./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0872a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0872a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs --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 0a1999ce7e1e913f1b529593a0747db44f1c4282eec5e29b331f4657bcc56ae2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:26:04,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:26:04,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:26:04,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:26:04,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:26:04,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:26:04,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:26:04,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:26:04,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:26:04,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:26:04,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:26:04,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:26:04,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:26:04,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:26:04,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:26:04,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:26:04,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:26:04,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:26:04,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:26:04,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:26:04,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:26:04,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:26:04,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:26:04,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:26:04,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:26:04,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:26:04,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:26:04,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:26:04,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:26:04,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:26:04,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:26:04,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:26:04,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:26:04,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:26:04,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:26:04,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:26:04,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:26:04,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:26:04,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:26:04,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:26:04,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:26:04,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 13:26:04,663 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:26:04,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:26:04,665 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:26:04,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:26:04,666 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:26:04,666 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:26:04,673 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:26:04,673 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:26:04,673 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:26:04,674 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:26:04,675 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:26:04,675 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:26:04,675 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:26:04,676 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:26:04,676 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:26:04,676 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:26:04,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:26:04,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:26:04,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:26:04,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:26:04,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:26:04,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:26:04,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:26:04,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:26:04,679 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:26:04,679 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:26:04,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:26:04,680 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:26:04,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:26:04,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:26:04,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:26:04,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:26:04,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:26:04,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:26:04,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:26:04,682 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:26:04,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:26:04,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:26:04,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:26:04,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:26:04,684 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a1999ce7e1e913f1b529593a0747db44f1c4282eec5e29b331f4657bcc56ae2 [2021-11-19 13:26:05,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:26:05,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:26:05,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:26:05,070 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:26:05,071 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:26:05,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/float-newlib/float_req_bl_0872a.c [2021-11-19 13:26:05,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/data/10ae32559/01959338a09e4720b1807f0b50952ebf/FLAG197ca6f77 [2021-11-19 13:26:05,806 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:26:05,807 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/sv-benchmarks/c/float-newlib/float_req_bl_0872a.c [2021-11-19 13:26:05,848 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/data/10ae32559/01959338a09e4720b1807f0b50952ebf/FLAG197ca6f77 [2021-11-19 13:26:06,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/data/10ae32559/01959338a09e4720b1807f0b50952ebf [2021-11-19 13:26:06,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:26:06,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:26:06,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:26:06,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:26:06,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:26:06,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:26:06" (1/1) ... [2021-11-19 13:26:06,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f903dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:06, skipping insertion in model container [2021-11-19 13:26:06,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:26:06" (1/1) ... [2021-11-19 13:26:06,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:26:06,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:26:06,523 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1753) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$49(StandardFunctionHandler.