./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a05fe72602a07075e0f1ee0a98d5ddb537d1e938bc846ad5ae314bafebdfe0d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:48:25,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:48:25,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:48:26,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:48:26,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:48:26,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:48:26,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:48:26,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:48:26,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:48:26,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:48:26,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:48:26,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:48:26,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:48:26,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:48:26,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:48:26,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:48:26,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:48:26,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:48:26,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:48:26,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:48:26,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:48:26,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:48:26,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:48:26,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:48:26,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:48:26,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:48:26,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:48:26,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:48:26,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:48:26,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:48:26,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:48:26,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:48:26,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:48:26,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:48:26,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:48:26,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:48:26,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:48:26,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:48:26,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:48:26,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:48:26,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:48:26,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 22:48:26,134 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:48:26,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:48:26,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:48:26,135 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:48:26,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:48:26,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:48:26,137 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:48:26,137 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:48:26,137 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:48:26,137 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 22:48:26,138 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:48:26,139 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:48:26,139 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 22:48:26,139 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 22:48:26,139 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:48:26,140 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 22:48:26,140 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 22:48:26,140 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 22:48:26,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:48:26,141 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 22:48:26,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 22:48:26,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 22:48:26,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:48:26,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 22:48:26,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:48:26,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 22:48:26,144 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 22:48:26,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 22:48:26,144 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:48:26,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 22:48:26,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:48:26,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:48:26,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:48:26,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:48:26,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:48:26,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 22:48:26,146 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 22:48:26,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 22:48:26,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 22:48:26,147 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:48:26,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:48:26,147 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a05fe72602a07075e0f1ee0a98d5ddb537d1e938bc846ad5ae314bafebdfe0d [2021-11-20 22:48:26,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:48:26,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:48:26,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:48:26,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:48:26,488 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:48:26,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2021-11-20 22:48:26,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/data/ae7edbaa4/2ef7863365c04caaaf14fa954290fb19/FLAGb8c1eaa98 [2021-11-20 22:48:27,140 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:48:27,144 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2021-11-20 22:48:27,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/data/ae7edbaa4/2ef7863365c04caaaf14fa954290fb19/FLAGb8c1eaa98 [2021-11-20 22:48:27,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/data/ae7edbaa4/2ef7863365c04caaaf14fa954290fb19 [2021-11-20 22:48:27,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:48:27,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:48:27,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:48:27,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:48:27,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:48:27,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:27" (1/1) ... [2021-11-20 22:48:27,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c1aaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:27, skipping insertion in model container [2021-11-20 22:48:27,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:27" (1/1) ... [2021-11-20 22:48:27,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:48:27,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:48:28,070 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1434) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1107) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:674) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1441) 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.visit(CHandler.java:1385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1456) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 22:48:28,075 INFO L158 Benchmark]: Toolchain (without parser) took 682.50ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 56.0MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 22:48:28,076 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 22:48:28,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 680.39ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 56.0MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 22:48:28,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 680.39ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 