./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/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 c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 ........................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/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 c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:45:15,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:45:15,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:45:15,080 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:45:15,081 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:45:15,081 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:45:15,082 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:45:15,084 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:45:15,085 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:45:15,085 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:45:15,086 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:45:15,086 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:45:15,087 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:45:15,087 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:45:15,088 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:45:15,089 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:45:15,089 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:45:15,091 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:45:15,092 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:45:15,093 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:45:15,094 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:45:15,094 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:45:15,096 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:45:15,096 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:45:15,096 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:45:15,097 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:45:15,097 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:45:15,098 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:45:15,098 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:45:15,099 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:45:15,099 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:45:15,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:45:15,099 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:45:15,099 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:45:15,100 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:45:15,100 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:45:15,100 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:45:15,107 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:45:15,107 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:45:15,108 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:45:15,108 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:45:15,108 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:45:15,108 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:45:15,108 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:45:15,108 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:45:15,108 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:45:15,109 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:45:15,109 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:45:15,109 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:45:15,109 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:45:15,110 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:45:15,110 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:45:15,110 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:45:15,110 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:45:15,110 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:45:15,110 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:45:15,111 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:45:15,111 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:45:15,111 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:45:15,111 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:45:15,111 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:45:15,111 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:45:15,111 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:45:15,112 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:45:15,112 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:45:15,112 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:45:15,112 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:45:15,112 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:45:15,112 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:45:15,112 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:45:15,113 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:45:15,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:45:15,113 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:45:15,113 INFO L133 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/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/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 -> c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 [2018-12-09 19:45:15,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:45:15,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:45:15,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:45:15,147 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:45:15,147 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:45:15,148 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1_true-unreach-call.i [2018-12-09 19:45:15,183 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/data/697ec2a7a/df11569b33f34a8f928fdd502b6af0cf/FLAGc00c6b6b3 [2018-12-09 19:45:15,546 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:45:15,546 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/sv-benchmarks/c/floats-cbmc-regression/float-to-double1_true-unreach-call.i [2018-12-09 19:45:15,552 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/data/697ec2a7a/df11569b33f34a8f928fdd502b6af0cf/FLAGc00c6b6b3 [2018-12-09 19:45:15,919 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/data/697ec2a7a/df11569b33f34a8f928fdd502b6af0cf [2018-12-09 19:45:15,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:45:15,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:45:15,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:45:15,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:45:15,929 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:45:15,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:45:15" (1/1) ... [2018-12-09 19:45:15,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8b50b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:15, skipping insertion in model container [2018-12-09 19:45:15,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:45:15" (1/1) ... [2018-12-09 19:45:15,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:45:15,966 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:45:16,207 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1668) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1320) 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:998) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:665) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1482) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1342) 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:3446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2241) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:539) 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:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 19:45:16,209 INFO L168 Benchmark]: Toolchain (without parser) took 286.09 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:45:16,210 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:45:16,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.67 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:45:16,211 INFO L336 ainManager$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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.67 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 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: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:45:17,236 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:45:17,237 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:45:17,243 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:45:17,244 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:45:17,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:45:17,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:45:17,245 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:45:17,246 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:45:17,247 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:45:17,247 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:45:17,247 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:45:17,248 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:45:17,248 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:45:17,249 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:45:17,249 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:45:17,249 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:45:17,250 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:45:17,251 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:45:17,252 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:45:17,252 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:45:17,253 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:45:17,254 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:45:17,254 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:45:17,254 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:45:17,255 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:45:17,255 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:45:17,256 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:45:17,256 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:45:17,256 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:45:17,257 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:45:17,257 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:45:17,257 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:45:17,257 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:45:17,258 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:45:17,258 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:45:17,258 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 19:45:17,265 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:45:17,265 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:45:17,266 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:45:17,266 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:45:17,266 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:45:17,266 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:45:17,266 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:45:17,267 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:45:17,267 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:45:17,267 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:45:17,267 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:45:17,267 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:45:17,267 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:45:17,267 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:45:17,267 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:45:17,268 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:45:17,268 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:45:17,268 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 19:45:17,268 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 19:45:17,268 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:45:17,268 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:45:17,268 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:45:17,268 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:45:17,268 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:45:17,268 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:45:17,268 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:45:17,269 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:45:17,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:45:17,269 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:45:17,269 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:45:17,269 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:45:17,269 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 19:45:17,269 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:45:17,269 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 19:45:17,269 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 19:45:17,269 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/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 -> c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 [2018-12-09 19:45:17,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:45:17,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:45:17,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:45:17,301 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:45:17,301 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:45:17,302 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1_true-unreach-call.i [2018-12-09 19:45:17,340 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/data/f7599953f/6010c72c818c46cdb8391f9459febedb/FLAG8db755006 [2018-12-09 19:45:17,791 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:45:17,792 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/sv-benchmarks/c/floats-cbmc-regression/float-to-double1_true-unreach-call.i [2018-12-09 19:45:17,798 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/data/f7599953f/6010c72c818c46cdb8391f9459febedb/FLAG8db755006 [2018-12-09 19:45:17,806 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/data/f7599953f/6010c72c818c46cdb8391f9459febedb [2018-12-09 19:45:17,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:45:17,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:45:17,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:45:17,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:45:17,811 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:45:17,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:45:17" (1/1) ... [2018-12-09 19:45:17,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f320ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:17, skipping insertion in model container [2018-12-09 19:45:17,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:45:17" (1/1) ... [2018-12-09 19:45:17,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:45:17,838 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:45:18,076 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:45:18,080 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:45:18,099 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:45:18,230 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:45:18,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:18 WrapperNode [2018-12-09 19:45:18,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:45:18,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:45:18,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:45:18,232 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:45:18,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:18" (1/1) ... [2018-12-09 19:45:18,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:18" (1/1) ... [2018-12-09 19:45:18,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:45:18,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:45:18,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:45:18,289 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:45:18,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:18" (1/1) ... [2018-12-09 19:45:18,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:18" (1/1) ... [2018-12-09 19:45:18,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:18" (1/1) ... [2018-12-09 19:45:18,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:18" (1/1) ... [2018-12-09 19:45:18,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:18" (1/1) ... [2018-12-09 19:45:18,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:18" (1/1) ... [2018-12-09 19:45:18,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:18" (1/1) ... [2018-12-09 19:45:18,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:45:18,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:45:18,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:45:18,301 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:45:18,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/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 [2018-12-09 19:45:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:45:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:45:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:45:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:45:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:45:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:45:18,679 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:45:18,679 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 19:45:18,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:45:18 BoogieIcfgContainer [2018-12-09 19:45:18,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:45:18,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:45:18,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:45:18,682 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:45:18,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:45:17" (1/3) ... [2018-12-09 19:45:18,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610f43eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:45:18, skipping insertion in model container [2018-12-09 19:45:18,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:18" (2/3) ... [2018-12-09 19:45:18,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610f43eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:45:18, skipping insertion in model container [2018-12-09 19:45:18,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:45:18" (3/3) ... [2018-12-09 19:45:18,683 INFO L112 eAbstractionObserver]: Analyzing ICFG float-to-double1_true-unreach-call.i [2018-12-09 19:45:18,689 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:45:18,693 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:45:18,702 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:45:18,723 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 19:45:18,723 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:45:18,723 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:45:18,723 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:45:18,723 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:45:18,723 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:45:18,724 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:45:18,724 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:45:18,724 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:45:18,733 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-09 19:45:18,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 19:45:18,736 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:45:18,736 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:45:18,737 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:45:18,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:45:18,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2018-12-09 19:45:18,742 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:45:18,743 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/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 [2018-12-09 19:45:18,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:45:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:45:18,865 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:45:19,345 WARN L180 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-09 19:45:28,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:45:28,890 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:45:28,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:45:28,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:45:28,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:45:28,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:45:28,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:45:28,909 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2018-12-09 19:45:29,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:45:29,230 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-12-09 19:45:29,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:45:29,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-09 19:45:29,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:45:29,245 INFO L225 Difference]: With dead ends: 16 [2018-12-09 19:45:29,245 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:45:29,247 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:45:29,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:45:29,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:45:29,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:45:29,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:45:29,261 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-12-09 19:45:29,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:45:29,262 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:45:29,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:45:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:45:29,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:45:29,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:45:29,289 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 19:45:29,289 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:45:29,290 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:45:29,290 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 19:45:29,290 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:45:29,290 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:45:29,290 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 958 966) the Hoare annotation is: true [2018-12-09 19:45:29,290 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 958 966) no Hoare annotation was computed. [2018-12-09 19:45:29,290 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 965) no Hoare annotation was computed. [2018-12-09 19:45:29,290 INFO L448 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-12-09 19:45:29,290 INFO L448 ceAbstractionStarter]: For program point L965-1(line 965) no Hoare annotation was computed. [2018-12-09 19:45:29,290 INFO L448 ceAbstractionStarter]: For program point L965-3(lines 958 966) no Hoare annotation was computed. [2018-12-09 19:45:29,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:45:29 BoogieIcfgContainer [2018-12-09 19:45:29,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:45:29,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:45:29,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:45:29,293 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:45:29,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:45:18" (3/4) ... [2018-12-09 19:45:29,297 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:45:29,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:45:29,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:45:29,303 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 19:45:29,303 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:45:29,303 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:45:29,325 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6cef2838-e332-4e08-bc98-ab289bae9a57/bin-2019/utaipan/witness.graphml [2018-12-09 19:45:29,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:45:29,326 INFO L168 Benchmark]: Toolchain (without parser) took 11517.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -128.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:45:29,326 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:45:29,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.05 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 832.0 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:45:29,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 832.0 MB in the beginning and 1.1 GB in the end (delta: -288.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:45:29,327 INFO L168 Benchmark]: Boogie Preprocessor took 12.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:45:29,327 INFO L168 Benchmark]: RCFGBuilder took 378.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:45:29,328 INFO L168 Benchmark]: TraceAbstraction took 10612.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:45:29,328 INFO L168 Benchmark]: Witness Printer took 32.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:45:29,330 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 422.05 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 832.0 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 832.0 MB in the beginning and 1.1 GB in the end (delta: -288.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 378.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10612.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Witness Printer took 32.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 965]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. SAFE Result, 10.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 2 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 3 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...