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1438) 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:2029) 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:1637) 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:1076) 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:1614) 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:1076) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1460) 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:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2350) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-19 13:26:06,531 INFO L158 Benchmark]: Toolchain (without parser) took 439.13ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 73.2MB in the beginning and 102.4MB in the end (delta: -29.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 13:26:06,535 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:26:06,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.39ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 72.9MB in the beginning and 102.4MB in the end (delta: -29.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 13:26:06,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.39ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 72.9MB in the beginning and 102.4MB in the end (delta: -29.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0872a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs --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 0a1999ce7e1e913f1b529593a0747db44f1c4282eec5e29b331f4657bcc56ae2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:26:09,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:26:09,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:26:09,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:26:09,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:26:09,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:26:09,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:26:09,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:26:09,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:26:09,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:26:09,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:26:09,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:26:09,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:26:09,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:26:09,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:26:09,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:26:09,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:26:09,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:26:09,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:26:09,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:26:09,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:26:09,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:26:09,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:26:09,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:26:09,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:26:09,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:26:09,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:26:09,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:26:09,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:26:09,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:26:09,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:26:09,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:26:09,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:26:09,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:26:09,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:26:09,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:26:09,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:26:09,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:26:09,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:26:09,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:26:09,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:26:09,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-19 13:26:09,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:26:09,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:26:09,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:26:09,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:26:09,718 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:26:09,719 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:26:09,719 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:26:09,719 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:26:09,719 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:26:09,720 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:26:09,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:26:09,723 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:26:09,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:26:09,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:26:09,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:26:09,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:26:09,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:26:09,724 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:26:09,725 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:26:09,725 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:26:09,725 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:26:09,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:26:09,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:26:09,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:26:09,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:26:09,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:26:09,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:26:09,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:26:09,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:26:09,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:26:09,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:26:09,728 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:26:09,729 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:26:09,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:26:09,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:26:09,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:26:09,730 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_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a1999ce7e1e913f1b529593a0747db44f1c4282eec5e29b331f4657bcc56ae2 [2021-11-19 13:26:10,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:26:10,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:26:10,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:26:10,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:26:10,233 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:26:10,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/float-newlib/float_req_bl_0872a.c [2021-11-19 13:26:10,313 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/data/5469c8828/75776c2e6d214a0b82e7a1ada966e218/FLAGe797275d1 [2021-11-19 13:26:10,939 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:26:10,940 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/sv-benchmarks/c/float-newlib/float_req_bl_0872a.c [2021-11-19 13:26:10,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/data/5469c8828/75776c2e6d214a0b82e7a1ada966e218/FLAGe797275d1 [2021-11-19 13:26:11,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/data/5469c8828/75776c2e6d214a0b82e7a1ada966e218 [2021-11-19 13:26:11,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:26:11,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:26:11,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:26:11,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:26:11,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:26:11,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:26:11" (1/1) ... [2021-11-19 13:26:11,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a89388e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11, skipping