56.0MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a05fe72602a07075e0f1ee0a98d5ddb537d1e938bc846ad5ae314bafebdfe0d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:48:30,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:48:30,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:48:30,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:48:30,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:48:30,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:48:30,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:48:30,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:48:30,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:48:30,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:48:30,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:48:30,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:48:30,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:48:30,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:48:30,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:48:30,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:48:30,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:48:30,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:48:30,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:48:30,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:48:30,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:48:30,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:48:30,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:48:30,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:48:30,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:48:30,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:48:30,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:48:30,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:48:30,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:48:30,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:48:30,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:48:30,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:48:30,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:48:30,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:48:30,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:48:30,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:48:30,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:48:30,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:48:30,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:48:30,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:48:30,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:48:30,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 22:48:30,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:48:30,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:48:30,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:48:30,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:48:30,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:48:30,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:48:30,545 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:48:30,545 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:48:30,546 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:48:30,546 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:48:30,546 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:48:30,546 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:48:30,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:48:30,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 22:48:30,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 22:48:30,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:48:30,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 22:48:30,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:48:30,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 22:48:30,549 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 22:48:30,549 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 22:48:30,549 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 22:48:30,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 22:48:30,549 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:48:30,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 22:48:30,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:48:30,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 22:48:30,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:48:30,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:48:30,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:48:30,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:48:30,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 22:48:30,552 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 22:48:30,552 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 22:48:30,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 22:48:30,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:48:30,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:48:30,553 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a05fe72602a07075e0f1ee0a98d5ddb537d1e938bc846ad5ae314bafebdfe0d [2021-11-20 22:48:30,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:48:30,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:48:30,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:48:30,982 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:48:30,983 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:48:30,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2021-11-20 22:48:31,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/data/1d6d58ff1/c6b5e1cac321481ca07fdd30d1e504d2/FLAG8c70e74fc [2021-11-20 22:48:31,751 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:48:31,752 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2021-11-20 22:48:31,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/data/1d6d58ff1/c6b5e1cac321481ca07fdd30d1e504d2/FLAG8c70e74fc [2021-11-20 22:48:31,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/data/1d6d58ff1/c6b5e1cac321481ca07fdd30d1e504d2 [2021-11-20 22:48:31,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:48:32,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:48:32,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:48:32,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:48:32,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:48:32,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:31" (1/1) ... [2021-11-20 22:48:32,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f578279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32, skipping insertion in model container [2021-11-20 22:48:32,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:31" (1/1) ... [2021-11-20 22:48:32,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:48:32,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:48:32,525 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41138,41151] [2021-11-20 22:48:32,528 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41179,41192] [2021-11-20 22:48:32,529 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41229,41242] [2021-11-20 22:48:32,530 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41279,41292] [2021-11-20 22:48:32,531 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41329,41342] [2021-11-20 22:48:32,532 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41381,41394] [2021-11-20 22:48:32,533 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41427,41440] [2021-11-20 22:48:32,534 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41470,41483] [2021-11-20 22:48:32,535 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41521,41534] [2021-11-20 22:48:32,536 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41562,41575] [2021-11-20 22:48:32,537 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41603,41616] [2021-11-20 22:48:32,538 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41649,41662] [2021-11-20 22:48:32,540 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41690,41703] [2021-11-20 22:48:32,541 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41743,41756] [2021-11-20 22:48:32,542 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41794,41807] [2021-11-20 22:48:32,543 