./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float_lib2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float_lib2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 579faea91306b70f4f1704c1b6463ea271867143 ........................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float_lib2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 579faea91306b70f4f1704c1b6463ea271867143 .......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:32:17,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:32:17,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:32:17,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:32:17,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:32:17,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:32:17,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:32:17,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:32:17,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:32:17,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:32:17,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:32:17,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:32:17,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:32:17,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:32:17,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:32:17,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:32:17,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:32:17,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:32:17,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:32:17,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:32:17,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:32:17,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:32:17,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:32:17,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:32:17,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:32:17,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:32:17,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:32:17,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:32:17,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:32:17,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:32:17,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:32:17,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:32:17,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:32:17,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:32:17,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:32:17,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:32:17,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:32:17,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:32:17,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:32:17,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:32:17,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:32:17,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:32:17,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:32:17,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:32:17,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:32:17,428 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:32:17,428 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:32:17,428 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:32:17,428 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:32:17,429 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:32:17,429 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:32:17,429 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:32:17,429 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:32:17,429 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:32:17,430 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:32:17,430 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:32:17,430 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:32:17,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:32:17,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:32:17,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:32:17,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:32:17,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:32:17,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:32:17,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:32:17,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:32:17,432 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:32:17,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:32:17,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:32:17,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:32:17,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:32:17,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:32:17,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:32:17,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:32:17,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:32:17,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:32:17,434 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:32:17,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:32:17,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:32:17,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:32:17,434 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan 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(__VERIFIER_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 -> 579faea91306b70f4f1704c1b6463ea271867143 [2019-11-26 02:32:17,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:32:17,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:32:17,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:32:17,596 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:32:17,597 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:32:17,597 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float_lib2.i [2019-11-26 02:32:17,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/data/5a54d7139/d7fe2a5f324644f5a0f6d7edfc639c18/FLAG0e6273fce [2019-11-26 02:32:18,148 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:32:18,149 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/sv-benchmarks/c/floats-cbmc-regression/float_lib2.i [2019-11-26 02:32:18,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/data/5a54d7139/d7fe2a5f324644f5a0f6d7edfc639c18/FLAG0e6273fce [2019-11-26 02:32:18,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/data/5a54d7139/d7fe2a5f324644f5a0f6d7edfc639c18 [2019-11-26 02:32:18,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:32:18,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:32:18,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:18,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:32:18,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:32:18,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:18" (1/1) ... [2019-11-26 02:32:18,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d21512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:18, skipping insertion in model container [2019-11-26 02:32:18,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:18" (1/1) ... [2019-11-26 02:32:18,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:32:18,684 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:32:19,235 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: fpclassify 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.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) 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:1028) 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:2313) 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:699) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2313) 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:2313) 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:1511) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:993) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1371) 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:3448) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2263) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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:193) 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:125) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:32:19,242 INFO L168 Benchmark]: Toolchain (without parser) took 618.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:19,243 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:19,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:19,247 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 617.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: 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... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:32:20,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:32:20,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:32:20,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:32:20,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:32:20,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:32:20,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:32:20,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:32:20,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:32:20,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:32:20,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:32:20,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:32:20,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:32:20,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:32:20,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:32:20,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:32:20,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:32:20,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:32:20,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:32:20,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:32:20,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:32:20,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:32:20,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:32:20,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:32:20,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:32:20,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:32:20,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:32:20,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:32:20,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:32:20,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:32:20,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:32:20,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:32:20,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:32:20,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:32:20,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:32:20,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:32:20,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:32:20,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:32:20,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:32:20,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:32:20,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:32:20,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:32:20,948 