./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/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_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/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_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/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_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/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 0.1.23-1dbac8b [2018-10-27 00:40:20,122 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:40:20,124 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:40:20,133 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:40:20,133 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:40:20,134 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:40:20,135 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:40:20,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:40:20,138 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:40:20,139 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:40:20,139 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:40:20,140 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:40:20,140 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:40:20,141 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:40:20,142 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:40:20,143 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:40:20,144 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:40:20,145 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:40:20,147 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:40:20,148 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:40:20,149 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:40:20,151 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:40:20,152 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:40:20,153 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:40:20,153 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:40:20,154 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:40:20,155 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:40:20,155 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:40:20,156 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:40:20,157 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:40:20,157 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:40:20,158 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:40:20,158 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:40:20,159 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:40:20,160 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:40:20,160 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:40:20,160 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 00:40:20,172 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:40:20,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:40:20,173 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:40:20,173 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:40:20,174 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:40:20,174 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:40:20,174 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:40:20,174 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:40:20,175 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:40:20,175 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:40:20,175 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:40:20,176 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:40:20,176 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:40:20,176 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:40:20,176 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:40:20,176 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:40:20,177 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:40:20,177 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:40:20,177 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:40:20,177 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:40:20,177 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:40:20,177 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:40:20,177 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:40:20,178 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:40:20,178 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:40:20,178 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:40:20,178 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:40:20,180 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:40:20,180 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:40:20,180 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:40:20,180 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:40:20,181 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:40:20,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:40:20,181 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:40:20,181 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_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/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 [2018-10-27 00:40:20,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:40:20,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:40:20,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:40:20,223 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:40:20,223 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:40:20,224 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1_true-unreach-call.i [2018-10-27 00:40:20,269 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/data/e7ccb2a06/8c736167b4094feb86337ca2a4a6e14e/FLAG558279d17 [2018-10-27 00:40:20,711 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:40:20,712 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/sv-benchmarks/c/floats-cbmc-regression/float-to-double1_true-unreach-call.i [2018-10-27 00:40:20,725 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/data/e7ccb2a06/8c736167b4094feb86337ca2a4a6e14e/FLAG558279d17 [2018-10-27 00:40:20,739 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/data/e7ccb2a06/8c736167b4094feb86337ca2a4a6e14e [2018-10-27 00:40:20,742 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:40:20,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:40:20,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:40:20,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:40:20,747 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:40:20,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:40:20" (1/1) ... [2018-10-27 00:40:20,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4ea144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:20, skipping insertion in model container [2018-10-27 00:40:20,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:40:20" (1/1) ... [2018-10-27 00:40:20,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:40:20,826 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:40:21,282 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:838) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:995) 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:2169) 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:662) 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:2169) 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:663) 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:2169) 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:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1511) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) 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:364) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:537) 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:188) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 00:40:21,287 INFO L168 Benchmark]: Toolchain (without parser) took 545.28 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 938.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:40:21,289 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:40:21,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.77 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 938.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:40:21,292 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 542.77 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 938.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 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:838) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:40:23,007 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:40:23,009 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:40:23,018 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:40:23,018 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:40:23,019 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:40:23,020 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:40:23,021 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:40:23,023 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:40:23,023 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:40:23,024 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:40:23,024 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:40:23,025 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:40:23,025 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:40:23,026 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:40:23,027 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:40:23,028 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:40:23,029 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:40:23,031 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:40:23,032 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:40:23,033 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:40:23,034 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:40:23,036 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:40:23,036 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:40:23,036 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:40:23,037 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:40:23,038 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:40:23,039 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:40:23,039 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:40:23,040 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:40:23,040 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:40:23,041 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:40:23,041 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:40:23,041 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:40:23,042 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:40:23,043 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:40:23,043 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 00:40:23,055 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:40:23,056 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:40:23,056 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:40:23,056 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:40:23,057 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:40:23,057 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:40:23,057 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:40:23,057 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:40:23,058 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:40:23,058 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:40:23,058 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:40:23,058 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:40:23,059 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:40:23,059 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:40:23,059 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:40:23,059 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 00:40:23,059 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 00:40:23,060 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:40:23,060 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:40:23,060 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:40:23,060 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:40:23,060 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:40:23,061 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:40:23,061 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:40:23,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:40:23,061 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:40:23,061 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:40:23,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:40:23,062 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 00:40:23,062 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:40:23,062 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 00:40:23,062 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 00:40:23,063 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_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/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 [2018-10-27 00:40:23,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:40:23,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:40:23,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:40:23,112 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:40:23,112 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:40:23,113 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1_true-unreach-call.i [2018-10-27 00:40:23,170 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/data/fbcf918af/d86bb6f0cf1b44e8a1850c09dca085eb/FLAGf836a05a1 [2018-10-27 00:40:23,667 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:40:23,668 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/sv-benchmarks/c/floats-cbmc-regression/float-to-double1_true-unreach-call.i [2018-10-27 00:40:23,681 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/data/fbcf918af/d86bb6f0cf1b44e8a1850c09dca085eb/FLAGf836a05a1 [2018-10-27 00:40:23,693 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/data/fbcf918af/d86bb6f0cf1b44e8a1850c09dca085eb [2018-10-27 00:40:23,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:40:23,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:40:23,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:40:23,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:40:23,706 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:40:23,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:40:23" (1/1) ... [2018-10-27 00:40:23,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9512f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:23, skipping insertion in model container [2018-10-27 00:40:23,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:40:23" (1/1) ... [2018-10-27 00:40:23,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:40:23,780 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:40:24,338 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:40:24,343 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:40:24,371 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:40:24,681 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:40:24,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:24 WrapperNode [2018-10-27 00:40:24,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:40:24,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:40:24,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:40:24,683 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:40:24,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:24" (1/1) ... [2018-10-27 00:40:24,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:24" (1/1) ... [2018-10-27 00:40:24,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:40:24,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:40:24,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:40:24,736 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:40:24,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:24" (1/1) ... [2018-10-27 00:40:24,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:24" (1/1) ... [2018-10-27 00:40:24,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:24" (1/1) ... [2018-10-27 00:40:24,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:24" (1/1) ... [2018-10-27 00:40:24,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:24" (1/1) ... [2018-10-27 00:40:24,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:24" (1/1) ... [2018-10-27 00:40:24,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:24" (1/1) ... [2018-10-27 00:40:24,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:40:24,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:40:24,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:40:24,768 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:40:24,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/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 [2018-10-27 00:40:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:40:24,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:40:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:40:24,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:40:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:40:24,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:40:25,594 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:40:25,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:40:25 BoogieIcfgContainer [2018-10-27 00:40:25,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:40:25,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:40:25,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:40:25,599 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:40:25,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:40:23" (1/3) ... [2018-10-27 00:40:25,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336c16d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:40:25, skipping insertion in model container [2018-10-27 00:40:25,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:24" (2/3) ... [2018-10-27 00:40:25,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336c16d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:40:25, skipping insertion in model container [2018-10-27 00:40:25,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:40:25" (3/3) ... [2018-10-27 00:40:25,603 INFO L112 eAbstractionObserver]: Analyzing ICFG float-to-double1_true-unreach-call.i [2018-10-27 00:40:25,612 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:40:25,620 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:40:25,635 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:40:25,663 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:40:25,664 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:40:25,664 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:40:25,664 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:40:25,664 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:40:25,665 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:40:25,665 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:40:25,665 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:40:25,665 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:40:25,681 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-10-27 00:40:25,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 00:40:25,686 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:40:25,687 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:40:25,689 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:40:25,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:40:25,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1213834031, now seen corresponding path program 1 times [2018-10-27 00:40:25,699 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:40:25,699 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/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 [2018-10-27 00:40:25,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:40:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:40:25,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:40:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:40:25,801 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:40:25,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:40:25,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:40:25,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:40:25,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:40:25,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:40:25,828 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2018-10-27 00:40:26,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:40:26,331 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2018-10-27 00:40:26,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:40:26,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-10-27 00:40:26,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:40:26,340 INFO L225 Difference]: With dead ends: 36 [2018-10-27 00:40:26,340 INFO L226 Difference]: Without dead ends: 15 [2018-10-27 00:40:26,343 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:40:26,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-10-27 00:40:26,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-10-27 00:40:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-10-27 00:40:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-10-27 00:40:26,371 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2018-10-27 00:40:26,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:40:26,372 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-10-27 00:40:26,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:40:26,372 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-10-27 00:40:26,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 00:40:26,372 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:40:26,373 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:40:26,373 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:40:26,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:40:26,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1704340610, now seen corresponding path program 1 times [2018-10-27 00:40:26,373 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:40:26,374 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-27 00:40:26,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:40:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:40:26,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:40:30,022 WARN L179 SmtUtils]: Spent 3.21 s on a formula simplification that was a NOOP. DAG size: 11 [2018-10-27 00:40:32,300 WARN L179 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-10-27 00:40:51,431 WARN L179 SmtUtils]: Spent 10.62 s on a formula simplification that was a NOOP. DAG size: 18 [2018-10-27 00:40:56,146 WARN L854 $PredicateComparison]: unable to prove that (or (and (exists ((main_~f~0 (_ FloatingPoint 8 24))) (and (not (fp.isNaN main_~f~0)) (not (fp.eq main_~f~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE main_~f~0)))))) (not |c_main_#t~short89|)) |c_main_#t~short89|) is different from true [2018-10-27 00:41:00,177 WARN L832 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 8 24))) (and (not (fp.isNaN main_~f~0)) (not (fp.eq main_~f~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE main_~f~0)))))) is different from false [2018-10-27 00:41:02,193 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 8 24))) (and (not (fp.isNaN main_~f~0)) (not (fp.eq main_~f~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE main_~f~0)))))) is different from true [2018-10-27 00:41:10,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:41:10,261 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:41:10,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:41:10,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:41:10,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:41:10,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:41:10,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=13, Unknown=4, NotChecked=14, Total=42 [2018-10-27 00:41:10,276 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 7 states. [2018-10-27 00:41:19,783 WARN L179 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-10-27 00:41:53,561 WARN L179 SmtUtils]: Spent 32.18 s on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-10-27 00:41:56,576 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.eq c_main_~f~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE c_main_~f~0))))) (let ((.cse0 (not .cse1)) (.cse2 (exists ((main_~f~0 (_ FloatingPoint 8 24))) (and (not (fp.isNaN main_~f~0)) (not (fp.eq main_~f~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE main_~f~0)))))))) (and .cse0 (or (and .cse0 (not |c_main_#t~short90|)) (and |c_main_#t~short90| .cse1)) (or (and .cse2 (not |c_main_#t~short89|)) |c_main_#t~short89|) (or (= (bvadd |c_main_#t~ite86| (_ bv4294967295 32)) (_ bv0 32)) (and (= |c_main_#t~ite86| (_ bv0 32)) .cse2))))) is different from false [2018-10-27 00:41:57,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:41:57,563 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2018-10-27 00:41:57,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:41:57,576 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-10-27 00:41:57,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:41:57,577 INFO L225 Difference]: With dead ends: 19 [2018-10-27 00:41:57,577 INFO L226 Difference]: Without dead ends: 15 [2018-10-27 00:41:57,578 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 70.2s TimeCoverageRelationStatistics Valid=23, Invalid=26, Unknown=5, NotChecked=36, Total=90 [2018-10-27 00:41:57,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-10-27 00:41:57,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-10-27 00:41:57,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-10-27 00:41:57,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2018-10-27 00:41:57,580 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 12 [2018-10-27 00:41:57,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:41:57,580 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2018-10-27 00:41:57,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:41:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2018-10-27 00:41:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 00:41:57,581 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:41:57,581 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:41:57,581 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:41:57,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:41:57,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1960947261, now seen corresponding path program 1 times [2018-10-27 00:41:57,582 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:41:57,582 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-10-27 00:41:57,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:41:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:41:57,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:41:58,590 WARN L179 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-10-27 00:42:06,718 WARN L179 SmtUtils]: Spent 5.01 s on a formula simplification that was a NOOP. DAG size: 26 [2018-10-27 00:42:10,484 WARN L854 $PredicateComparison]: unable to prove that (or (and (exists ((v_prenex_1 (_ FloatingPoint 8 24))) (and (= c_main_~ff~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE v_prenex_1))) (fp.isNaN v_prenex_1))) |c_main_#t~short89|) (and (not |c_main_#t~short89|) (exists ((main_~f~0 (_ FloatingPoint 8 24))) (and (not (fp.isNaN main_~f~0)) (= c_main_~ff~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE main_~f~0))))))) is different from true [2018-10-27 00:42:12,478 WARN L179 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-27 00:42:18,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:42:18,338 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:42:18,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:42:18,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 00:42:18,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 00:42:18,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 00:42:18,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=43, Unknown=2, NotChecked=12, Total=72 [2018-10-27 00:42:18,349 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 9 states. [2018-10-27 00:42:21,430 WARN L832 $PredicateComparison]: unable to prove that (and (or (and (= |c_main_#t~ite86| (_ bv0 32)) (exists ((main_~f~0 (_ FloatingPoint 8 24))) (and (not (fp.isNaN main_~f~0)) (= c_main_~ff~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE main_~f~0)))))) (and (= (bvadd |c_main_#t~ite86| (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_prenex_1 (_ FloatingPoint 8 24))) (and (= c_main_~ff~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE v_prenex_1))) (fp.isNaN v_prenex_1))))) (= c_main_~ff~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE c_main_~f~0)))) is different from false [2018-10-27 00:42:25,974 WARN L179 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 00:42:28,966 WARN L179 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 00:42:31,485 WARN L179 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-27 00:42:31,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:42:31,486 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2018-10-27 00:42:31,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 00:42:31,487 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2018-10-27 00:42:31,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:42:31,487 INFO L225 Difference]: With dead ends: 15 [2018-10-27 00:42:31,487 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:42:31,489 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.7s TimeCoverageRelationStatistics Valid=35, Invalid=79, Unknown=4, NotChecked=38, Total=156 [2018-10-27 00:42:31,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:42:31,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:42:31,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:42:31,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:42:31,490 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-10-27 00:42:31,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:42:31,490 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:42:31,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 00:42:31,490 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:42:31,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:42:31,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:42:31,527 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-27 00:42:31,527 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:42:31,527 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:42:31,527 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 00:42:31,527 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:42:31,527 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:42:31,527 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 958 966) no Hoare annotation was computed. [2018-10-27 00:42:31,527 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,528 INFO L425 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,528 INFO L425 ceAbstractionStarter]: For program point L965-2(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,528 INFO L425 ceAbstractionStarter]: For program point L965-4(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,528 INFO L425 ceAbstractionStarter]: For program point L965-6(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,528 INFO L425 ceAbstractionStarter]: For program point L965-7(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,528 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 958 966) the Hoare annotation is: true [2018-10-27 00:42:31,528 INFO L425 ceAbstractionStarter]: For program point L965-8(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,528 INFO L425 ceAbstractionStarter]: For program point L965-9(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,528 INFO L425 ceAbstractionStarter]: For program point L965-11(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,528 INFO L425 ceAbstractionStarter]: For program point L965-13(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,528 INFO L425 ceAbstractionStarter]: For program point L965-14(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,528 INFO L425 ceAbstractionStarter]: For program point L965-16(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,529 INFO L425 ceAbstractionStarter]: For program point L965-17(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,529 INFO L425 ceAbstractionStarter]: For program point L965-18(line 965) no Hoare annotation was computed. [2018-10-27 00:42:31,529 INFO L425 ceAbstractionStarter]: For program point L965-20(lines 958 966) no Hoare annotation was computed. [2018-10-27 00:42:31,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:42:31 BoogieIcfgContainer [2018-10-27 00:42:31,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:42:31,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:42:31,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:42:31,531 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:42:31,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:40:25" (3/4) ... [2018-10-27 00:42:31,534 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:42:31,540 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 00:42:31,540 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 00:42:31,548 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-27 00:42:31,548 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 00:42:31,548 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 00:42:31,586 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d5ba3f8d-c75b-46bb-aad4-c0f4ef6954bb/bin-2019/utaipan/witness.graphml [2018-10-27 00:42:31,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:42:31,587 INFO L168 Benchmark]: Toolchain (without parser) took 127886.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 942.5 MB in the beginning and 1.0 GB in the end (delta: -98.7 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:42:31,588 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:42:31,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 980.35 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 829.8 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:42:31,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.52 ms. Allocated memory is still 1.0 GB. Free memory is still 829.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:42:31,589 INFO L168 Benchmark]: Boogie Preprocessor took 31.51 ms. Allocated memory is still 1.0 GB. Free memory was 829.8 MB in the beginning and 824.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:42:31,589 INFO L168 Benchmark]: RCFGBuilder took 826.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 824.4 MB in the beginning and 1.1 GB in the end (delta: -310.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:42:31,590 INFO L168 Benchmark]: TraceAbstraction took 125935.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.1 MB). Peak memory consumption was 88.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:42:31,590 INFO L168 Benchmark]: Witness Printer took 55.10 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: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:42:31,595 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 980.35 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 829.8 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.52 ms. Allocated memory is still 1.0 GB. Free memory is still 829.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.51 ms. Allocated memory is still 1.0 GB. Free memory was 829.8 MB in the beginning and 824.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 826.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 824.4 MB in the beginning and 1.1 GB in the end (delta: -310.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 125935.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.1 MB). Peak memory consumption was 88.1 MB. Max. memory is 11.5 GB. * Witness Printer took 55.10 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: 5.6 MB). Peak memory consumption was 5.6 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, 23 locations, 1 error locations. SAFE Result, 125.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 60.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 35 SDtfs, 13 SDslu, 69 SDs, 0 SdLazy, 35 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 102.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 3 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, 64.5s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 8 QuantifiedInterpolants, 2592 SizeOfPredicates, 13 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...