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41842,41855] [2021-11-20 22:48:32,544 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41891,41904] [2021-11-20 22:48:32,546 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41934,41947] [2021-11-20 22:48:32,548 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41977,41990] [2021-11-20 22:48:32,549 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42041,42054] [2021-11-20 22:48:32,550 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42104,42117] [2021-11-20 22:48:32,550 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42144,42157] [2021-11-20 22:48:32,553 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42183,42196] [2021-11-20 22:48:32,554 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42229,42242] [2021-11-20 22:48:32,555 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42276,42289] [2021-11-20 22:48:32,556 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42324,42337] [2021-11-20 22:48:32,557 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42375,42388] [2021-11-20 22:48:32,559 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42419,42432] [2021-11-20 22:48:32,561 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42462,42475] [2021-11-20 22:48:32,562 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42507,42520] [2021-11-20 22:48:32,563 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42549,42562] [2021-11-20 22:48:32,564 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42592,42605] [2021-11-20 22:48:32,565 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42637,42650] [2021-11-20 22:48:32,566 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42683,42696] [2021-11-20 22:48:32,566 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42728,42741] [2021-11-20 22:48:32,568 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42771,42784] [2021-11-20 22:48:32,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:48:32,591 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 22:48:32,633 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41138,41151] [2021-11-20 22:48:32,633 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41179,41192] [2021-11-20 22:48:32,634 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41229,41242] [2021-11-20 22:48:32,635 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41279,41292] [2021-11-20 22:48:32,636 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41329,41342] [2021-11-20 22:48:32,636 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41381,41394] [2021-11-20 22:48:32,637 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41427,41440] [2021-11-20 22:48:32,638 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41470,41483] [2021-11-20 22:48:32,639 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41521,41534] [2021-11-20 22:48:32,639 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41562,41575] [2021-11-20 22:48:32,640 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41603,41616] [2021-11-20 22:48:32,641 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41649,41662] [2021-11-20 22:48:32,641 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41690,41703] [2021-11-20 22:48:32,642 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41743,41756] [2021-11-20 22:48:32,643 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41794,41807] [2021-11-20 22:48:32,644 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41842,41855] [2021-11-20 22:48:32,644 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41891,41904] [2021-11-20 22:48:32,645 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41934,41947] [2021-11-20 22:48:32,645 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41977,41990] [2021-11-20 22:48:32,646 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42041,42054] [2021-11-20 22:48:32,647 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42104,42117] [2021-11-20 22:48:32,647 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42144,42157] [2021-11-20 22:48:32,648 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42183,42196] [2021-11-20 22:48:32,648 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42229,42242] [2021-11-20 22:48:32,649 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42276,42289] [2021-11-20 22:48:32,650 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42324,42337] [2021-11-20 22:48:32,650 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42375,42388] [2021-11-20 22:48:32,651 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42419,42432] [2021-11-20 22:48:32,651 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42462,42475] [2021-11-20 22:48:32,652 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42507,42520] [2021-11-20 22:48:32,653 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42549,42562] [2021-11-20 22:48:32,653 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42592,42605] [2021-11-20 22:48:32,654 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42637,42650] [2021-11-20 22:48:32,654 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42683,42696] [2021-11-20 22:48:32,655 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42728,42741] [2021-11-20 22:48:32,655 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_45f8ff1b-30a7-4da0-9976-18a43d39f826/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42771,42784] [2021-11-20 22:48:32,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:48:32,794 INFO L208 MainTranslator]: Completed translation [2021-11-20 22:48:32,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32 WrapperNode [2021-11-20 22:48:32,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 22:48:32,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 22:48:32,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 22:48:32,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 22:48:32,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32" (1/1) ... [2021-11-20 22:48:32,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32" (1/1) ... [2021-11-20 22:48:32,875 INFO L137 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 125 [2021-11-20 22:48:32,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 22:48:32,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 22:48:32,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 22:48:32,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 22:48:32,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32" (1/1) ... [2021-11-20 22:48:32,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32" (1/1) ... [2021-11-20 22:48:32,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32" (1/1) ... [2021-11-20 22:48:32,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32" (1/1) ... [2021-11-20 22:48:32,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32" (1/1) ... [2021-11-20 22:48:32,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32" (1/1) ... [2021-11-20 22:48:32,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32" (1/1) ... [2021-11-20 22:48:32,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 22:48:32,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 22:48:32,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 22:48:32,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 22:48:32,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32" (1/1) ... [2021-11-20 22:48:32,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:48:32,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:48:32,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 22:48:33,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 22:48:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 22:48:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 22:48:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 22:48:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 22:48:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 22:48:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 22:48:33,093 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 22:48:33,095 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 22:48:36,432 