./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/nan.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/nan.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/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 567b7fa1f847760293934d0162ff45c1e81b7a4f ........................................................................................................................................................................ 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_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/nan.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/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 567b7fa1f847760293934d0162ff45c1e81b7a4f ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:36:32,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:36:32,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:36:32,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:36:32,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:36:32,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:36:32,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:36:32,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:36:32,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:36:32,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:36:32,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:36:32,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:36:32,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:36:32,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:36:32,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:36:32,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:36:32,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:36:32,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:36:32,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:36:32,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:36:32,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:36:32,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:36:32,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:36:32,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:36:32,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:36:32,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:36:32,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:36:32,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:36:32,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:36:32,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:36:32,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:36:32,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:36:32,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:36:32,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:36:32,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:36:32,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:36:32,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:36:32,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:36:32,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:36:32,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:36:32,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:36:32,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:36:32,219 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:36:32,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:36:32,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:36:32,220 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:36:32,220 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:36:32,220 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:36:32,220 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:36:32,220 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:36:32,220 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:36:32,221 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:36:32,221 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:36:32,221 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:36:32,221 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:36:32,221 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:36:32,221 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:36:32,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:36:32,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:36:32,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:36:32,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:36:32,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:36:32,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:36:32,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:36:32,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:36:32,223 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:36:32,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:36:32,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:36:32,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:36:32,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:36:32,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:36:32,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:36:32,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:36:32,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:36:32,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:36:32,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:36:32,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:36:32,225 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:36:32,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:36:32,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:36:32,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:36:32,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:36:32,225 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_4d298961-7ccb-4f4c-b373-0c40f6203c9a/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 -> 567b7fa1f847760293934d0162ff45c1e81b7a4f [2019-12-07 10:36:32,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:36:32,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:36:32,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:36:32,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:36:32,337 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:36:32,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/nan.i [2019-12-07 10:36:32,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/data/8bade49a3/c2b670280f6046c3855d6f5f7fffd6c4/FLAGd63af8184 [2019-12-07 10:36:32,730 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:36:32,731 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/sv-benchmarks/c/floats-esbmc-regression/nan.i [2019-12-07 10:36:32,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/data/8bade49a3/c2b670280f6046c3855d6f5f7fffd6c4/FLAGd63af8184 [2019-12-07 10:36:32,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/data/8bade49a3/c2b670280f6046c3855d6f5f7fffd6c4 [2019-12-07 10:36:32,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:36:32,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:36:32,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:36:32,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:36:32,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:36:32,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:36:32" (1/1) ... [2019-12-07 10:36:32,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46069d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:32, skipping insertion in model container [2019-12-07 10:36:32,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:36:32" (1/1) ... [2019-12-07 10:36:32,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:36:32,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:36:33,083 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1644) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$38(StandardFunctionHandler.java:322) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1324) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2882) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2741) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2056) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1080) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) 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:1407) 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:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java: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) [2019-12-07 10:36:33,087 INFO L168 Benchmark]: Toolchain (without parser) took 334.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:33,088 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:36:33,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:33,089 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:36:34,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:36:34,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:36:34,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:36:34,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:36:34,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:36:34,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:36:34,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:36:34,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:36:34,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:36:34,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:36:34,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:36:34,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:36:34,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:36:34,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:36:34,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:36:34,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:36:34,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:36:34,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:36:34,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:36:34,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:36:34,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:36:34,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:36:34,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:36:34,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:36:34,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:36:34,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:36:34,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:36:34,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:36:34,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:36:34,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:36:34,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:36:34,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:36:34,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:36:34,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:36:34,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:36:34,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:36:34,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:36:34,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:36:34,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:36:34,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:36:34,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:36:34,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:36:34,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:36:34,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:36:34,253 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:36:34,253 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:36:34,253 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:36:34,253 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:36:34,253 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:36:34,254 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:36:34,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:36:34,254 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:36:34,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:36:34,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:36:34,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:36:34,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:36:34,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:36:34,255 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:36:34,255 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:36:34,255 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:36:34,255 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:36:34,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:36:34,256 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:36:34,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:36:34,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:36:34,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:36:34,256 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:36:34,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:36:34,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:36:34,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:36:34,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:36:34,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:36:34,257 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:36:34,257 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:36:34,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:36:34,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:36:34,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:36:34,257 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_4d298961-7ccb-4f4c-b373-0c40f6203c9a/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 -> 567b7fa1f847760293934d0162ff45c1e81b7a4f [2019-12-07 10:36:34,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:36:34,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:36:34,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:36:34,432 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:36:34,433 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:36:34,433 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/nan.i [2019-12-07 10:36:34,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/data/7b784c2d5/67b7f7b76c434bd4951fb4f452bd8e46/FLAG10611345d [2019-12-07 10:36:34,853 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:36:34,853 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/sv-benchmarks/c/floats-esbmc-regression/nan.i [2019-12-07 10:36:34,862 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/data/7b784c2d5/67b7f7b76c434bd4951fb4f452bd8e46/FLAG10611345d [2019-12-07 10:36:34,871 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/data/7b784c2d5/67b7f7b76c434bd4951fb4f452bd8e46 [2019-12-07 10:36:34,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:36:34,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:36:34,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:36:34,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:36:34,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:36:34,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:36:34" (1/1) ... [2019-12-07 10:36:34,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22520696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:34, skipping insertion in model container [2019-12-07 10:36:34,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:36:34" (1/1) ... [2019-12-07 10:36:34,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:36:34,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:36:35,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:36:35,217 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:36:35,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:36:35,469 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:36:35,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:35 WrapperNode [2019-12-07 10:36:35,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:36:35,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:36:35,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:36:35,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:36:35,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:35" (1/1) ... [2019-12-07 10:36:35,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:35" (1/1) ... [2019-12-07 10:36:35,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:36:35,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:36:35,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:36:35,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:36:35,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:35" (1/1) ... [2019-12-07 10:36:35,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:35" (1/1) ... [2019-12-07 10:36:35,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:35" (1/1) ... [2019-12-07 10:36:35,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:35" (1/1) ... [2019-12-07 10:36:35,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:35" (1/1) ... [2019-12-07 10:36:35,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:35" (1/1) ... [2019-12-07 10:36:35,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:35" (1/1) ... [2019-12-07 10:36:35,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:36:35,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:36:35,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:36:35,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:36:35,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/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 [2019-12-07 10:36:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:36:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:36:35,661 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:36:35,662 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 10:36:35,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:36:35 BoogieIcfgContainer [2019-12-07 10:36:35,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:36:35,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:36:35,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:36:35,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:36:35,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:36:34" (1/3) ... [2019-12-07 10:36:35,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653bab28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:36:35, skipping insertion in model container [2019-12-07 10:36:35,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:35" (2/3) ... [2019-12-07 10:36:35,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653bab28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:36:35, skipping insertion in model container [2019-12-07 10:36:35,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:36:35" (3/3) ... [2019-12-07 10:36:35,668 INFO L109 eAbstractionObserver]: Analyzing ICFG nan.i [2019-12-07 10:36:35,674 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:36:35,678 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-07 10:36:35,686 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-07 10:36:35,700 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:36:35,700 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:36:35,700 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:36:35,701 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:36:35,701 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:36:35,701 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:36:35,701 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:36:35,701 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:36:35,710 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-12-07 10:36:35,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 10:36:35,713 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:36:35,713 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 10:36:35,714 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:36:35,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:36:35,717 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-12-07 10:36:35,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:36:35,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96827888] [2019-12-07 10:36:35,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/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 [2019-12-07 10:36:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:36:35,761 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:36:35,764 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:36:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:35,803 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:36:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:35,816 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96827888] [2019-12-07 10:36:35,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:36:35,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:36:35,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051922961] [2019-12-07 10:36:35,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:36:35,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:36:35,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:36:35,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:36:35,833 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 4 states. [2019-12-07 10:36:35,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:36:35,855 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-12-07 10:36:35,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:36:35,856 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-12-07 10:36:35,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:36:35,861 INFO L225 Difference]: With dead ends: 17 [2019-12-07 10:36:35,861 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:36:35,863 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 [2019-12-07 10:36:35,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:36:35,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:36:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:36:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:36:35,880 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-12-07 10:36:35,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:36:35,881 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:36:35,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:36:35,881 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:36:35,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:36:36,082 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:36:36,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:36:36,152 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:36:36,152 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2019-12-07 10:36:36,152 INFO L246 CegarLoopResult]: For program point L1000(line 1000) no Hoare annotation was computed. [2019-12-07 10:36:36,153 INFO L246 CegarLoopResult]: For program point L1000-1(line 1000) no Hoare annotation was computed. [2019-12-07 10:36:36,153 INFO L242 CegarLoopResult]: At program point L1000-3(line 1000) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-12-07 10:36:36,153 INFO L246 CegarLoopResult]: For program point L1000-4(line 1000) no Hoare annotation was computed. [2019-12-07 10:36:36,153 INFO L246 CegarLoopResult]: For program point L1000-5(line 1000) no Hoare annotation was computed. [2019-12-07 10:36:36,153 INFO L242 CegarLoopResult]: At program point L1000-7(lines 1 1011) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-12-07 10:36:36,153 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:36:36,153 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:36:36,153 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:36:36,153 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2019-12-07 10:36:36,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:36:36 BoogieIcfgContainer [2019-12-07 10:36:36,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:36:36,164 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:36:36,164 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:36:36,164 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:36:36,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:36:35" (3/4) ... [2019-12-07 10:36:36,166 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:36:36,173 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:36:36,173 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:36:36,173 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:36:36,199 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4d298961-7ccb-4f4c-b373-0c40f6203c9a/bin/utaipan/witness.graphml [2019-12-07 10:36:36,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:36:36,200 INFO L168 Benchmark]: Toolchain (without parser) took 1326.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 947.0 MB in the beginning and 963.9 MB in the end (delta: -16.9 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:36,201 INFO L168 Benchmark]: CDTParser took 0.13 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. [2019-12-07 10:36:36,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -81.0 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:36,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.19 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:36,202 INFO L168 Benchmark]: Boogie Preprocessor took 15.18 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:36,202 INFO L168 Benchmark]: RCFGBuilder took 141.04 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: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:36,203 INFO L168 Benchmark]: TraceAbstraction took 499.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 963.9 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:36,203 INFO L168 Benchmark]: Witness Printer took 35.50 ms. Allocated memory is still 1.2 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:36:36,205 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 595.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -81.0 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.19 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.18 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 141.04 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: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 499.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 963.9 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * Witness Printer took 35.50 ms. Allocated memory is still 1.2 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1000]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1000]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Result: SAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 8 SDslu, 1 SDs, 0 SdLazy, 2 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 5 NumberOfNonLiveVariables, 8 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...