insertion in model container [2021-11-19 13:26:11,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:26:11" (1/1) ... [2021-11-19 13:26:11,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:26:11,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:26:11,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/sv-benchmarks/c/float-newlib/float_req_bl_0872a.c[13799,13812] [2021-11-19 13:26:11,761 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:26:11,790 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:26:11,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/sv-benchmarks/c/float-newlib/float_req_bl_0872a.c[13799,13812] [2021-11-19 13:26:11,968 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:26:11,991 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:26:11,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11 WrapperNode [2021-11-19 13:26:11,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:26:11,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:26:11,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:26:11,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:26:12,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11" (1/1) ... [2021-11-19 13:26:12,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11" (1/1) ... [2021-11-19 13:26:12,094 INFO L137 Inliner]: procedures = 25, calls = 187, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 734 [2021-11-19 13:26:12,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:26:12,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:26:12,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:26:12,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:26:12,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11" (1/1) ... [2021-11-19 13:26:12,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11" (1/1) ... [2021-11-19 13:26:12,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11" (1/1) ... [2021-11-19 13:26:12,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11" (1/1) ... [2021-11-19 13:26:12,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11" (1/1) ... [2021-11-19 13:26:12,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11" (1/1) ... [2021-11-19 13:26:12,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11" (1/1) ... [2021-11-19 13:26:12,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:26:12,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:26:12,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:26:12,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:26:12,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11" (1/1) ... [2021-11-19 13:26:12,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:26:12,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:26:12,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:26:12,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:26:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:26:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-19 13:26:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-19 13:26:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-19 13:26:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:26:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:26:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-19 13:26:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:26:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:26:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:26:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-19 13:26:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:26:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:26:12,626 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:26:12,644 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:26:43,512 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:26:43,524 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:26:43,524 INFO L301 CfgBuilder]: Removed 70 assume(true) statements. [2021-11-19 13:26:43,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:26:43 BoogieIcfgContainer [2021-11-19 13:26:43,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:26:43,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:26:43,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:26:43,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:26:43,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:26:11" (1/3) ... [2021-11-19 13:26:43,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f4065d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:26:43, skipping insertion in model container [2021-11-19 13:26:43,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:11" (2/3) ... [2021-11-19 13:26:43,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f4065d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:26:43, skipping insertion in model container [2021-11-19 13:26:43,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:26:43" (3/3) ... [2021-11-19 13:26:43,538 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0872a.c [2021-11-19 13:26:43,545 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:26:43,545 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:26:43,624 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:26:43,632 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:26:43,632 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:26:43,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 183 states have (on average 1.726775956284153) internal successors, (316), 184 states have internal predecessors, (316), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 13:26:43,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 13:26:43,665 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:43,666 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:26:43,666 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:26:43,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:43,678 INFO L85 PathProgramCache]: Analyzing trace with hash -164865012, now seen corresponding path program 1 times [2021-11-19 13:26:43,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:26:43,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [292931824] [2021-11-19 13:26:43,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:43,699 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:26:43,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:26:43,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:26:43,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:26:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:45,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 13:26:45,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:26:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:45,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:26:45,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:45,313 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:26:45,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [292931824] [2021-11-19 13:26:45,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [292931824] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:45,314 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:45,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 13:26:45,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984801743] [2021-11-19 13:26:45,318 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:45,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 13:26:45,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:26:45,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 13:26:45,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:26:45,360 INFO