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 22:48:36,439 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 22:48:36,440 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 22:48:36,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:48:36 BoogieIcfgContainer [2021-11-20 22:48:36,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 22:48:36,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 22:48:36,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 22:48:36,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 22:48:36,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:48:31" (1/3) ... [2021-11-20 22:48:36,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513a84f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:48:36, skipping insertion in model container [2021-11-20 22:48:36,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:32" (2/3) ... [2021-11-20 22:48:36,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513a84f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:48:36, skipping insertion in model container [2021-11-20 22:48:36,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:48:36" (3/3) ... [2021-11-20 22:48:36,449 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp2.i [2021-11-20 22:48:36,453 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 22:48:36,453 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-20 22:48:36,503 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 22:48:36,510 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 22:48:36,510 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-20 22:48:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 80 states have (on average 1.9125) internal successors, (153), 116 states have internal predecessors, (153), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 22:48:36,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-20 22:48:36,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:48:36,534 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:48:36,535 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-20 22:48:36,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:48:36,540 INFO L85 PathProgramCache]: Analyzing trace with hash -626203073, now seen corresponding path program 1 times [2021-11-20 22:48:36,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:48:36,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141901693] [2021-11-20 22:48:36,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:48:36,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:48:36,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:48:36,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:48:36,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 22:48:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:48:36,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 22:48:36,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:48:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 22:48:36,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:48:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 22:48:36,753 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:48:36,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141901693] [2021-11-20 22:48:36,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141901693] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:48:36,754 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:48:36,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 22:48:36,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429332472] [2021-11-20 22:48:36,756 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:48:36,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 22:48:36,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:48:36,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 22:48:36,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 22:48:36,796 INFO L87 Difference]: Start difference. First operand has 120 states, 80 states have (on average 1.9125) internal successors, (153), 116 states have internal predecessors, (153), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 22:48:36,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:48:36,837 INFO L93 Difference]: Finished difference Result 177 states and 252 transitions. [2021-11-20 22:48:36,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 22:48:36,839 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-11-20 22:48:36,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:48:36,853 INFO L225 Difference]: With dead ends: 177 [2021-11-20 22:48:36,854 INFO L226 Difference]: Without dead ends: 40 [2021-11-20 22:48:36,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 22:48:36,861 INFO L933 BasicCegarLoop]: 60 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, 60 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 22:48:36,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 22:48:36,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-20 22:48:36,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-11-20 22:48:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 36 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 22:48:36,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2021-11-20 22:48:36,901 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 15 [2021-11-20 22:48:36,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:48:36,901 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2021-11-20 22:48:36,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 22:48:36,902 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2021-11-20 22:48:36,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-20 22:48:36,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:48:36,903 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:48:36,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 22:48:37,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:48:37,116 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-20 22:48:37,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:48:37,117 INFO L85 PathProgramCache]: Analyzing trace with hash -199249201, now seen corresponding path program 1 times [2021-11-20 22:48:37,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:48:37,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123895546] [2021-11-20 22:48:37,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:48:37,119 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:48:37,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:48:37,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:48:37,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 22:48:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:48:37,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 22:48:37,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:48:38,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 22:48:38,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:48:38,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 22:48:38,861 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:48:38,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2123895546] [2021-11-20 22:48:38,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2123895546] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:48:38,861 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:48:38,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2021-11-20 22:48:38,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943809573] [2021-11-20 22:48:38,862 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:48:38,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 22:48:38,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:48:38,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 22:48:38,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 22:48:38,865 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 9 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 22:48:41,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:48:43,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:48:43,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:48:43,545 