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:32:20,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:32:20,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:32:20,949 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:32:20,950 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:32:20,950 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:32:20,950 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:32:20,950 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:32:20,951 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:32:20,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:32:20,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:32:20,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:32:20,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:32:20,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:32:20,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:32:20,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:32:20,953 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:32:20,953 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:32:20,954 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:32:20,954 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:32:20,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:32:20,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:32:20,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:32:20,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:32:20,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:32:20,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:32:20,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:32:20,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:32:20,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:32:20,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:32:20,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:32:20,957 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:32:20,957 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:32:20,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:32:20,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:32:20,958 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan 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(__VERIFIER_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 -> 579faea91306b70f4f1704c1b6463ea271867143 [2019-11-26 02:32:21,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:32:21,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:32:21,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:32:21,272 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:32:21,273 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:32:21,273 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float_lib2.i [2019-11-26 02:32:21,331 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/data/3115e45d1/9e60484867e440aba3b824ddb2162397/FLAGe151bdd38 [2019-11-26 02:32:21,803 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:32:21,804 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/sv-benchmarks/c/floats-cbmc-regression/float_lib2.i [2019-11-26 02:32:21,816 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/data/3115e45d1/9e60484867e440aba3b824ddb2162397/FLAGe151bdd38 [2019-11-26 02:32:22,099 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/data/3115e45d1/9e60484867e440aba3b824ddb2162397 [2019-11-26 02:32:22,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:32:22,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:32:22,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:22,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:32:22,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:32:22,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:22" (1/1) ... [2019-11-26 02:32:22,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63279210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:22, skipping insertion in model container [2019-11-26 02:32:22,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:22" (1/1) ... [2019-11-26 02:32:22,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:32:22,170 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:32:22,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:32:22,667 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:32:22,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:32:23,032 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:32:23,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:23 WrapperNode [2019-11-26 02:32:23,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:23,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:32:23,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:32:23,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:32:23,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:23" (1/1) ... [2019-11-26 02:32:23,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:23" (1/1) ... [2019-11-26 02:32:23,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:32:23,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:32:23,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:32:23,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:32:23,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:23" (1/1) ... [2019-11-26 02:32:23,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:23" (1/1) ... [2019-11-26 02:32:23,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:23" (1/1) ... [2019-11-26 02:32:23,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:23" (1/1) ... [2019-11-26 02:32:23,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:23" (1/1) ... [2019-11-26 02:32:23,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:23" (1/1) ... [2019-11-26 02:32:23,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:23" (1/1) ... [2019-11-26 02:32:23,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:32:23,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:32:23,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:32:23,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:32:23,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:32:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:32:23,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:32:23,419 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:32:23,419 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-26 02:32:23,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:23 BoogieIcfgContainer [2019-11-26 02:32:23,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:32:23,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:32:23,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:32:23,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:32:23,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:32:22" (1/3) ... [2019-11-26 02:32:23,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40afba9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:32:23, skipping insertion in model container [2019-11-26 02:32:23,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:23" (2/3) ... [2019-11-26 02:32:23,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40afba9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:32:23, skipping insertion in model container [2019-11-26 02:32:23,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:23" (3/3) ... [2019-11-26 02:32:23,428 INFO L109 eAbstractionObserver]: Analyzing ICFG float_lib2.i [2019-11-26 02:32:23,436 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:32:23,446 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-11-26 02:32:23,458 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-11-26 02:32:23,497 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:32:23,497 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:32:23,498 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:32:23,498 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:32:23,498 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:32:23,514 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:32:23,515 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:32:23,515 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:32:23,534 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-26 02:32:23,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:32:23,539 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:32:23,540 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-26 02:32:23,540 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:32:23,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:32:23,545 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-11-26 02:32:23,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:32:23,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346118563] [2019-11-26 02:32:23,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-26 02:32:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:32:23,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-26 02:32:23,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:32:23,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:23,676 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:32:23,864 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 3 [2019-11-26 02:32:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:23,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346118563] [2019-11-26 02:32:23,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:32:23,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-26 02:32:23,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494888088] [2019-11-26 02:32:23,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:32:23,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:32:23,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:32:23,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:32:23,887 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2019-11-26 02:32:23,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:32:23,954 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2019-11-26 02:32:23,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:32:23,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-26 02:32:23,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:32:23,965 INFO L225 Difference]: With dead ends: 41 [2019-11-26 02:32:23,965 INFO L226 Difference]: Without dead ends: 12 [2019-11-26 02:32:23,968 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:32:23,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-26 02:32:23,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-26 02:32:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-26 02:32:23,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-11-26 02:32:23,998 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 4 [2019-11-26 02:32:23,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:32:23,999 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-11-26 02:32:23,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:32:23,999 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-11-26 02:32:23,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:32:24,000 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:32:24,000 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:32:24,213 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:32:24,213 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:32:24,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:32:24,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1908731737, now seen corresponding path program 1 times [2019-11-26 02:32:24,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:32:24,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [486454444] [2019-11-26 02:32:24,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-26 02:32:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:32:24,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-26 02:32:24,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:32:24,260 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,264 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,265 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,266 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,278 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,293 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,302 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,302 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,303 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,304 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,311 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,312 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,312 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,313 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,321 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,331 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,336 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,338 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:24,355 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:32:24,480 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 3 [2019-11-26 02:32:24,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:24,487 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [486454444] [2019-11-26 02:32:24,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:32:24,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2019-11-26 02:32:24,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141127186] [2019-11-26 02:32:24,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 02:32:24,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:32:24,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 02:32:24,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:32:24,490 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 5 states. [2019-11-26 02:32:24,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:32:24,545 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-11-26 02:32:24,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:32:24,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-26 02:32:24,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:32:24,546 INFO L225 Difference]: With dead ends: 12 [2019-11-26 02:32:24,546 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:32:24,547 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:32:24,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:32:24,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:32:24,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:32:24,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:32:24,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-26 02:32:24,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:32:24,548 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:32:24,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 02:32:24,549 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:32:24,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:32:24,749 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 02:32:24,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:32:24,790 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2019-11-26 02:32:24,790 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 366) no Hoare annotation was computed. [2019-11-26 02:32:24,790 INFO L444 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2019-11-26 02:32:24,790 INFO L444 ceAbstractionStarter]: For program point L370-2(line 370) no Hoare annotation was computed. [2019-11-26 02:32:24,791 INFO L444 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-11-26 02:32:24,791 INFO L444 ceAbstractionStarter]: For program point L366-2(lines 363 374) no Hoare annotation was computed. [2019-11-26 02:32:24,791 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-26 02:32:24,791 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 369) no Hoare annotation was computed. [2019-11-26 02:32:24,791 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:32:24,792 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-26 02:32:24,792 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 365) no Hoare annotation was computed. [2019-11-26 02:32:24,792 INFO L444 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2019-11-26 02:32:24,792 INFO L444 ceAbstractionStarter]: For program point L367-2(lines 363 374) no Hoare annotation was computed. [2019-11-26 02:32:24,792 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:32:24,793 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 368) no Hoare annotation was computed. [2019-11-26 02:32:24,793 INFO L444 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2019-11-26 02:32:24,793 INFO L444 ceAbstractionStarter]: For program point L372-1(line 372) no Hoare annotation was computed. [2019-11-26 02:32:24,793 INFO L444 ceAbstractionStarter]: For program point L372-3(line 372) no Hoare annotation was computed. [2019-11-26 02:32:24,793 INFO L444 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2019-11-26 02:32:24,794 INFO L444 ceAbstractionStarter]: For program point L368-2(lines 363 374) no Hoare annotation was computed. [2019-11-26 02:32:24,794 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 372) no Hoare annotation was computed. [2019-11-26 02:32:24,794 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 367) no Hoare annotation was computed. [2019-11-26 02:32:24,794 INFO L440 ceAbstractionStarter]: At program point L373(lines 362 374) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~largestSubnormalFloat~0 ((_ to_fp 8 24) currentRoundingMode (/ 8388607.0 713623846352979940529142984724747568191373312.0)))) [2019-11-26 02:32:24,795 INFO L444 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-11-26 02:32:24,795 INFO L444 ceAbstractionStarter]: For program point L369-2(lines 363 374) no Hoare annotation was computed. [2019-11-26 02:32:24,795 INFO L444 ceAbstractionStarter]: For program point L365(line 365) no Hoare annotation was computed. [2019-11-26 02:32:24,795 INFO L444 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2019-11-26 02:32:24,795 INFO L444 ceAbstractionStarter]: For program point L365-3(lines 363 374) no Hoare annotation was computed. [2019-11-26 02:32:24,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-26 02:32:24,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-26 02:32:24,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:32:24 BoogieIcfgContainer [2019-11-26 02:32:24,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:32:24,810 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:32:24,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:32:24,811 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:32:24,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:23" (3/4) ... [2019-11-26 02:32:24,814 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:32:24,824 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:32:24,824 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:32:24,824 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:32:24,850 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: largestSubnormalFloat == ~to_fp~LONGDOUBLE(currentRoundingMode, 8388607/713623846352979940529142984724747568191373312)) [2019-11-26 02:32:24,869 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_44075ca1-7c52-4e40-b179-961a855d5f59/bin/utaipan/witness.graphml [2019-11-26 02:32:24,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:32:24,871 INFO L168 Benchmark]: Toolchain (without parser) took 2768.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 949.7 MB in the beginning and 947.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 164.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:24,872 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:24,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 930.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -102.5 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:24,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:24,873 INFO L168 Benchmark]: Boogie Preprocessor took 50.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:24,874 INFO L168 Benchmark]: RCFGBuilder took 260.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:24,874 INFO L168 Benchmark]: TraceAbstraction took 1388.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 953.8 MB in the end (delta: 81.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:24,875 INFO L168 Benchmark]: Witness Printer took 59.66 ms. Allocated memory is still 1.2 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:24,877 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 930.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -102.5 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 260.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1388.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 953.8 MB in the end (delta: 81.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. * Witness Printer took 59.66 ms. Allocated memory is still 1.2 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 366]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 369]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 372]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 368]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 365]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 367]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 362]: Loop Invariant [2019-11-26 02:32:24,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-26 02:32:24,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: largestSubnormalFloat == ~to_fp~LONGDOUBLE(currentRoundingMode, 8388607/713623846352979940529142984724747568191373312)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 7 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 27 SDslu, 4 SDs, 0 SdLazy, 21 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 6 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 8 QuantifiedInterpolants, 769 SizeOfPredicates, 6 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...