]: At program point L194-2(lines 177 195) the Hoare annotation is: false [2021-11-07 01:27:42,906 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 527) no Hoare annotation was computed. [2021-11-07 01:27:42,906 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 371) no Hoare annotation was computed. [2021-11-07 01:27:42,906 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 334) no Hoare annotation was computed. [2021-11-07 01:27:42,906 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 229) no Hoare annotation was computed. [2021-11-07 01:27:42,911 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 165) no Hoare annotation was computed. [2021-11-07 01:27:42,911 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2021-11-07 01:27:42,911 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2021-11-07 01:27:42,912 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 398 499) no Hoare annotation was computed. [2021-11-07 01:27:42,912 INFO L857 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2021-11-07 01:27:42,912 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 363) no Hoare annotation was computed. [2021-11-07 01:27:42,912 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 334) no Hoare annotation was computed. [2021-11-07 01:27:42,912 INFO L857 garLoopResultBuilder]: For program point L362-2(lines 360 371) no Hoare annotation was computed. [2021-11-07 01:27:42,912 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 237) no Hoare annotation was computed. [2021-11-07 01:27:42,912 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:27:42,913 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 601) no Hoare annotation was computed. [2021-11-07 01:27:42,913 INFO L853 garLoopResultBuilder]: At program point L264(lines 252 265) the Hoare annotation is: false [2021-11-07 01:27:42,913 INFO L857 garLoopResultBuilder]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2021-11-07 01:27:42,913 INFO L853 garLoopResultBuilder]: At program point L231-2(lines 231 235) the Hoare annotation is: false [2021-11-07 01:27:42,913 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 136) no Hoare annotation was computed. [2021-11-07 01:27:42,913 INFO L857 garLoopResultBuilder]: For program point L231-3(lines 231 235) no Hoare annotation was computed. [2021-11-07 01:27:42,913 INFO L857 garLoopResultBuilder]: For program point L132-2(lines 132 136) no Hoare annotation was computed. [2021-11-07 01:27:42,914 INFO L857 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-11-07 01:27:42,914 INFO L857 garLoopResultBuilder]: For program point L463(lines 463 467) no Hoare annotation was computed. [2021-11-07 01:27:42,914 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 398 499) no Hoare annotation was computed. [2021-11-07 01:27:42,914 INFO L857 garLoopResultBuilder]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2021-11-07 01:27:42,914 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 369) no Hoare annotation was computed. [2021-11-07 01:27:42,914 INFO L857 garLoopResultBuilder]: For program point L133-2(lines 133 134) no Hoare annotation was computed. [2021-11-07 01:27:42,915 INFO L853 garLoopResultBuilder]: At program point L133-3(lines 133 134) the Hoare annotation is: false [2021-11-07 01:27:42,915 INFO L857 garLoopResultBuilder]: For program point L133-4(lines 133 134) no Hoare annotation was computed. [2021-11-07 01:27:42,915 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 368) no Hoare annotation was computed. [2021-11-07 01:27:42,915 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 333) no Hoare annotation was computed. [2021-11-07 01:27:42,918 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-07 01:27:42,920 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:27:42,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:27:42 BoogieIcfgContainer [2021-11-07 01:27:42,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:27:42,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:27:42,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:27:42,936 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:27:42,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:26:34" (3/4) ... [2021-11-07 01:27:42,940 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:27:42,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-07 01:27:42,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-07 01:27:42,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:27:42,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:27:43,038 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:27:43,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:27:43,040 INFO L168 Benchmark]: Toolchain (without parser) took 95021.61 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 44.1 MB in the beginning and 47.4 MB in the end (delta: -3.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:43,040 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 52.4 MB. Free memory is still 32.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:27:43,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.84 ms. Allocated memory is still 67.1 MB. Free memory was 44.0 MB in the beginning and 37.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:43,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.56 ms. Allocated memory is still 67.1 MB. Free memory was 37.4 MB in the beginning and 32.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:43,041 INFO L168 Benchmark]: Boogie Preprocessor took 97.20 ms. Allocated memory is still 67.1 MB. Free memory was 32.9 MB in the beginning and 44.5 MB in the end (delta: -11.7 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:43,042 INFO L168 Benchmark]: RCFGBuilder took 26006.24 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 44.5 MB in the beginning and 62.5 MB in the end (delta: -17.9 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:43,042 INFO L168 Benchmark]: TraceAbstraction took 68108.62 ms. Allocated memory is still 90.2 MB. Free memory was 61.9 MB in the beginning and 60.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:43,043 INFO L168 Benchmark]: Witness Printer took 102.56 ms. Allocated memory is still 90.2 MB. Free memory was 60.0 MB in the beginning and 47.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:43,045 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 52.4 MB. Free memory is still 32.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 596.84 ms. Allocated memory is still 67.1 MB. Free memory was 44.0 MB in the beginning and 37.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.56 ms. Allocated memory is still 67.1 MB. Free memory was 37.4 MB in the beginning and 32.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.20 ms. Allocated memory is still 67.1 MB. Free memory was 32.9 MB in the beginning and 44.5 MB in the end (delta: -11.7 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 26006.24 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 44.5 MB in the beginning and 62.5 MB in the end (delta: -17.9 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 68108.62 ms. Allocated memory is still 90.2 MB. Free memory was 61.9 MB in the beginning and 60.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * Witness Printer took 102.56 ms. Allocated memory is still 90.2 MB. Free memory was 60.0 MB in the beginning and 47.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.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: 601]: 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 1 procedures, 197 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 68.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 61.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 495 SDtfs, 122 SDslu, 526 SDs, 0 SdLazy, 127 SolverSat, 2 SolverUnsat, 19 SolverUnknown, 0 SolverNotchecked, 59.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 35 NumberOfFragments, 57 HoareAnnotationTreeSize, 32 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 4 QuantifiedInterpolants, 269 SizeOfPredicates, 10 NumberOfNonLiveVariables, 343 ConjunctsInSsa, 13 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: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && \result == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == y && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:27:43,285 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-07 01:27:43,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddea2c5a-8625-4c5b-8771-35cbe25986e3/bin/utaipan-UUZaoUuFF8/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