L87 Difference]: Start difference. First operand has 189 states, 183 states have (on average 1.726775956284153) internal successors, (316), 184 states have internal predecessors, (316), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:45,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:45,417 INFO L93 Difference]: Finished difference Result 376 states and 645 transitions. [2021-11-19 13:26:45,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 13:26:45,420 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-19 13:26:45,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:45,433 INFO L225 Difference]: With dead ends: 376 [2021-11-19 13:26:45,434 INFO L226 Difference]: Without dead ends: 186 [2021-11-19 13:26:45,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:26:45,443 INFO L933 BasicCegarLoop]: 251 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, 251 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:45,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:26:45,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-11-19 13:26:45,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2021-11-19 13:26:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 181 states have (on average 1.3370165745856353) internal successors, (242), 181 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 13:26:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 248 transitions. [2021-11-19 13:26:45,509 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 248 transitions. Word has length 9 [2021-11-19 13:26:45,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:45,510 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 248 transitions. [2021-11-19 13:26:45,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:45,510 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 248 transitions. [2021-11-19 13:26:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:26:45,511 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:45,512 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:26:45,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:26:45,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:26:45,731 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:26:45,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:45,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1290864143, now seen corresponding path program 1 times [2021-11-19 13:26:45,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:26:45,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [680457484] [2021-11-19 13:26:45,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:45,740 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:26:45,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:26:45,742 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:26:45,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:26:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:46,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:26:46,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:26:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:47,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:26:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:47,634 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:26:47,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [680457484] [2021-11-19 13:26:47,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [680457484] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:47,635 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:47,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 13:26:47,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034049151] [2021-11-19 13:26:47,636 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:47,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:26:47,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:26:47,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:26:47,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:26:47,640 INFO L87 Difference]: Start difference. First operand 186 states and 248 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:54,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:26:57,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:01,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:03,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:05,335 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:07,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:09,598 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:11,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:13,754 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:15,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:17,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:18,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:20,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:22,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:24,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:26,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:28,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:30,701 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:32,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:34,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:37,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:39,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:41,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:44,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:46,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:48,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:49,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:53,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:53,690 INFO L93 Difference]: Finished difference Result 194 states and 254 transitions. [2021-11-19 13:27:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:27:53,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-19 13:27:53,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:53,705 INFO L225 Difference]: With dead ends: 194 [2021-11-19 13:27:53,705 INFO L226 Difference]: Without dead ends: 190 [2021-11-19 13:27:53,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:27:53,707 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 118 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:53,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 723 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 24 Unknown, 0 Unchecked, 65.8s Time] [2021-11-19 13:27:53,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-11-19 13:27:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 186. [2021-11-19 13:27:53,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 181 states have (on average 1.3204419889502763) internal successors, (239), 181 states have internal predecessors, (239), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 13:27:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 245 transitions. [2021-11-19 13:27:53,729 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 245 transitions. Word has length 11 [2021-11-19 13:27:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:53,730 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 245 transitions. [2021-11-19 13:27:53,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 245 transitions. [2021-11-19 13:27:53,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 13:27:53,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:53,732 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:27:53,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:27:53,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:27:53,946 