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2021-11-20 22:48:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 22:48:43,563 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 9 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 16 [2021-11-20 22:48:43,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:48:43,564 INFO L225 Difference]: With dead ends: 40 [2021-11-20 22:48:43,564 INFO L226 Difference]: Without dead ends: 32 [2021-11-20 22:48:43,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-11-20 22:48:43,566 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 57 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-20 22:48:43,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 26 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 2 Unknown, 0 Unchecked, 4.5s Time] [2021-11-20 22:48:43,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-20 22:48:43,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-20 22:48:43,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 22:48:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-11-20 22:48:43,574 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 16 [2021-11-20 22:48:43,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:48:43,576 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2021-11-20 22:48:43,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 9 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 22:48:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-11-20 22:48:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-20 22:48:43,577 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:48:43,577 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:48:43,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 22:48:43,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:48:43,787 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-20 22:48:43,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:48:43,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1441315119, now seen corresponding path program 1 times [2021-11-20 22:48:43,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:48:43,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182871058] [2021-11-20 22:48:43,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:48:43,789 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:48:43,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:48:43,795 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:48:43,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 22:48:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:48:44,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 22:48:44,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:48:53,452 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |ULTIMATE.start_main_~f~0#1|) .cse0)))) is different from false [2021-11-20 22:48:55,458 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |ULTIMATE.start_main_~f~0#1|) .cse0)))) is different from true [2021-11-20 22:48:55,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 22:48:55,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:08,042 WARN L860 $PredicateComparison]: unable to prove that (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 |c_ULTIMATE.start_main_~f~0#1|) .cse0))) (fp.eq (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) |c_ULTIMATE.start_main_~f~0#1|)) is different from true [2021-11-20 22:49:47,814 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|))) is different from false [2021-11-20 22:49:49,821 WARN L860 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|))) is different from true [2021-11-20 22:50:11,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 22:50:11,753 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:50:11,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182871058] [2021-11-20 22:50:11,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182871058] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:11,753 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:11,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 9 [2021-11-20 22:50:11,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117897356] [2021-11-20 22:50:11,754 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:11,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 22:50:11,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:50:11,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 22:50:11,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=17, Unknown=7, NotChecked=30, Total=72 [2021-11-20 22:50:11,755 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 22:50:14,374 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 22:50:32,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:32,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:32,805 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2021-11-20 22:50:32,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 22:50:32,827 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 27 [2021-11-20 22:50:32,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:32,828 INFO L225 Difference]: With dead ends: 32 [2021-11-20 22:50:32,828 INFO L226 Difference]: Without dead ends: 30 [2021-11-20 22:50:32,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30.3s TimeCoverageRelationStatistics Valid=32, Invalid=30, Unknown=10, NotChecked=60, Total=132 [2021-11-20 22:50:32,830 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 35 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 63 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:32,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 14 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 63 Unchecked, 6.0s Time] [2021-11-20 22:50:32,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-20 22:50:32,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-11-20 22:50:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.0) internal successors, (26), 26 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 22:50:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2021-11-20 22:50:32,836 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 27 [2021-11-20 22:50:32,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:32,837 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2021-11-20 22:50:32,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 22:50:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2021-11-20 22:50:32,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-20 22:50:32,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:32,838 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:32,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:33,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:50:33,042 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-20 22:50:33,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:33,043 INFO L85 PathProgramCache]: Analyzing trace with hash 528942919, now seen corresponding path program 1 times [2021-11-20 22:50:33,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:50:33,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297432442] [2021-11-20 22:50:33,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:33,044 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:50:33,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:50:33,045 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:50:33,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 22:50:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:34,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 22:50:34,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:45,622 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |ULTIMATE.start_main_~f~0#1|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |ULTIMATE.start_main_~f~0#1|) .cse0)))) is different from false [2021-11-20 22:50:47,636 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |ULTIMATE.start_main_~f~0#1|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |ULTIMATE.start_main_~f~0#1|) .cse0)))) is different from true [2021-11-20 22:50:47,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 22:50:47,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:51:30,860 WARN L860 $PredicateComparison]: unable to prove that (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 |c_ULTIMATE.start_main_~f~0#1|) .cse0))) (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) |c_ULTIMATE.start_main_~f~0#1|)) is different from true [2021-11-20 22:52:21,957 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.div c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) |ULTIMATE.start_main_~f~0#1|))) is different from false [2021-11-20 22:52:23,977 WARN L860 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.div c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) |ULTIMATE.start_main_~f~0#1|))) is different from true [2021-11-20 22:52:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 22:52:59,243 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:52:59,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297432442] [2021-11-20 22:52:59,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [297432442] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:52:59,244 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:52:59,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 9 [2021-11-20 22:52:59,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371172324] [2021-11-20 22:52:59,244 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:52:59,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 22:52:59,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:52:59,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 22:52:59,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=15, Unknown=9, NotChecked=30, Total=72 [2021-11-20 22:52:59,245 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 22:53:01,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:03,293 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.div c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) |ULTIMATE.start_main_~f~0#1|))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 22:53:07,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:08,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:26,496 WARN L227 SmtUtils]: Spent 11.33s on a formula simplification. DAG size of input: 17 DAG size of output: 9 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 22:53:28,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:29,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:35,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:37,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:39,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:42,671 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:51,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:53,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:55,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:57,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:59,043 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:59,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:53:59,409 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-11-20 22:53:59,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 22:53:59,430 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2021-11-20 22:53:59,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:53:59,430 INFO L225 Difference]: With dead ends: 30 [2021-11-20 22:53:59,430 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 22:53:59,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 57.0s TimeCoverageRelationStatistics Valid=32, Invalid=27, Unknown=13, NotChecked=60, Total=132 [2021-11-20 22:53:59,432 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 18 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 43 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2021-11-20 22:53:59,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 10 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 9 Unknown, 43 Unchecked, 29.6s Time] [2021-11-20 22:53:59,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 22:53:59,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 22:53:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:53:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 22:53:59,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-11-20 22:53:59,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:53:59,434 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 22:53:59,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 22:53:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 22:53:59,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 22:53:59,437 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 36 remaining) [2021-11-20 22:53:59,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (34 of 36 remaining) [2021-11-20 22:53:59,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (33 of 36 remaining) [2021-11-20 22:53:59,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (32 of 36 remaining) [2021-11-20 22:53:59,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (31 of 36 remaining) [2021-11-20 22:53:59,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (30 of 36 remaining) [2021-11-20 22:53:59,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (29 of 36 remaining) [2021-11-20 22:53:59,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (28 of 36 remaining) [2021-11-20 22:53:59,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (27 of 36 remaining) [2021-11-20 22:53:59,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (26 of 36 remaining) [2021-11-20 22:53:59,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (25 of 36 remaining) [2021-11-20 22:53:59,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (24 of 36 remaining) [2021-11-20 22:53:59,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (23 of 36 remaining) [2021-11-20 22:53:59,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (22 of 36 remaining) [2021-11-20 22:53:59,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (21 of 36 remaining) [2021-11-20 22:53:59,441 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (20 of 36 remaining) [2021-11-20 22:53:59,441 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (19 of 36 remaining) [2021-11-20 22:53:59,441 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (18 of 36 remaining) [2021-11-20 22:53:59,441 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (17 of 36 remaining) [2021-11-20 22:53:59,441 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (16 of 36 remaining) [2021-11-20 22:53:59,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (15 of 36 remaining) [2021-11-20 22:53:59,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (14 of 36 remaining) [2021-11-20 22:53:59,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (13 of 36 remaining) [2021-11-20 22:53:59,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (12 of 36 remaining) [2021-11-20 22:53:59,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (11 of 36 remaining) [2021-11-20 22:53:59,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (10 of 36 remaining) [2021-11-20 22:53:59,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (9 of 36 remaining) [2021-11-20 22:53:59,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (8 of 36 remaining) [2021-11-20 22:53:59,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (7 of 36 remaining) [2021-11-20 22:53:59,444 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (6 of 36 remaining) [2021-11-20 22:53:59,444 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (5 of 36 remaining) [2021-11-20 22:53:59,444 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (4 of 36 remaining) [2021-11-20 22:53:59,444 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (3 of 36 remaining) [2021-11-20 22:53:59,444 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (2 of 36 remaining) [2021-11-20 22:53:59,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (1 of 36 remaining) [2021-11-20 22:53:59,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (0 of 36 remaining) [2021-11-20 22:53:59,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 22:53:59,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:53:59,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 22:54:20,082 WARN L227 SmtUtils]: Spent 20.41s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 22:54:35,966 WARN L227 SmtUtils]: Spent 15.88s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 22:54:35,968 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 1023) no Hoare annotation was computed. [2021-11-20 22:54:35,968 INFO L858 garLoopResultBuilder]: For program point L1026-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,968 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point L977(line 977) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point L977-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point L1027(line 1027) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point L1027-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 1016) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point L1028(line 1028) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point L995(line 995) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point L1028-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point L995-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point L979(line 979) no Hoare annotation was computed. [2021-11-20 22:54:35,969 INFO L858 garLoopResultBuilder]: For program point L1012-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point L979-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point L1029(line 1029) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point L996(line 996) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point L1029-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point L996-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 991) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point L1013(line 1013) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point L1013-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1028) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point L1030(line 1030) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point L997(line 997) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point L997-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,970 INFO L858 garLoopResultBuilder]: For program point L1014(line 1014) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point L1014-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point L998(line 998) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point L998-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 1017) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point L1015(line 1015) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point L1015-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point L999(line 999) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1030) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point L966(lines 966 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point L999-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point L1016(line 1016) no Hoare annotation was computed. [2021-11-20 22:54:35,971 INFO L858 garLoopResultBuilder]: For program point L983(line 983) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point L1016-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point L983-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1029) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1024) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point L1017(line 1017) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point L1017-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point L1018(line 1018) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point L1018-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 1013) no Hoare annotation was computed. [2021-11-20 22:54:35,972 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-11-20 22:54:35,973 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 22:54:35,973 INFO L858 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2021-11-20 22:54:35,973 INFO L858 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2021-11-20 22:54:35,973 INFO L858 garLoopResultBuilder]: For program point L1019-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,973 INFO L858 garLoopResultBuilder]: For program point L986-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,973 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 1006) no Hoare annotation was computed. [2021-11-20 22:54:35,973 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1026) no Hoare annotation was computed. [2021-11-20 22:54:35,973 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1025) no Hoare annotation was computed. [2021-11-20 22:54:35,973 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2021-11-20 22:54:35,973 INFO L858 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2021-11-20 22:54:35,973 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2021-11-20 22:54:35,973 INFO L854 garLoopResultBuilder]: At program point L971(line 971) the Hoare annotation is: (and (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.mul currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) currentRoundingMode (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|))) (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.div currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) currentRoundingMode 1.0)) |ULTIMATE.start_main_~f~0#1|))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 22:54:35,974 INFO L854 garLoopResultBuilder]: At program point L971-1(line 971) the Hoare annotation is: (and (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.mul currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) currentRoundingMode (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|))) (fp.eq (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f2~0#1|) |ULTIMATE.start_main_~f2~0#1|) (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.div currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) currentRoundingMode 1.0)) |ULTIMATE.start_main_~f~0#1|))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point L1004-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point L972(line 972) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point L1005-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 1018) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point L1022(line 1022) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point L1022-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point L1006(line 1006) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point L1006-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1027) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 22:54:35,974 INFO L858 garLoopResultBuilder]: For program point L1023(line 1023) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L990(line 990) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L1023-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L990-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L1007(line 1007) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L1007-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 1022) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L1024(line 1024) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L991(line 991) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L1024-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L991-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L1008-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L1025(line 1025) no Hoare annotation was computed. [2021-11-20 22:54:35,975 INFO L858 garLoopResultBuilder]: For program point L992(line 992) no Hoare annotation was computed. [2021-11-20 22:54:35,976 INFO L858 garLoopResultBuilder]: For program point L1025-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,976 INFO L858 garLoopResultBuilder]: For program point L992-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,976 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2021-11-20 22:54:35,976 INFO L858 garLoopResultBuilder]: For program point L1009(line 1009) no Hoare annotation was computed. [2021-11-20 22:54:35,976 INFO L858 garLoopResultBuilder]: For program point L976(line 976) no Hoare annotation was computed. [2021-11-20 22:54:35,976 INFO L858 garLoopResultBuilder]: For program point L976-1(line 976) no Hoare annotation was computed. [2021-11-20 22:54:35,976 INFO L858 garLoopResultBuilder]: For program point L1009-2(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,976 INFO L858 garLoopResultBuilder]: For program point L976-3(lines 967 1031) no Hoare annotation was computed. [2021-11-20 22:54:35,976 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 1014) no Hoare annotation was computed. [2021-11-20 22:54:35,976 INFO L858 garLoopResultBuilder]: For program point L1026(line 1026) no Hoare annotation was computed. [2021-11-20 22:54:35,976 INFO L858 garLoopResultBuilder]: For program point L3-2(lines 2 4) no Hoare annotation was computed. [2021-11-20 22:54:35,976 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 2 4) the Hoare annotation is: true [2021-11-20 22:54:35,976 INFO L858 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2021-11-20 22:54:35,978 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2 4) no Hoare annotation was computed. [2021-11-20 22:54:35,984 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-20 22:54:35,985 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 22:54:35,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:54:35 BoogieIcfgContainer [2021-11-20 22:54:35,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 22:54:35,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 22:54:35,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 22:54:35,991 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 22:54:35,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:48:36" (3/4) ... [2021-11-20 22:54:35,994 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 22:54:36,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-20 22:54:36,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 22:54:36,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 22:54:36,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 22:54:36,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 22:54:36,067 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 22:54:36,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 22:54:36,068 INFO L158 Benchmark]: Toolchain (without parser) took 364067.20ms. Allocated memory was 54.5MB in the beginning and 86.0MB in the end (delta: 31.5MB). Free memory was 29.1MB in the beginning and 61.2MB in the end (delta: -32.1MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2021-11-20 22:54:36,068 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 22:54:36,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.39ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 44.9MB in the end (delta: -16.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-11-20 22:54:36,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.24ms. Allocated memory is still 71.3MB. Free memory was 44.9MB in the beginning and 41.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 22:54:36,070 INFO L158 Benchmark]: Boogie Preprocessor took 45.57ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 40.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 22:54:36,070 INFO L158 Benchmark]: RCFGBuilder took 3505.17ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 44.1MB in the end (delta: -3.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-20 22:54:36,070 INFO L158 Benchmark]: TraceAbstraction took 359547.13ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.3MB in the beginning and 34.4MB in the end (delta: 8.9MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-11-20 22:54:36,071 INFO L158 Benchmark]: Witness Printer took 76.54ms. Allocated memory is still 86.0MB. Free memory was 34.4MB in the beginning and 61.2MB in the end (delta: -26.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 22:54:36,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.39ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 44.9MB in the end (delta: -16.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.24ms. Allocated memory is still 71.3MB. Free memory was 44.9MB in the beginning and 41.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.57ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 40.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3505.17ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 44.1MB in the end (delta: -3.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * TraceAbstraction took 359547.13ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.3MB in the beginning and 34.4MB in the end (delta: 8.9MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Witness Printer took 76.54ms. Allocated memory is still 86.0MB. Free memory was 34.4MB in the beginning and 61.2MB in the end (delta: -26.9MB). Peak memory consumption was 4.2MB. 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: 976]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 977]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 979]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 983]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 990]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 991]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 992]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 995]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 996]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 997]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 998]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 999]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1005]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1006]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1007]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1008]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1009]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1012]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1013]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1014]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1015]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1016]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1017]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1018]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1019]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1022]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1023]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1024]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1025]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1026]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1027]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1028]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1029]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1030]: 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, 120 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 359.5s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 86.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 36.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 40.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 110 SdHoareTripleChecker+Invalid, 39.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 106 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 77 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 152 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 87.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 93 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 36.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 233.3s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 174 ConstructedInterpolants, 14 QuantifiedInterpolants, 1306 SizeOfPredicates, 11 NumberOfNonLiveVariables, 155 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 32/32 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-20 22:54:36,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8ff1b-30a7-4da0-9976-18a43d39f826/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE