./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fdim.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_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i -s /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/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 96832dfae97efc9710fb813b6fbaafcdad425138 ..................................................................................................................................................................... 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_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i -s /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/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 96832dfae97efc9710fb813b6fbaafcdad425138 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:43:47,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:43:47,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:43:48,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:43:48,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:43:48,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:43:48,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:43:48,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:43:48,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:43:48,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:43:48,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:43:48,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:43:48,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:43:48,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:43:48,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:43:48,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:43:48,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:43:48,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:43:48,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:43:48,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:43:48,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:43:48,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:43:48,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:43:48,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:43:48,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:43:48,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:43:48,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:43:48,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:43:48,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:43:48,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:43:48,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:43:48,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:43:48,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:43:48,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:43:48,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:43:48,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:43:48,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:43:48,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:43:48,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:43:48,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:43:48,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:43:48,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:43:48,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:43:48,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:43:48,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:43:48,078 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:43:48,078 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:43:48,079 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:43:48,079 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:43:48,079 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:43:48,079 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:43:48,079 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:43:48,080 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:43:48,080 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:43:48,080 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:43:48,080 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:43:48,080 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:43:48,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:43:48,081 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:43:48,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:43:48,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:43:48,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:43:48,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:43:48,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:43:48,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:43:48,082 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:43:48,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:43:48,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:43:48,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:43:48,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:43:48,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:43:48,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:43:48,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:43:48,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:43:48,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:43:48,084 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:43:48,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:43:48,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:43:48,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:43:48,095 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_125cde47-84b7-42c8-91ab-306fe10a6ce0/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 -> 96832dfae97efc9710fb813b6fbaafcdad425138 [2019-11-26 02:43:48,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:43:48,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:43:48,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:43:48,279 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:43:48,280 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:43:48,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-11-26 02:43:48,337 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/data/e31d139e1/b1b90b796d6747c5bbb5d2201022ddb5/FLAG6c8284aa1 [2019-11-26 02:43:48,815 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:43:48,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-11-26 02:43:48,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/data/e31d139e1/b1b90b796d6747c5bbb5d2201022ddb5/FLAG6c8284aa1 [2019-11-26 02:43:49,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/data/e31d139e1/b1b90b796d6747c5bbb5d2201022ddb5 [2019-11-26 02:43:49,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:43:49,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:43:49,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:43:49,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:43:49,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:43:49,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:43:49" (1/1) ... [2019-11-26 02:43:49,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55bdd47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:49, skipping insertion in model container [2019-11-26 02:43:49,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:43:49" (1/1) ... [2019-11-26 02:43:49,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:43:49,212 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:43:49,711 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: fdim at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1650) 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: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.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1356) 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:1300) 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: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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:43:49,717 INFO L168 Benchmark]: Toolchain (without parser) took 573.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -209.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:43:49,718 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:43:49,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -209.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:43:49,720 INFO L335 ainManager$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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 570.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -209.3 MB). Peak memory consumption was 18.1 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: fdim de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) 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 02:43:51,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:43:51,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:43:51,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:43:51,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:43:51,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:43:51,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:43:51,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:43:51,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:43:51,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:43:51,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:43:51,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:43:51,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:43:51,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:43:51,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:43:51,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:43:51,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:43:51,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:43:51,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:43:51,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:43:51,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:43:51,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:43:51,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:43:51,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:43:51,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:43:51,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:43:51,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:43:51,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:43:51,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:43:51,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:43:51,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:43:51,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:43:51,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:43:51,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:43:51,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:43:51,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:43:51,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:43:51,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:43:51,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:43:51,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:43:51,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:43:51,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:43:51,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:43:51,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:43:51,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:43:51,268 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:43:51,268 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:43:51,269 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:43:51,269 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:43:51,269 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:43:51,269 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:43:51,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:43:51,270 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:43:51,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:43:51,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:43:51,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:43:51,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:43:51,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:43:51,271 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:43:51,272 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:43:51,272 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:43:51,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:43:51,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:43:51,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:43:51,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:43:51,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:43:51,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:43:51,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:43:51,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:43:51,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:43:51,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:43:51,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:43:51,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:43:51,275 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:43:51,275 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:43:51,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:43:51,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:43:51,276 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_125cde47-84b7-42c8-91ab-306fe10a6ce0/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 -> 96832dfae97efc9710fb813b6fbaafcdad425138 [2019-11-26 02:43:51,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:43:51,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:43:51,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:43:51,663 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:43:51,664 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:43:51,664 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-11-26 02:43:51,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/data/b2a05304a/71e3d9ff37b841bd81fdb84d96da7fa1/FLAGf855b7ecf [2019-11-26 02:43:52,177 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:43:52,178 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-11-26 02:43:52,190 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/data/b2a05304a/71e3d9ff37b841bd81fdb84d96da7fa1/FLAGf855b7ecf [2019-11-26 02:43:52,201 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/data/b2a05304a/71e3d9ff37b841bd81fdb84d96da7fa1 [2019-11-26 02:43:52,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:43:52,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:43:52,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:43:52,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:43:52,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:43:52,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:43:52" (1/1) ... [2019-11-26 02:43:52,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b21f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:52, skipping insertion in model container [2019-11-26 02:43:52,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:43:52" (1/1) ... [2019-11-26 02:43:52,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:43:52,264 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:43:52,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:43:52,789 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:43:52,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:43:53,224 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:43:53,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:53 WrapperNode [2019-11-26 02:43:53,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:43:53,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:43:53,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:43:53,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:43:53,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:53" (1/1) ... [2019-11-26 02:43:53,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:53" (1/1) ... [2019-11-26 02:43:53,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:43:53,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:43:53,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:43:53,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:43:53,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:53" (1/1) ... [2019-11-26 02:43:53,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:53" (1/1) ... [2019-11-26 02:43:53,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:53" (1/1) ... [2019-11-26 02:43:53,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:53" (1/1) ... [2019-11-26 02:43:53,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:53" (1/1) ... [2019-11-26 02:43:53,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:53" (1/1) ... [2019-11-26 02:43:53,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:53" (1/1) ... [2019-11-26 02:43:53,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:43:53,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:43:53,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:43:53,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:43:53,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/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 02:43:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:43:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:43:53,645 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:43:53,646 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-26 02:43:53,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:43:53 BoogieIcfgContainer [2019-11-26 02:43:53,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:43:53,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:43:53,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:43:53,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:43:53,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:43:52" (1/3) ... [2019-11-26 02:43:53,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b07a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:43:53, skipping insertion in model container [2019-11-26 02:43:53,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:43:53" (2/3) ... [2019-11-26 02:43:53,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b07a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:43:53, skipping insertion in model container [2019-11-26 02:43:53,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:43:53" (3/3) ... [2019-11-26 02:43:53,654 INFO L109 eAbstractionObserver]: Analyzing ICFG fdim.i [2019-11-26 02:43:53,663 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:43:53,679 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-11-26 02:43:53,698 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-11-26 02:43:53,721 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:43:53,721 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:43:53,721 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:43:53,722 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:43:53,722 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:43:53,722 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:43:53,722 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:43:53,722 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:43:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-26 02:43:53,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:43:53,740 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:43:53,740 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-26 02:43:53,741 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:43:53,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:43:53,745 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-11-26 02:43:53,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:43:53,754 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767764148] [2019-11-26 02:43:53,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/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 02:43:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:43:53,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-26 02:43:53,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:43:53,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,882 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,894 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:53,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,049 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,050 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,084 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,102 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,113 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,125 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,126 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,127 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,178 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,178 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,179 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,179 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,181 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,198 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,208 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,209 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,209 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,221 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,231 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,245 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,255 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,269 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,283 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,283 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,302 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,312 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,313 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,336 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,357 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,491 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,525 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,526 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,528 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,537 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,590 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,590 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,591 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,591 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,615 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,634 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,643 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,643 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,644 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,644 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,645 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,656 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:43:54,702 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 02:43:54,702 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:43:54,739 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 02:43:54,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767764148] [2019-11-26 02:43:54,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:43:54,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-26 02:43:54,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009171217] [2019-11-26 02:43:54,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:43:54,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:43:54,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:43:54,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:43:54,757 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2019-11-26 02:43:54,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:43:54,875 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2019-11-26 02:43:54,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:43:54,877 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-26 02:43:54,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:43:54,886 INFO L225 Difference]: With dead ends: 37 [2019-11-26 02:43:54,886 INFO L226 Difference]: Without dead ends: 13 [2019-11-26 02:43:54,890 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:43:54,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-26 02:43:54,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-26 02:43:54,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-26 02:43:54,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-11-26 02:43:54,929 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 4 [2019-11-26 02:43:54,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:43:54,930 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-11-26 02:43:54,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:43:54,930 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-11-26 02:43:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:43:54,932 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:43:54,934 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:43:55,148 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:43:55,148 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:43:55,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:43:55,148 INFO L82 PathProgramCache]: Analyzing trace with hash -565231631, now seen corresponding path program 1 times [2019-11-26 02:43:55,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:43:55,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744549325] [2019-11-26 02:43:55,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/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 02:43:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:43:55,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-26 02:43:55,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:43:55,519 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 5 [2019-11-26 02:43:55,522 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 02:43:55,522 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:43:56,701 WARN L192 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 7 [2019-11-26 02:43:56,707 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 02:43:56,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744549325] [2019-11-26 02:43:56,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:43:56,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-26 02:43:56,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507362555] [2019-11-26 02:43:56,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:43:56,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:43:56,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:43:56,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:43:56,710 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 6 states. [2019-11-26 02:43:56,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:43:56,814 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-26 02:43:56,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:43:56,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-11-26 02:43:56,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:43:56,820 INFO L225 Difference]: With dead ends: 13 [2019-11-26 02:43:56,820 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:43:56,821 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-26 02:43:56,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:43:56,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:43:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:43:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:43:56,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-26 02:43:56,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:43:56,822 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:43:56,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:43:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:43:56,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:43:57,023 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 02:43:57,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:43:57,092 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,093 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-26 02:43:57,093 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,093 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:43:57,093 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-26 02:43:57,093 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,093 INFO L444 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,093 INFO L444 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,094 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:43:57,094 INFO L440 ceAbstractionStarter]: At program point L867-3(line 867) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-26 02:43:57,094 INFO L444 ceAbstractionStarter]: For program point L867-4(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,094 INFO L444 ceAbstractionStarter]: For program point L867-5(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,094 INFO L440 ceAbstractionStarter]: At program point L867-7(line 867) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-26 02:43:57,094 INFO L444 ceAbstractionStarter]: For program point L867-8(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,095 INFO L444 ceAbstractionStarter]: For program point L867-9(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,095 INFO L440 ceAbstractionStarter]: At program point L867-11(line 867) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-26 02:43:57,095 INFO L444 ceAbstractionStarter]: For program point L867-12(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,095 INFO L444 ceAbstractionStarter]: For program point L867-13(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,095 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,095 INFO L440 ceAbstractionStarter]: At program point L867-15(line 867) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-26 02:43:57,095 INFO L444 ceAbstractionStarter]: For program point L867-16(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,095 INFO L444 ceAbstractionStarter]: For program point L867-17(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,096 INFO L440 ceAbstractionStarter]: At program point L867-19(lines 1 877) the Hoare annotation is: (not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) [2019-11-26 02:43:57,096 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-26 02:43:57,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:43:57,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:43:57,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:43:57,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:43:57,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:43:57,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:43:57,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:43:57,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:43:57,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:43:57 BoogieIcfgContainer [2019-11-26 02:43:57,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:43:57,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:43:57,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:43:57,120 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:43:57,121 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:43:53" (3/4) ... [2019-11-26 02:43:57,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:43:57,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-26 02:43:57,137 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:43:57,204 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_125cde47-84b7-42c8-91ab-306fe10a6ce0/bin/utaipan/witness.graphml [2019-11-26 02:43:57,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:43:57,206 INFO L168 Benchmark]: Toolchain (without parser) took 5000.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.4 MB in the beginning and 856.7 MB in the end (delta: 95.7 MB). Peak memory consumption was 234.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:43:57,206 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:43:57,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1019.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -75.3 MB). Peak memory consumption was 74.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:43:57,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:43:57,208 INFO L168 Benchmark]: Boogie Preprocessor took 24.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:43:57,208 INFO L168 Benchmark]: RCFGBuilder took 330.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:43:57,209 INFO L168 Benchmark]: TraceAbstraction took 3471.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 856.7 MB in the end (delta: 153.6 MB). Peak memory consumption was 153.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:43:57,209 INFO L168 Benchmark]: Witness Printer took 84.72 ms. Allocated memory is still 1.2 GB. Free memory is still 856.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:43:57,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1019.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -75.3 MB). Peak memory consumption was 74.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 330.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3471.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 856.7 MB in the end (delta: 153.6 MB). Peak memory consumption was 153.6 MB. Max. memory is 11.5 GB. * Witness Printer took 84.72 ms. Allocated memory is still 1.2 GB. Free memory is still 856.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 867]: Loop Invariant [2019-11-26 02:43:57,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:43:57,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 867]: Loop Invariant [2019-11-26 02:43:57,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:43:57,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 867]: Loop Invariant [2019-11-26 02:43:57,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:43:57,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 867]: Loop Invariant [2019-11-26 02:43:57,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:43:57,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:43:57,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: !(cond == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 5 error locations. Result: SAFE, OverallTime: 3.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 10 SDslu, 8 SDs, 0 SdLazy, 18 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 40 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1546 SizeOfPredicates, 7 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 7 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...