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:27:53,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:53,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1358918712, now seen corresponding path program 1 times [2021-11-19 13:27:53,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:27:53,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553839407] [2021-11-19 13:27:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:53,948 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:27:53,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:27:53,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:27:53,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:27:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:54,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 13:27:54,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:27:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:55,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:27:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:27:56,006 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:27:56,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553839407] [2021-11-19 13:27:56,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [553839407] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:56,007 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:56,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 13:27:56,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749250111] [2021-11-19 13:27:56,007 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:56,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 13:27:56,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:27:56,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 13:27:56,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:27:56,010 INFO L87 Difference]: Start difference. First operand 186 states and 245 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:56,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:56,290 INFO L93 Difference]: Finished difference Result 186 states and 245 transitions. [2021-11-19 13:27:56,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:27:56,291 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-19 13:27:56,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:56,291 INFO L225 Difference]: With dead ends: 186 [2021-11-19 13:27:56,292 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 13:27:56,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:27:56,295 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 5 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:56,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 14 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 2 Unchecked, 0.0s Time] [2021-11-19 13:27:56,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 13:27:56,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 13:27:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 13:27:56,298 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-11-19 13:27:56,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:56,298 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 13:27:56,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:27:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 13:27:56,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 13:27:56,302 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 13:27:56,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:27:56,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:27:56,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 13:27:56,964 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 188) no Hoare annotation was computed. [2021-11-19 13:27:56,965 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 177 195) no Hoare annotation was computed. [2021-11-19 13:27:56,965 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 177 195) no Hoare annotation was computed. [2021-11-19 13:27:56,965 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 193) no Hoare annotation was computed. [2021-11-19 13:27:56,965 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 177 195) no Hoare annotation was computed. [2021-11-19 13:27:56,965 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2021-11-19 13:27:56,966 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 177 195) the Hoare annotation is: true [2021-11-19 13:27:56,966 INFO L858 garLoopResultBuilder]: For program point L179-1(lines 179 183) no Hoare annotation was computed. [2021-11-19 13:27:56,966 INFO L861 garLoopResultBuilder]: At program point L179-2(lines 179 183) the Hoare annotation is: true [2021-11-19 13:27:56,966 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 177 195) no Hoare annotation was computed. [2021-11-19 13:27:56,967 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 533) no Hoare annotation was computed. [2021-11-19 13:27:56,967 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 522 534) no Hoare annotation was computed. [2021-11-19 13:27:56,967 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 533) no Hoare annotation was computed. [2021-11-19 13:27:56,967 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 433 437) no Hoare annotation was computed. [2021-11-19 13:27:56,967 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 368) no Hoare annotation was computed. [2021-11-19 13:27:56,967 INFO L854 garLoopResultBuilder]: At program point L433-2(lines 433 437) the Hoare annotation is: false [2021-11-19 13:27:56,968 INFO L858 garLoopResultBuilder]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2021-11-19 13:27:56,968 INFO L854 garLoopResultBuilder]: At program point L170-2(lines 170 174) the Hoare annotation is: false [2021-11-19 13:27:56,968 INFO L858 garLoopResultBuilder]: For program point L170-3(lines 170 174) no Hoare annotation was computed. [2021-11-19 13:27:56,968 INFO L858 garLoopResultBuilder]: For program point L600(lines 600 603) no Hoare annotation was computed. [2021-11-19 13:27:56,968 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 502) no Hoare annotation was computed. [2021-11-19 13:27:56,969 INFO L858 garLoopResultBuilder]: For program point L402(lines 402 410) no Hoare annotation was computed. [2021-11-19 13:27:56,969 INFO L858 garLoopResultBuilder]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2021-11-19 13:27:56,969 INFO L858 garLoopResultBuilder]: For program point L303-1(lines 303 307) no Hoare annotation was computed. [2021-11-19 13:27:56,969 INFO L854 garLoopResultBuilder]: At program point L303-2(lines 303 307) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_powf_~y#1| (_ +zero 8 24)) (= ~one_pow~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2021-11-19 13:27:56,969 INFO L858 garLoopResultBuilder]: For program point L601(line 601) no Hoare annotation was computed. [2021-11-19 13:27:56,969 INFO L858 garLoopResultBuilder]: For program point L238(lines 238 243) no Hoare annotation was computed. [2021-11-19 13:27:56,970 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 205 209) no Hoare annotation was computed. [2021-11-19 13:27:56,970 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 140) no Hoare annotation was computed. [2021-11-19 13:27:56,970 INFO L854 garLoopResultBuilder]: At program point L205-2(lines 205 209) the Hoare annotation is: false [2021-11-19 13:27:56,970 INFO L858 garLoopResultBuilder]: For program point L205-3(lines 205 209) no Hoare annotation was computed. [2021-11-19 13:27:56,970 INFO L858 garLoopResultBuilder]: For program point L139-2(lines 139 140) no Hoare annotation was computed. [2021-11-19 13:27:56,970 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2021-11-19 13:27:56,971 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 297 586) no Hoare annotation was computed. [2021-11-19 13:27:56,971 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 343) no Hoare annotation was computed. [2021-11-19 13:27:56,971 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2021-11-19 13:27:56,971 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-11-19 13:27:56,971 INFO L858 garLoopResultBuilder]: For program point L438-1(lines 398 499) no Hoare annotation was computed. [2021-11-19 13:27:56,971 INFO L858 garLoopResultBuilder]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2021-11-19 13:27:56,972 INFO L854 garLoopResultBuilder]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2021-11-19 13:27:56,972 INFO L854 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: false [2021-11-19 13:27:56,972 INFO L858 garLoopResultBuilder]: For program point L240-1(line 240) no Hoare annotation was computed. [2021-11-19 13:27:56,972 INFO L858 garLoopResultBuilder]: For program point L538(lines 538 550) no Hoare annotation was computed. [2021-11-19 13:27:56,972 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2021-11-19 13:27:56,972 INFO L854 garLoopResultBuilder]: At program point L571-2(lines 571 575) the Hoare annotation is: false [2021-11-19 13:27:56,973 INFO L858 garLoopResultBuilder]: For program point L538-2(lines 538 550) no Hoare annotation was computed. [2021-11-19 13:27:56,973 INFO L858 garLoopResultBuilder]: For program point L571-3(lines 571 575) no Hoare annotation was computed. [2021-11-19 13:27:56,973 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2021-11-19 13:27:56,973 INFO L854 garLoopResultBuilder]: At program point L472-2(lines 472 476) the Hoare annotation is: false [2021-11-19 13:27:56,973 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 374) no Hoare annotation was computed. [2021-11-19 13:27:56,973 INFO L858 garLoopResultBuilder]: For program point L340(lines 340 343) no Hoare annotation was computed. [2021-11-19 13:27:56,974 INFO L854 garLoopResultBuilder]: At program point L175(lines 111 176) the Hoare annotation is: false [2021-11-19 13:27:56,974 INFO L861 garLoopResultBuilder]: At program point L605(lines 588 606) the Hoare annotation is: true [2021-11-19 13:27:56,975 INFO L858 garLoopResultBuilder]: For program point L341(line 341) no Hoare annotation was computed. [2021-11-19 13:27:56,975 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2021-11-19 13:27:56,975 INFO L858 garLoopResultBuilder]: For program point L308-1(lines 297 586) no Hoare annotation was computed. [2021-11-19 13:27:56,976 INFO L858 garLoopResultBuilder]: For program point L341-2(line 341) no Hoare annotation was computed. [2021-11-19 13:27:56,976 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2021-11-19 13:27:56,976 INFO L854 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: false [2021-11-19 13:27:56,976 INFO L858 garLoopResultBuilder]: For program point L242-1(line 242) no Hoare annotation was computed. [2021-11-19 13:27:56,977 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 499) no Hoare annotation was computed. [2021-11-19 13:27:56,977 INFO L858 garLoopResultBuilder]: For program point L375-2(lines 375 499) no Hoare annotation was computed. [2021-11-19 13:27:56,977 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2021-11-19 13:27:56,977 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2021-11-19 13:27:56,977 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 297 586) no Hoare annotation was computed. [2021-11-19 13:27:56,978 INFO L854 garLoopResultBuilder]: At program point L541-2(lines 541 545) the Hoare annotation is: false [2021-11-19 13:27:56,978 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2021-11-19 13:27:56,978 INFO L858 garLoopResultBuilder]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2021-11-19 13:27:56,978 INFO L858 garLoopResultBuilder]: For program point L343(line 343) no Hoare annotation was computed. [2021-11-19 13:27:56,979 INFO L858 garLoopResultBuilder]: For program point L343-2(line 343) no Hoare annotation was computed. [2021-11-19 13:27:56,979 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 447) no Hoare annotation was computed. [2021-11-19 13:27:56,979 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 398 499) no Hoare annotation was computed. [2021-11-19 13:27:56,979 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 378) no Hoare annotation was computed. [2021-11-19 13:27:56,981 INFO L858 garLoopResultBuilder]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2021-11-19 13:27:56,981 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 213) no Hoare annotation was computed. [2021-11-19 13:27:56,982 INFO L858 garLoopResultBuilder]: For program point L245-1(lines 245 249) no Hoare annotation was computed. [2021-11-19 13:27:56,982 INFO L854 garLoopResultBuilder]: At program point L245-2(lines 245 249) the Hoare annotation is: false [2021-11-19 13:27:56,982 INFO L858 garLoopResultBuilder]: For program point L245-3(lines 245 249) no Hoare annotation was computed. [2021-11-19 13:27:56,982 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 481) no Hoare annotation was computed. [2021-11-19 13:27:56,982 INFO L858 garLoopResultBuilder]: For program point L477-1(lines 398 499) no Hoare annotation was computed. [2021-11-19 13:27:56,987 INFO L858 garLoopResultBuilder]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2021-11-19 13:27:56,987 INFO L858 garLoopResultBuilder]: For program point L378(line 378) no Hoare annotation was computed. [2021-11-19 13:27:56,988 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 350) no Hoare annotation was computed. [2021-11-19 13:27:56,988 INFO L858 garLoopResultBuilder]: For program point L378-2(line 378) no Hoare annotation was computed. [2021-11-19 13:27:56,988 INFO L854 garLoopResultBuilder]: At program point L147-2(lines 147 156) the Hoare annotation is: false [2021-11-19 13:27:56,988 INFO L858 garLoopResultBuilder]: For program point L147-3(lines 111 176) no Hoare annotation was computed. [2021-11-19 13:27:56,988 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 584) no Hoare annotation was computed. [2021-11-19 13:27:56,989 INFO L858 garLoopResultBuilder]: For program point L379(lines 379 380) no Hoare annotation was computed. [2021-11-19 13:27:56,989 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 349) no Hoare annotation was computed. [2021-11-19 13:27:56,989 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 215) no Hoare annotation was computed. [2021-11-19 13:27:56,989 INFO L858 garLoopResultBuilder]: For program point L380(line 380) no Hoare annotation was computed. [2021-11-19 13:27:56,990 INFO L858 garLoopResultBuilder]: For program point L380-2(line 380) no Hoare annotation was computed. [2021-11-19 13:27:56,990 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2021-11-19 13:27:56,990 INFO L858 garLoopResultBuilder]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2021-11-19 13:27:56,990 INFO L858 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2021-11-19 13:27:56,990 INFO L854 garLoopResultBuilder]: At program point L116-2(lines 116 120) the Hoare annotation is: false [2021-11-19 13:27:56,991 INFO L858 garLoopResultBuilder]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2021-11-19 13:27:56,991 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 226) no Hoare annotation was computed. [2021-11-19 13:27:56,991 INFO L858 garLoopResultBuilder]: For program point L216-2(lines 216 226) no Hoare annotation was computed. [2021-11-19 13:27:56,991 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 548) no Hoare annotation was computed. [2021-11-19 13:27:56,991 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2021-11-19 13:27:56,992 INFO L854 garLoopResultBuilder]: At program point L580-2(lines 580 584) the Hoare annotation is: false [2021-11-19 13:27:56,992 INFO L858 garLoopResultBuilder]: For program point L547-2(lines 547 548) no Hoare annotation was computed. [2021-11-19 13:27:56,992 INFO L858 garLoopResultBuilder]: For program point L580-3(lines 577 584) no Hoare annotation was computed. [2021-11-19 13:27:56,998 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 423) no Hoare annotation was computed. [2021-11-19 13:27:56,998 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 317) no Hoare annotation was computed. [2021-11-19 13:27:56,998 INFO L854 garLoopResultBuilder]: At program point L250(lines 201 251) the Hoare annotation is: false [2021-11-19 13:27:56,999 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 13:27:56,999 INFO L858 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2021-11-19 13:27:56,999 INFO L854 garLoopResultBuilder]: At program point L218-2(lines 218 222) the Hoare annotation is: false [2021-11-19 13:27:56,999 INFO L858 garLoopResultBuilder]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2021-11-19 13:27:56,999 INFO L858 garLoopResultBuilder]: For program point L516-1(lines 516 520) no Hoare annotation was computed. [2021-11-19 13:27:57,000 INFO L854 garLoopResultBuilder]: At program point L516-2(lines 516 520) the Hoare annotation is: false [2021-11-19 13:27:57,000 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-11-19 13:27:57,000 INFO L858 garLoopResultBuilder]: For program point L516-3(lines 516 520) no Hoare annotation was computed. [2021-11-19 13:27:57,000 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 352) no Hoare annotation was computed. [2021-11-19 13:27:57,001 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 324) no Hoare annotation was computed. [2021-11-19 13:27:57,001 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 356) no Hoare annotation was computed. [2021-11-19 13:27:57,001 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 323) no Hoare annotation was computed. [2021-11-19 13:27:57,001 INFO L858 garLoopResultBuilder]: For program point L353-2(lines 353 356) no Hoare annotation was computed. [2021-11-19 13:27:57,001 INFO L858 garLoopResultBuilder]: For program point L254-1(lines 254 258) no Hoare annotation was computed. [2021-11-19 13:27:57,002 INFO L854 garLoopResultBuilder]: At program point L254-2(lines 254 258) the Hoare annotation is: false [2021-11-19 13:27:57,002 INFO L854 garLoopResultBuilder]: At program point L585(lines 297 586) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (= ~one_pow~0 .cse0) (= .cse0 |ULTIMATE.start___ieee754_powf_#res#1|))) [2021-11-19 13:27:57,002 INFO L858 garLoopResultBuilder]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2021-11-19 13:27:57,002 INFO L854 garLoopResultBuilder]: At program point L552-2(lines 552 556) the Hoare annotation is: false [2021-11-19 13:27:57,003 INFO L858 garLoopResultBuilder]: For program point L354(lines 354 355) no Hoare annotation was computed. [2021-11-19 13:27:57,003 INFO L858 garLoopResultBuilder]: For program point L387-1(lines 387 391) no Hoare annotation was computed. [2021-11-19 13:27:57,003 INFO L854 garLoopResultBuilder]: At program point L387-2(lines 387 391) the Hoare annotation is: false [2021-11-19 13:27:57,003 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 124) no Hoare annotation was computed. [2021-11-19 13:27:57,003 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 13:27:57,004 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 488 492) no Hoare annotation was computed. [2021-11-19 13:27:57,004 INFO L854 garLoopResultBuilder]: At program point L488-2(lines 488 492) the Hoare annotation is: false [2021-11-19 13:27:57,004 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 225) no Hoare annotation was computed. [2021-11-19 13:27:57,004 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 167) no Hoare annotation was computed. [2021-11-19 13:27:57,006 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 534) no Hoare annotation was computed. [2021-11-19 13:27:57,006 INFO L858 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2021-11-19 13:27:57,007 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2021-11-19 13:27:57,007 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-11-19 13:27:57,007 INFO L858 garLoopResultBuilder]: For program point L424-1(lines 398 499) no Hoare annotation was computed. [2021-11-19 13:27:57,007 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 424 428) no Hoare annotation was computed. [2021-11-19 13:27:57,024 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 263) no Hoare annotation was computed. [2021-11-19 13:27:57,024 INFO L858 garLoopResultBuilder]: For program point L259-1(lines 252 265) no Hoare annotation was computed. [2021-11-19 13:27:57,024 INFO L858 garLoopResultBuilder]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2021-11-19 13:27:57,024 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-11-19 13:27:57,025 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 13:27:57,026 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2021-11-19 13:27:57,026 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 297 586) no Hoare annotation was computed. [2021-11-19 13:27:57,026 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 561) no Hoare annotation was computed. [2021-11-19 13:27:57,026 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2021-11-19 13:27:57,027 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 396) no Hoare annotation was computed. [2021-11-19 13:27:57,027 INFO L854 garLoopResultBuilder]: At program point L458-2(lines 458 462) the Hoare annotation is: false [2021-11-19 13:27:57,028 INFO L858 garLoopResultBuilder]: For program point L392-1(lines 375 398) no Hoare annotation was computed. [2021-11-19 13:27:57,028 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 335) no Hoare annotation was computed. [2021-11-19 13:27:57,028 INFO L858 garLoopResultBuilder]: For program point L392-2(lines 392 396) no Hoare annotation was computed. [2021-11-19 13:27:57,028 INFO L858 garLoopResultBuilder]: For program point L326-1(lines 297 586) no Hoare annotation was computed. [2021-11-19 13:27:57,028 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 129) no Hoare annotation was computed. [2021-11-19 13:27:57,029 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 527) no Hoare annotation was computed. [2021-11-19 13:27:57,030 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 371) no Hoare annotation was computed. [2021-11-19 13:27:57,031 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 334) no Hoare annotation was computed. [2021-11-19 13:27:57,031 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 229) no Hoare annotation was computed. [2021-11-19 13:27:57,031 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 165) no Hoare annotation was computed. [2021-11-19 13:27:57,035 INFO L858 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2021-11-19 13:27:57,035 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2021-11-19 13:27:57,035 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 398 499) no Hoare annotation was computed. [2021-11-19 13:27:57,036 INFO L858 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2021-11-19 13:27:57,036 INFO L854 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: false [2021-11-19 13:27:57,036 INFO L858 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2021-11-19 13:27:57,036 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 363) no Hoare annotation was computed. [2021-11-19 13:27:57,036 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 334) no Hoare annotation was computed. [2021-11-19 13:27:57,037 INFO L858 garLoopResultBuilder]: For program point L362-2(lines 360 371) no Hoare annotation was computed. [2021-11-19 13:27:57,037 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 237) no Hoare annotation was computed. [2021-11-19 13:27:57,037 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 13:27:57,037 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 601) no Hoare annotation was computed. [2021-11-19 13:27:57,037 INFO L854 garLoopResultBuilder]: At program point L264(lines 252 265) the Hoare annotation is: false [2021-11-19 13:27:57,038 INFO L858 garLoopResultBuilder]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2021-11-19 13:27:57,038 INFO L854 garLoopResultBuilder]: At program point L231-2(lines 231 235) the Hoare annotation is: false [2021-11-19 13:27:57,038 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 136) no Hoare annotation was computed. [2021-11-19 13:27:57,038 INFO L858 garLoopResultBuilder]: For program point L231-3(lines 231 235) no Hoare annotation was computed. [2021-11-19 13:27:57,038 INFO L858 garLoopResultBuilder]: For program point L132-2(lines 132 136) no Hoare annotation was computed. [2021-11-19 13:27:57,039 INFO L858 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-11-19 13:27:57,039 INFO L858 garLoopResultBuilder]: For program point L463(lines 463 467) no Hoare annotation was computed. [2021-11-19 13:27:57,041 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 398 499) no Hoare annotation was computed. [2021-11-19 13:27:57,041 INFO L858 garLoopResultBuilder]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2021-11-19 13:27:57,042 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 369) no Hoare annotation was computed. [2021-11-19 13:27:57,042 INFO L858 garLoopResultBuilder]: For program point L133-2(lines 133 134) no Hoare annotation was computed. [2021-11-19 13:27:57,042 INFO L854 garLoopResultBuilder]: At program point L133-3(lines 133 134) the Hoare annotation is: false [2021-11-19 13:27:57,042 INFO L858 garLoopResultBuilder]: For program point L133-4(lines 133 134) no Hoare annotation was computed. [2021-11-19 13:27:57,042 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 368) no Hoare annotation was computed. [2021-11-19 13:27:57,043 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 333) no Hoare annotation was computed. [2021-11-19 13:27:57,046 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-19 13:27:57,049 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 13:27:57,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:27:57 BoogieIcfgContainer [2021-11-19 13:27:57,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 13:27:57,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 13:27:57,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 13:27:57,076 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 13:27:57,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:26:43" (3/4) ... [2021-11-19 13:27:57,080 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 13:27:57,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-19 13:27:57,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-19 13:27:57,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-19 13:27:57,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 13:27:57,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 13:27:57,219 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 13:27:57,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 13:27:57,220 INFO L158 Benchmark]: Toolchain (without parser) took 105987.91ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.3MB in the beginning and 29.4MB in the end (delta: 4.9MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-11-19 13:27:57,220 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 38.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:27:57,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 755.42ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.1MB in the beginning and 38.7MB in the end (delta: -4.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 13:27:57,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.54ms. Allocated memory is still 69.2MB. Free memory was 38.7MB in the beginning and 50.3MB in the end (delta: -11.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-19 13:27:57,222 INFO L158 Benchmark]: Boogie Preprocessor took 131.96ms. Allocated memory is still 69.2MB. Free memory was 50.3MB in the beginning and 45.9MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 13:27:57,223 INFO L158 Benchmark]: RCFGBuilder took 31299.67ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 36.4MB in the end (delta: 9.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-11-19 13:27:57,223 INFO L158 Benchmark]: TraceAbstraction took 73543.20ms. Allocated memory is still 69.2MB. Free memory was 35.7MB in the beginning and 42.4MB in the end (delta: -6.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-19 13:27:57,224 INFO L158 Benchmark]: Witness Printer took 144.06ms. Allocated memory is still 69.2MB. Free memory was 42.4MB in the beginning and 29.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 13:27:57,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 38.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 755.42ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.1MB in the beginning and 38.7MB in the end (delta: -4.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.54ms. Allocated memory is still 69.2MB. Free memory was 38.7MB in the beginning and 50.3MB in the end (delta: -11.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.96ms. Allocated memory is still 69.2MB. Free memory was 50.3MB in the beginning and 45.9MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 31299.67ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 36.4MB in the end (delta: 9.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * TraceAbstraction took 73543.20ms. Allocated memory is still 69.2MB. Free memory was 35.7MB in the beginning and 42.4MB in the end (delta: -6.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Witness Printer took 144.06ms. Allocated memory is still 69.2MB. Free memory was 42.4MB in the beginning and 29.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 601]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 189 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 73.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 66.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 24 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 65.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 988 SdHoareTripleChecker+Invalid, 64.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2 IncrementalHoareTripleChecker+Unchecked, 505 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 483 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 41 PreInvPairs, 44 NumberOfFragments, 55 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 4 QuantifiedInterpolants, 263 SizeOfPredicates, 10 NumberOfNonLiveVariables, 325 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == \result - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: y == ~Pluszero~LONGDOUBLE() && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-19 13:27:57,459 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-19 13:27:57,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427cb461-f56c-4b8b-944c-f9b2bee99649/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE