./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/isgreater_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_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isgreater_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/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 3ca0c06db0d548ad5f9400cf668a12fc2563c23d ................................................................................................................................................................................ 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_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isgreater_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/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 3ca0c06db0d548ad5f9400cf668a12fc2563c23d ................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:22:49,491 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:22:49,493 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:22:49,504 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:22:49,504 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:22:49,505 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:22:49,506 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:22:49,508 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:22:49,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:22:49,510 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:22:49,511 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:22:49,511 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:22:49,512 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:22:49,513 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:22:49,514 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:22:49,515 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:22:49,516 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:22:49,517 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:22:49,519 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:22:49,521 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:22:49,522 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:22:49,523 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:22:49,525 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:22:49,525 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:22:49,525 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:22:49,526 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:22:49,527 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:22:49,528 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:22:49,529 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:22:49,530 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:22:49,530 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:22:49,531 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:22:49,531 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:22:49,531 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:22:49,532 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:22:49,533 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:22:49,533 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:22:49,545 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:22:49,546 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:22:49,546 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:22:49,547 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:22:49,547 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:22:49,547 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:22:49,547 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:22:49,547 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:22:49,548 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:22:49,548 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:22:49,548 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:22:49,549 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:22:49,549 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:22:49,549 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:22:49,549 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:22:49,549 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:22:49,549 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:22:49,550 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:22:49,550 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:22:49,550 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:22:49,550 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:22:49,550 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:22:49,551 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:22:49,551 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:22:49,551 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:22:49,551 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:22:49,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:22:49,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:22:49,552 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:22:49,552 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:22:49,552 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:22:49,552 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:22:49,552 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:22:49,553 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:22:49,553 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_5c3a32af-9c82-42c7-8565-1dacf9a78786/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 -> 3ca0c06db0d548ad5f9400cf668a12fc2563c23d [2018-10-26 21:22:49,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:22:49,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:22:49,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:22:49,601 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:22:49,601 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:22:49,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/isgreater_true-unreach-call.i [2018-10-26 21:22:49,658 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/data/36f99a5ed/6b983f9a612f4ce092a35e82531a28d6/FLAGaf97bf25a [2018-10-26 21:22:50,126 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:22:50,127 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/sv-benchmarks/c/floats-esbmc-regression/isgreater_true-unreach-call.i [2018-10-26 21:22:50,142 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/data/36f99a5ed/6b983f9a612f4ce092a35e82531a28d6/FLAGaf97bf25a [2018-10-26 21:22:50,154 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/data/36f99a5ed/6b983f9a612f4ce092a35e82531a28d6 [2018-10-26 21:22:50,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:22:50,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:22:50,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:22:50,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:22:50,164 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:22:50,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:22:50" (1/1) ... [2018-10-26 21:22:50,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7acd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:50, skipping insertion in model container [2018-10-26 21:22:50,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:22:50" (1/1) ... [2018-10-26 21:22:50,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:22:50,223 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:22:50,751 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:827) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$40(StandardFunctionHandler.java:296) 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: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.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:113) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:1139) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$43(StandardFunctionHandler.java:299) 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.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:113) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:647) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:488) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1356) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1300) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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) [2018-10-26 21:22:50,755 INFO L168 Benchmark]: Toolchain (without parser) took 597.08 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 939.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:50,760 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:22:50,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.20 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 939.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:50,762 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 594.20 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 939.7 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: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:827) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:22:52,805 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:22:52,808 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:22:52,824 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:22:52,825 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:22:52,827 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:22:52,828 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:22:52,829 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:22:52,831 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:22:52,832 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:22:52,833 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:22:52,833 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:22:52,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:22:52,835 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:22:52,836 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:22:52,837 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:22:52,838 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:22:52,840 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:22:52,842 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:22:52,843 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:22:52,844 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:22:52,846 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:22:52,848 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:22:52,849 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:22:52,849 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:22:52,850 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:22:52,851 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:22:52,852 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:22:52,853 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:22:52,854 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:22:52,854 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:22:52,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:22:52,856 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:22:52,856 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:22:52,857 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:22:52,858 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:22:52,858 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 21:22:52,873 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:22:52,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:22:52,874 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:22:52,874 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:22:52,874 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:22:52,875 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:22:52,875 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:22:52,875 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:22:52,877 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:22:52,877 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:22:52,877 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:22:52,877 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:22:52,877 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:22:52,878 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:22:52,878 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:22:52,878 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:22:52,878 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:22:52,878 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:22:52,879 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:22:52,879 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:22:52,879 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:22:52,879 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:22:52,881 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:22:52,881 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:22:52,881 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:22:52,882 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:22:52,882 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:22:52,882 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:22:52,882 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:22:52,882 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:22:52,883 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:22:52,883 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:22:52,883 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_5c3a32af-9c82-42c7-8565-1dacf9a78786/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 -> 3ca0c06db0d548ad5f9400cf668a12fc2563c23d [2018-10-26 21:22:52,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:22:52,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:22:52,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:22:52,947 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:22:52,947 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:22:52,948 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/isgreater_true-unreach-call.i [2018-10-26 21:22:53,007 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/data/182680aa1/0728830fbd044d4a96fa4ebae3c72d56/FLAG752f75fd2 [2018-10-26 21:22:53,464 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:22:53,465 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/sv-benchmarks/c/floats-esbmc-regression/isgreater_true-unreach-call.i [2018-10-26 21:22:53,482 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/data/182680aa1/0728830fbd044d4a96fa4ebae3c72d56/FLAG752f75fd2 [2018-10-26 21:22:53,502 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/data/182680aa1/0728830fbd044d4a96fa4ebae3c72d56 [2018-10-26 21:22:53,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:22:53,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:22:53,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:22:53,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:22:53,512 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:22:53,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:22:53" (1/1) ... [2018-10-26 21:22:53,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bdb3633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:53, skipping insertion in model container [2018-10-26 21:22:53,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:22:53" (1/1) ... [2018-10-26 21:22:53,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:22:53,579 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:22:54,203 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:22:54,209 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:22:54,237 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:22:54,605 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:22:54,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:54 WrapperNode [2018-10-26 21:22:54,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:22:54,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:22:54,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:22:54,607 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:22:54,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:54" (1/1) ... [2018-10-26 21:22:54,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:54" (1/1) ... [2018-10-26 21:22:54,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:22:54,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:22:54,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:22:54,666 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:22:54,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:54" (1/1) ... [2018-10-26 21:22:54,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:54" (1/1) ... [2018-10-26 21:22:54,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:54" (1/1) ... [2018-10-26 21:22:54,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:54" (1/1) ... [2018-10-26 21:22:54,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:54" (1/1) ... [2018-10-26 21:22:54,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:54" (1/1) ... [2018-10-26 21:22:54,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:54" (1/1) ... [2018-10-26 21:22:54,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:22:54,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:22:54,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:22:54,691 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:22:54,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/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 [2018-10-26 21:22:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 21:22:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 21:22:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:22:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:22:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:22:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:22:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:22:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:22:55,009 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:22:55,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:22:55 BoogieIcfgContainer [2018-10-26 21:22:55,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:22:55,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:22:55,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:22:55,023 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:22:55,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:22:53" (1/3) ... [2018-10-26 21:22:55,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8c1896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:22:55, skipping insertion in model container [2018-10-26 21:22:55,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:54" (2/3) ... [2018-10-26 21:22:55,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8c1896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:22:55, skipping insertion in model container [2018-10-26 21:22:55,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:22:55" (3/3) ... [2018-10-26 21:22:55,038 INFO L112 eAbstractionObserver]: Analyzing ICFG isgreater_true-unreach-call.i [2018-10-26 21:22:55,061 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:22:55,069 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:22:55,104 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:22:55,167 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:22:55,171 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:22:55,171 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:22:55,171 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:22:55,171 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:22:55,172 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:22:55,172 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:22:55,172 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:22:55,173 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:22:55,195 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-10-26 21:22:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 21:22:55,204 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:22:55,205 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:22:55,207 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:22:55,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:22:55,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1083661312, now seen corresponding path program 1 times [2018-10-26 21:22:55,230 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 21:22:55,231 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/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 [2018-10-26 21:22:55,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:22:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:55,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:22:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:55,456 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 21:22:55,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:22:55,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:22:55,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:22:55,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:22:55,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:22:55,483 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2018-10-26 21:22:55,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:22:55,613 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2018-10-26 21:22:55,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:22:55,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-26 21:22:55,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:22:55,623 INFO L225 Difference]: With dead ends: 31 [2018-10-26 21:22:55,624 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 21:22:55,627 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:22:55,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 21:22:55,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 21:22:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 21:22:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 21:22:55,657 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-10-26 21:22:55,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:22:55,657 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 21:22:55,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:22:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 21:22:55,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:22:55,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 21:22:55,732 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-26 21:22:55,732 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:22:55,732 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:22:55,732 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 21:22:55,733 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 21:22:55,733 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:22:55,733 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 869 877) the Hoare annotation is: true [2018-10-26 21:22:55,733 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 869 877) no Hoare annotation was computed. [2018-10-26 21:22:55,733 INFO L425 ceAbstractionStarter]: For program point L874(line 874) no Hoare annotation was computed. [2018-10-26 21:22:55,733 INFO L428 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: true [2018-10-26 21:22:55,734 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 869 877) no Hoare annotation was computed. [2018-10-26 21:22:55,734 INFO L428 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-10-26 21:22:55,734 INFO L428 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: true [2018-10-26 21:22:55,734 INFO L425 ceAbstractionStarter]: For program point L867-3(line 867) no Hoare annotation was computed. [2018-10-26 21:22:55,734 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 867) the Hoare annotation is: true [2018-10-26 21:22:55,735 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2018-10-26 21:22:55,735 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 867) no Hoare annotation was computed. [2018-10-26 21:22:55,735 INFO L425 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-10-26 21:22:55,735 INFO L425 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2018-10-26 21:22:55,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:22:55 BoogieIcfgContainer [2018-10-26 21:22:55,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:22:55,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:22:55,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:22:55,742 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:22:55,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:22:55" (3/4) ... [2018-10-26 21:22:55,748 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:22:55,756 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 21:22:55,756 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 21:22:55,757 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-26 21:22:55,762 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 21:22:55,762 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 21:22:55,762 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 21:22:55,804 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c3a32af-9c82-42c7-8565-1dacf9a78786/bin-2019/utaipan/witness.graphml [2018-10-26 21:22:55,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:22:55,805 INFO L168 Benchmark]: Toolchain (without parser) took 2299.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:22:55,806 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-10-26 21:22:55,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1099.66 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 829.8 MB in the end (delta: 119.5 MB). Peak memory consumption was 119.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:55,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.40 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. [2018-10-26 21:22:55,809 INFO L168 Benchmark]: Boogie Preprocessor took 24.48 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. [2018-10-26 21:22:55,809 INFO L168 Benchmark]: RCFGBuilder took 320.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 824.4 MB in the beginning and 1.1 GB in the end (delta: -295.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:55,810 INFO L168 Benchmark]: TraceAbstraction took 729.54 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:55,811 INFO L168 Benchmark]: Witness Printer took 62.77 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. [2018-10-26 21:22:55,815 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1099.66 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 829.8 MB in the end (delta: 119.5 MB). Peak memory consumption was 119.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.40 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 24.48 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 320.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 824.4 MB in the beginning and 1.1 GB in the end (delta: -295.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 729.54 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Witness Printer took 62.77 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 5 SDslu, 20 SDs, 0 SdLazy, 14 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 8 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 8 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 2 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 3 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...