./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS --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 7bd3d677fdf67dacdef98bd20ba7d08579ffed91ded83a3af991b1498e0eb81b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:21:16,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:21:16,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:21:16,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:21:16,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:21:16,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:21:16,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:21:16,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:21:16,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:21:16,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:21:16,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:21:16,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:21:16,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:21:16,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:21:16,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:21:16,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:21:16,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:21:16,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:21:16,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:21:16,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:21:16,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:21:16,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:21:16,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:21:16,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:21:16,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:21:16,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:21:16,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:21:16,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:21:16,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:21:16,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:21:16,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:21:16,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:21:16,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:21:16,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:21:16,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:21:16,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:21:16,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:21:16,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:21:16,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:21:16,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:21:16,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:21:16,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:21:16,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:21:16,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:21:16,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:21:16,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:21:16,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:21:16,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:21:16,573 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:21:16,573 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:21:16,573 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:21:16,573 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:21:16,575 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:21:16,575 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:21:16,575 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:21:16,576 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:21:16,576 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:21:16,576 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:21:16,577 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:21:16,577 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:21:16,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:21:16,578 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:21:16,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:21:16,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:21:16,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:21:16,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:21:16,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:21:16,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:21:16,582 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:21:16,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:21:16,582 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:21:16,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:21:16,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:21:16,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:21:16,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:16,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:21:16,584 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:21:16,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:21:16,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:21:16,586 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:21:16,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:21:16,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:21:16,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:21:16,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bd3d677fdf67dacdef98bd20ba7d08579ffed91ded83a3af991b1498e0eb81b [2022-11-19 08:21:16,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:21:16,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:21:16,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:21:16,968 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:21:16,972 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:21:16,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2022-11-19 08:21:17,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/data/ebd43347d/769c1e3711404691979367722f7761eb/FLAGa36e822d4 [2022-11-19 08:21:17,770 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:21:17,771 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2022-11-19 08:21:17,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/data/ebd43347d/769c1e3711404691979367722f7761eb/FLAGa36e822d4 [2022-11-19 08:21:18,050 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/data/ebd43347d/769c1e3711404691979367722f7761eb [2022-11-19 08:21:18,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:21:18,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:21:18,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:18,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:21:18,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:21:18,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:18" (1/1) ... [2022-11-19 08:21:18,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7182ab20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:18, skipping insertion in model container [2022-11-19 08:21:18,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:18" (1/1) ... [2022-11-19 08:21:18,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:21:18,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:21:18,543 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:789) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1873) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$60(StandardFunctionHandler.java:423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:239) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1462) 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:2060) 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:1668) 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:1086) 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:1645) 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:1086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1488) 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:3308) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2387) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-19 08:21:18,549 INFO L158 Benchmark]: Toolchain (without parser) took 490.70ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 91.1MB in the end (delta: -3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 08:21:18,554 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:21:18,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.23ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 91.1MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 08:21:18,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.23ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 91.1MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:789) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS --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 7bd3d677fdf67dacdef98bd20ba7d08579ffed91ded83a3af991b1498e0eb81b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:21:21,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:21:21,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:21:21,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:21:21,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:21:21,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:21:21,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:21:21,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:21:21,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:21:21,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:21:21,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:21:21,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:21:21,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:21:21,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:21:21,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:21:21,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:21:21,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:21:21,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:21:21,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:21:21,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:21:21,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:21:21,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:21:21,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:21:21,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:21:21,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:21:21,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:21:21,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:21:21,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:21:21,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:21:21,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:21:21,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:21:21,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:21:21,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:21:21,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:21:21,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:21:21,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:21:21,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:21:21,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:21:21,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:21:21,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:21:21,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:21:21,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-19 08:21:21,404 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:21:21,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:21:21,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:21:21,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:21:21,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:21:21,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:21:21,408 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:21:21,408 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:21:21,409 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:21:21,409 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:21:21,410 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:21:21,411 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:21:21,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:21:21,413 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:21:21,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:21:21,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:21:21,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:21:21,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:21:21,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:21:21,415 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:21:21,416 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 08:21:21,416 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 08:21:21,416 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:21:21,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:21:21,417 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:21:21,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:21:21,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:21:21,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 08:21:21,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:21:21,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:21,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:21:21,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:21:21,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:21:21,420 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 08:21:21,420 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 08:21:21,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:21:21,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:21:21,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 08:21:21,422 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_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bd3d677fdf67dacdef98bd20ba7d08579ffed91ded83a3af991b1498e0eb81b [2022-11-19 08:21:21,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:21:21,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:21:21,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:21:21,894 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:21:21,895 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:21:21,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2022-11-19 08:21:21,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/data/a3d8bd1f8/24295c3ca5b84abc8b6c2bee9b9d8d0b/FLAG4589710cb [2022-11-19 08:21:22,617 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:21:22,618 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2022-11-19 08:21:22,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/data/a3d8bd1f8/24295c3ca5b84abc8b6c2bee9b9d8d0b/FLAG4589710cb [2022-11-19 08:21:22,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/data/a3d8bd1f8/24295c3ca5b84abc8b6c2bee9b9d8d0b [2022-11-19 08:21:22,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:21:22,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:21:22,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:22,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:21:22,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:21:22,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:22" (1/1) ... [2022-11-19 08:21:22,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6883692c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:22, skipping insertion in model container [2022-11-19 08:21:22,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:22" (1/1) ... [2022-11-19 08:21:22,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:21:23,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:21:23,535 WARN L234 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_bc880ff4-0e2c-47db-918f-1d3b1134852a/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c[13991,14004] [2022-11-19 08:21:23,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:23,572 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:21:23,752 WARN L234 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_bc880ff4-0e2c-47db-918f-1d3b1134852a/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c[13991,14004] [2022-11-19 08:21:23,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:23,796 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:21:23,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23 WrapperNode [2022-11-19 08:21:23,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:23,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:23,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:21:23,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:21:23,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23" (1/1) ... [2022-11-19 08:21:23,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23" (1/1) ... [2022-11-19 08:21:23,887 INFO L138 Inliner]: procedures = 26, calls = 188, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 729 [2022-11-19 08:21:23,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:23,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:21:23,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:21:23,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:21:23,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23" (1/1) ... [2022-11-19 08:21:23,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23" (1/1) ... [2022-11-19 08:21:23,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23" (1/1) ... [2022-11-19 08:21:23,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23" (1/1) ... [2022-11-19 08:21:23,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23" (1/1) ... [2022-11-19 08:21:23,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23" (1/1) ... [2022-11-19 08:21:23,962 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23" (1/1) ... [2022-11-19 08:21:23,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23" (1/1) ... [2022-11-19 08:21:23,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:21:23,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:21:23,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:21:23,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:21:23,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23" (1/1) ... [2022-11-19 08:21:23,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:23,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:21:24,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:21:24,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:21:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:21:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 08:21:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:21:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-19 08:21:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 08:21:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-19 08:21:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-11-19 08:21:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-11-19 08:21:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-19 08:21:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:21:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:21:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 08:21:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:21:24,347 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:21:24,349 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:21:55,349 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:21:55,358 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:21:55,359 INFO L300 CfgBuilder]: Removed 70 assume(true) statements. [2022-11-19 08:21:55,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:55 BoogieIcfgContainer [2022-11-19 08:21:55,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:21:55,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:21:55,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:21:55,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:21:55,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:21:22" (1/3) ... [2022-11-19 08:21:55,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e525b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:21:55, skipping insertion in model container [2022-11-19 08:21:55,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:23" (2/3) ... [2022-11-19 08:21:55,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e525b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:21:55, skipping insertion in model container [2022-11-19 08:21:55,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:55" (3/3) ... [2022-11-19 08:21:55,374 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0870a.c [2022-11-19 08:21:55,398 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:21:55,398 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:21:55,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:21:55,474 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19ee0188, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:21:55,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:21:55,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 178 states have (on average 1.7303370786516854) internal successors, (308), 179 states have internal predecessors, (308), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 08:21:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 08:21:55,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:55,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:55,492 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:55,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:55,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1210935096, now seen corresponding path program 1 times [2022-11-19 08:21:55,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:21:55,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499800826] [2022-11-19 08:21:55,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:55,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:21:55,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:21:55,529 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:21:55,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 08:21:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:56,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 08:21:56,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:21:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:21:56,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:21:56,771 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:21:56,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499800826] [2022-11-19 08:21:56,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499800826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:56,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:56,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:21:56,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908236172] [2022-11-19 08:21:56,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:56,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:21:56,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:21:56,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:21:56,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:21:56,819 INFO L87 Difference]: Start difference. First operand has 184 states, 178 states have (on average 1.7303370786516854) internal successors, (308), 179 states have internal predecessors, (308), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:21:56,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:56,877 INFO L93 Difference]: Finished difference Result 365 states and 627 transitions. [2022-11-19 08:21:56,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:21:56,880 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-19 08:21:56,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:56,891 INFO L225 Difference]: With dead ends: 365 [2022-11-19 08:21:56,891 INFO L226 Difference]: Without dead ends: 180 [2022-11-19 08:21:56,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:21:56,899 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:56,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:21:56,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-19 08:21:56,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-11-19 08:21:56,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 175 states have (on average 1.3257142857142856) internal successors, (232), 175 states have internal predecessors, (232), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 08:21:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 238 transitions. [2022-11-19 08:21:56,996 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 238 transitions. Word has length 11 [2022-11-19 08:21:56,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:56,997 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 238 transitions. [2022-11-19 08:21:56,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:21:56,998 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2022-11-19 08:21:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 08:21:56,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:56,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:57,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:21:57,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:21:57,200 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:57,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:57,201 INFO L85 PathProgramCache]: Analyzing trace with hash 13155573, now seen corresponding path program 1 times [2022-11-19 08:21:57,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:21:57,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856026512] [2022-11-19 08:21:57,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:57,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:21:57,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:21:57,204 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:21:57,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-19 08:21:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:58,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-19 08:21:58,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:21:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:21:59,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:21:59,171 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:21:59,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856026512] [2022-11-19 08:21:59,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856026512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:59,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:59,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 08:21:59,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543848243] [2022-11-19 08:21:59,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:59,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:21:59,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:21:59,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:21:59,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:21:59,176 INFO L87 Difference]: Start difference. First operand 180 states and 238 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:21:59,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:59,251 INFO L93 Difference]: Finished difference Result 185 states and 242 transitions. [2022-11-19 08:21:59,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:21:59,251 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 08:21:59,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:59,253 INFO L225 Difference]: With dead ends: 185 [2022-11-19 08:21:59,253 INFO L226 Difference]: Without dead ends: 180 [2022-11-19 08:21:59,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:21:59,255 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 0 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:59,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1131 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 34 Unchecked, 0.0s Time] [2022-11-19 08:21:59,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-19 08:21:59,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-11-19 08:21:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 175 states have (on average 1.32) internal successors, (231), 175 states have internal predecessors, (231), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 08:21:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 237 transitions. [2022-11-19 08:21:59,270 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 237 transitions. Word has length 13 [2022-11-19 08:21:59,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:59,271 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 237 transitions. [2022-11-19 08:21:59,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:21:59,271 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 237 transitions. [2022-11-19 08:21:59,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 08:21:59,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:59,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:59,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:21:59,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:21:59,478 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:59,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:59,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1884936518, now seen corresponding path program 1 times [2022-11-19 08:21:59,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:21:59,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599764292] [2022-11-19 08:21:59,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:59,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:21:59,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:21:59,488 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:21:59,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-19 08:22:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:22:01,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:22:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:22:02,637 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-19 08:22:02,638 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:22:02,639 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:22:02,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:22:02,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:22:02,845 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-19 08:22:02,849 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:22:02,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:22:02 BoogieIcfgContainer [2022-11-19 08:22:02,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:22:02,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:22:02,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:22:02,972 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:22:02,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:55" (3/4) ... [2022-11-19 08:22:02,975 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-19 08:22:03,082 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:22:03,083 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:22:03,084 INFO L158 Benchmark]: Toolchain (without parser) took 40157.66ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 53.2MB in the beginning and 66.4MB in the end (delta: -13.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-19 08:22:03,084 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory was 53.6MB in the beginning and 53.5MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:22:03,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 867.47ms. Allocated memory is still 71.3MB. Free memory was 53.0MB in the beginning and 43.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:22:03,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.50ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 39.3MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:22:03,086 INFO L158 Benchmark]: Boogie Preprocessor took 85.02ms. Allocated memory is still 71.3MB. Free memory was 39.3MB in the beginning and 34.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:22:03,086 INFO L158 Benchmark]: RCFGBuilder took 31387.61ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 34.4MB in the beginning and 64.7MB in the end (delta: -30.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2022-11-19 08:22:03,087 INFO L158 Benchmark]: TraceAbstraction took 7605.86ms. Allocated memory is still 98.6MB. Free memory was 63.5MB in the beginning and 72.7MB in the end (delta: -9.2MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2022-11-19 08:22:03,087 INFO L158 Benchmark]: Witness Printer took 111.21ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 66.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 08:22:03,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory was 53.6MB in the beginning and 53.5MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 867.47ms. Allocated memory is still 71.3MB. Free memory was 53.0MB in the beginning and 43.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.50ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 39.3MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.02ms. Allocated memory is still 71.3MB. Free memory was 39.3MB in the beginning and 34.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 31387.61ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 34.4MB in the beginning and 64.7MB in the end (delta: -30.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7605.86ms. Allocated memory is still 98.6MB. Free memory was 63.5MB in the beginning and 72.7MB in the end (delta: -9.2MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Witness Printer took 111.21ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 66.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 609]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L197-L199] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L109] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L267-L295] static const float bp_pow[] = { 1.0, 1.5, }, dp_h_pow[] = { 0.0, 5.84960938e-01, }, dp_l_pow[] = { 0.0, 1.56322085e-06, }, zero_pow = 0.0, one_pow = 1.0, two_pow = 2.0, two24_pow = 16777216.0, huge_pow = 1.0e30, tiny_pow = 1.0e-30, L1_pow = 6.0000002384e-01, L2_pow = 4.2857143283e-01, L3_pow = 3.3333334327e-01, L4_pow = 2.7272811532e-01, L5_pow = 2.3066075146e-01, L6_pow = 2.0697501302e-01, P1_pow = 1.6666667163e-01, P2_pow = -2.7777778450e-03, P3_pow = 6.6137559770e-05, P4_pow = -1.6533901999e-06, P5_pow = 4.1381369442e-08, lg2_pow = 6.9314718246e-01, lg2_h_pow = 6.93145752e-01, lg2_l_pow = 1.42860654e-06, ovt_pow = 4.2995665694e-08, cp = 9.6179670095e-01, cp_h_pow = 9.6179199219e-01, cp_l_pow = 4.7017383622e-06, ivln2_pow = 1.4426950216e+00, ivln2_h_pow = 1.4426879883e+00, ivln2_l_pow = 7.0526075433e-06; [L197-L199] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L109] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L267-L295] static const float bp_pow[] = { 1.0, 1.5, }, dp_h_pow[] = { 0.0, 5.84960938e-01, }, dp_l_pow[] = { 0.0, 1.56322085e-06, }, zero_pow = 0.0, one_pow = 1.0, two_pow = 2.0, two24_pow = 16777216.0, huge_pow = 1.0e30, tiny_pow = 1.0e-30, L1_pow = 6.0000002384e-01, L2_pow = 4.2857143283e-01, L3_pow = 3.3333334327e-01, L4_pow = 2.7272811532e-01, L5_pow = 2.3066075146e-01, L6_pow = 2.0697501302e-01, P1_pow = 1.6666667163e-01, P2_pow = -2.7777778450e-03, P3_pow = 6.6137559770e-05, P4_pow = -1.6533901999e-06, P5_pow = 4.1381369442e-08, lg2_pow = 6.9314718246e-01, lg2_h_pow = 6.93145752e-01, lg2_l_pow = 1.42860654e-06, ovt_pow = 4.2995665694e-08, cp = 9.6179670095e-01, cp_h_pow = 9.6179199219e-01, cp_l_pow = 4.7017383622e-06, ivln2_pow = 1.4426950216e+00, ivln2_h_pow = 1.4426879883e+00, ivln2_l_pow = 7.0526075433e-06; [L197-L199] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L267-L295] static const float bp_pow[] = { 1.0, 1.5, }, dp_h_pow[] = { 0.0, 5.84960938e-01, }, dp_l_pow[] = { 0.0, 1.56322085e-06, }, zero_pow = 0.0, one_pow = 1.0, two_pow = 2.0, two24_pow = 16777216.0, huge_pow = 1.0e30, tiny_pow = 1.0e-30, L1_pow = 6.0000002384e-01, L2_pow = 4.2857143283e-01, L3_pow = 3.3333334327e-01, L4_pow = 2.7272811532e-01, L5_pow = 2.3066075146e-01, L6_pow = 2.0697501302e-01, P1_pow = 1.6666667163e-01, P2_pow = -2.7777778450e-03, P3_pow = 6.6137559770e-05, P4_pow = -1.6533901999e-06, P5_pow = 4.1381369442e-08, lg2_pow = 6.9314718246e-01, lg2_h_pow = 6.93145752e-01, lg2_l_pow = 1.42860654e-06, ovt_pow = 4.2995665694e-08, cp = 9.6179670095e-01, cp_h_pow = 9.6179199219e-01, cp_l_pow = 4.7017383622e-06, ivln2_pow = 1.4426950216e+00, ivln2_h_pow = 1.4426879883e+00, ivln2_l_pow = 7.0526075433e-06; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L267-L295] static const float bp_pow[] = { 1.0, 1.5, }, dp_h_pow[] = { 0.0, 5.84960938e-01, }, dp_l_pow[] = { 0.0, 1.56322085e-06, }, zero_pow = 0.0, one_pow = 1.0, two_pow = 2.0, two24_pow = 16777216.0, huge_pow = 1.0e30, tiny_pow = 1.0e-30, L1_pow = 6.0000002384e-01, L2_pow = 4.2857143283e-01, L3_pow = 3.3333334327e-01, L4_pow = 2.7272811532e-01, L5_pow = 2.3066075146e-01, L6_pow = 2.0697501302e-01, P1_pow = 1.6666667163e-01, P2_pow = -2.7777778450e-03, P3_pow = 6.6137559770e-05, P4_pow = -1.6533901999e-06, P5_pow = 4.1381369442e-08, lg2_pow = 6.9314718246e-01, lg2_h_pow = 6.93145752e-01, lg2_l_pow = 1.42860654e-06, ovt_pow = 4.2995665694e-08, cp = 9.6179670095e-01, cp_h_pow = 9.6179199219e-01, cp_l_pow = 4.7017383622e-06, ivln2_pow = 1.4426950216e+00, ivln2_h_pow = 1.4426879883e+00, ivln2_l_pow = 7.0526075433e-06; [L197-L199] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L267-L295] static const float bp_pow[] = { 1.0, 1.5, }, dp_h_pow[] = { 0.0, 5.84960938e-01, }, dp_l_pow[] = { 0.0, 1.56322085e-06, }, zero_pow = 0.0, one_pow = 1.0, two_pow = 2.0, two24_pow = 16777216.0, huge_pow = 1.0e30, tiny_pow = 1.0e-30, L1_pow = 6.0000002384e-01, L2_pow = 4.2857143283e-01, L3_pow = 3.3333334327e-01, L4_pow = 2.7272811532e-01, L5_pow = 2.3066075146e-01, L6_pow = 2.0697501302e-01, P1_pow = 1.6666667163e-01, P2_pow = -2.7777778450e-03, P3_pow = 6.6137559770e-05, P4_pow = -1.6533901999e-06, P5_pow = 4.1381369442e-08, lg2_pow = 6.9314718246e-01, lg2_h_pow = 6.93145752e-01, lg2_l_pow = 1.42860654e-06, ovt_pow = 4.2995665694e-08, cp = 9.6179670095e-01, cp_h_pow = 9.6179199219e-01, cp_l_pow = 4.7017383622e-06, ivln2_pow = 1.4426950216e+00, ivln2_h_pow = 1.4426879883e+00, ivln2_l_pow = 7.0526075433e-06; VAL [bp_pow={5:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={7:0}, dp_l_pow={6:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={4:0}, zero_pow=0.0] [L600] float x = __VERIFIER_nondet_float(); [L601] float y = 0.0f / 0.0f; VAL [bp_pow={5:0}, cp=0.000004701738362200558, cp=0.9617919921875, cp=0.9617967009544373, dp_h_pow={7:0}, dp_l_pow={6:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, y=NaN, Zero_fmod={4:0}, zero_pow=0.0] [L603] COND TRUE x != 1.0f [L605] CALL, EXPR __ieee754_powf(x, y) [L298] float z, ax, z_h, z_l, p_h, p_l; [L299] float y1, t1, t2, r, s, t, u, v, w; [L300] __int32_t i, j, k, yisint, n; [L301] __int32_t hx, hy, ix, iy, is; VAL [\old(x)=-1.0, \old(y)=NaN, bp_pow={5:0}, cp=0.9617919921875, cp=0.9617967009544373, cp=0.000004701738362200558, dp_h_pow={7:0}, dp_l_pow={6:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, x=-1.0, y=NaN, Zero_fmod={4:0}, zero_pow=0.0] [L304] ieee_float_shape_type gf_u; [L305] gf_u.value = (x) [L306] EXPR gf_u.word [L306] (hx) = gf_u.word [L309] ieee_float_shape_type gf_u; [L310] gf_u.value = (y) [L311] EXPR gf_u.word [L311] (hy) = gf_u.word [L313] ix = hx & 0x7fffffff [L314] iy = hy & 0x7fffffff VAL [\old(x)=-1.0, \old(y)=NaN, bp_pow={5:0}, cp=0.9617919921875, cp=0.000004701738362200558, cp=0.9617967009544373, dp_h_pow={7:0}, dp_l_pow={6:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, hx=-1082130432, hy=2143289344, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, ix=1065353216, iy=2143289344, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, x=-1.0, y=NaN, Zero_fmod={4:0}, zero_pow=0.0] [L316] COND FALSE !(((iy) == 0)) VAL [\old(x)=-1.0, \old(y)=NaN, bp_pow={5:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={7:0}, dp_l_pow={6:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, hx=-1082130432, hy=2143289344, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, ix=1065353216, iy=2143289344, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, x=-1.0, y=NaN, Zero_fmod={4:0}, zero_pow=0.0] [L319] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) VAL [\old(x)=-1.0, \old(y)=NaN, bp_pow={5:0}, cp=0.9617919921875, cp=0.9617967009544373, cp=0.000004701738362200558, dp_h_pow={7:0}, dp_l_pow={6:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, hx=-1082130432, hy=2143289344, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, ix=1065353216, iy=2143289344, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, x=-1.0, y=NaN, Zero_fmod={4:0}, zero_pow=0.0] [L320] COND TRUE ix == 0x3f800000 [L321] return one_pow; VAL [\old(x)=-1.0, \old(y)=NaN, \result=1.0, bp_pow={5:0}, cp=0.000004701738362200558, cp=0.9617919921875, cp=0.9617967009544373, dp_h_pow={7:0}, dp_l_pow={6:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, hx=-1082130432, hy=2143289344, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, ix=1065353216, iy=2143289344, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, x=-1.0, y=NaN, Zero_fmod={4:0}, zero_pow=0.0] [L605] RET, EXPR __ieee754_powf(x, y) [L605] float res = __ieee754_powf(x, y); [L608] CALL, EXPR isnan_float(res) [L589] return x != x; VAL [\old(x)=1.0, \result=0, bp_pow={5:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={7:0}, dp_l_pow={6:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, x=1.0, Zero_fmod={4:0}, zero_pow=0.0] [L608] RET, EXPR isnan_float(res) [L608] COND TRUE !isnan_float(res) [L609] reach_error() VAL [bp_pow={5:0}, cp=0.000004701738362200558, cp=0.9617919921875, cp=0.9617967009544373, dp_h_pow={7:0}, dp_l_pow={6:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, res=1.0, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, x=-1.0, y=NaN, Zero_fmod={4:0}, zero_pow=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 184 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1374 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 34 IncrementalHoareTripleChecker+Unchecked, 898 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 476 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 7 QuantifiedInterpolants, 89 SizeOfPredicates, 7 NumberOfNonLiveVariables, 224 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-19 08:22:03,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc880ff4-0e2c-47db-918f-1d3b1134852a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE