./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/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 b40554704e1a1d546b5e4595d3df0dfa2abf21e3 ................................................................................................................................................................................ 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_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/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 b40554704e1a1d546b5e4595d3df0dfa2abf21e3 .................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:22:55,329 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:22:55,330 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:22:55,338 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:22:55,338 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:22:55,339 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:22:55,339 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:22:55,341 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:22:55,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:22:55,343 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:22:55,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:22:55,344 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:22:55,345 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:22:55,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:22:55,346 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:22:55,347 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:22:55,347 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:22:55,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:22:55,351 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:22:55,352 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:22:55,353 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:22:55,354 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:22:55,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:22:55,356 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:22:55,356 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:22:55,357 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:22:55,358 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:22:55,359 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:22:55,359 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:22:55,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:22:55,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:22:55,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:22:55,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:22:55,361 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:22:55,362 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:22:55,362 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:22:55,362 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:22:55,374 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:22:55,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:22:55,375 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:22:55,375 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:22:55,375 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:22:55,375 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:22:55,375 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:22:55,375 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:22:55,375 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:22:55,376 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:22:55,376 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:22:55,376 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:22:55,377 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:22:55,378 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:22:55,378 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:22:55,378 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:22:55,378 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:22:55,378 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:22:55,378 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:22:55,378 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:22:55,379 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:22:55,379 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:22:55,379 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:22:55,379 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:22:55,379 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:22:55,379 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:22:55,379 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:22:55,380 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:22:55,380 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:22:55,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:22:55,380 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:22:55,380 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:22:55,380 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:22:55,380 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:22:55,380 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:22:55,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:22:55,381 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:22:55,381 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_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/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 -> b40554704e1a1d546b5e4595d3df0dfa2abf21e3 [2018-11-18 15:22:55,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:22:55,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:22:55,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:22:55,421 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:22:55,421 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:22:55,422 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i [2018-11-18 15:22:55,473 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/data/825d0970d/c0535fea58c24dddb210e213744344db/FLAGa656e8e4f [2018-11-18 15:22:55,884 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:22:55,884 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i [2018-11-18 15:22:55,893 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/data/825d0970d/c0535fea58c24dddb210e213744344db/FLAGa656e8e4f [2018-11-18 15:22:55,905 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/data/825d0970d/c0535fea58c24dddb210e213744344db [2018-11-18 15:22:55,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:22:55,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:22:55,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:22:55,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:22:55,913 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:22:55,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:22:55" (1/1) ... [2018-11-18 15:22:55,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65507dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:55, skipping insertion in model container [2018-11-18 15:22:55,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:22:55" (1/1) ... [2018-11-18 15:22:55,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:22:55,965 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:22:56,353 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: finite 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:1298) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1302) 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:994) 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:2129) 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.handleVerifierAssume(StandardFunctionHandler.java:1270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1302) 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:1253) 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:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1324) 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:3277) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2079) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:535) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 15:22:56,359 INFO L168 Benchmark]: Toolchain (without parser) took 450.64 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:22:56,363 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:22:56,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.57 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:22:56,366 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 448.57 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 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: floating point operation not supported in non-bitprecise translation: finite de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: finite: 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 0.1.23-5842f4b [2018-11-18 15:22:57,857 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:22:57,861 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:22:57,871 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:22:57,871 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:22:57,872 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:22:57,873 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:22:57,874 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:22:57,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:22:57,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:22:57,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:22:57,877 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:22:57,877 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:22:57,878 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:22:57,879 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:22:57,879 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:22:57,881 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:22:57,882 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:22:57,884 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:22:57,885 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:22:57,886 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:22:57,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:22:57,889 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:22:57,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:22:57,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:22:57,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:22:57,890 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:22:57,891 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:22:57,891 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:22:57,893 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:22:57,893 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:22:57,894 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:22:57,894 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:22:57,894 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:22:57,895 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:22:57,895 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:22:57,895 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 15:22:57,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:22:57,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:22:57,907 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:22:57,908 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:22:57,908 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:22:57,908 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:22:57,909 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:22:57,909 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:22:57,909 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:22:57,909 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:22:57,910 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:22:57,910 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:22:57,910 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:22:57,911 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:22:57,911 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:22:57,911 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:22:57,911 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:22:57,911 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 15:22:57,911 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 15:22:57,911 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:22:57,912 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:22:57,912 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:22:57,912 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:22:57,912 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:22:57,912 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:22:57,912 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:22:57,912 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:22:57,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:22:57,913 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:22:57,913 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:22:57,913 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:22:57,913 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 15:22:57,913 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:22:57,913 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 15:22:57,913 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 15:22:57,913 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_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/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 -> b40554704e1a1d546b5e4595d3df0dfa2abf21e3 [2018-11-18 15:22:57,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:22:57,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:22:57,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:22:57,969 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:22:57,969 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:22:57,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i [2018-11-18 15:22:58,015 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/data/0005256f0/68ecaff93dd941b5927c54a9309cd868/FLAG2ac58a102 [2018-11-18 15:22:58,409 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:22:58,409 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i [2018-11-18 15:22:58,418 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/data/0005256f0/68ecaff93dd941b5927c54a9309cd868/FLAG2ac58a102 [2018-11-18 15:22:58,427 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/data/0005256f0/68ecaff93dd941b5927c54a9309cd868 [2018-11-18 15:22:58,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:22:58,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:22:58,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:22:58,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:22:58,433 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:22:58,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:22:58" (1/1) ... [2018-11-18 15:22:58,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6e7477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:58, skipping insertion in model container [2018-11-18 15:22:58,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:22:58" (1/1) ... [2018-11-18 15:22:58,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:22:58,480 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:22:58,934 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:22:58,938 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:22:58,965 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:22:59,180 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:22:59,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:59 WrapperNode [2018-11-18 15:22:59,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:22:59,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:22:59,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:22:59,182 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:22:59,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:59" (1/1) ... [2018-11-18 15:22:59,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:59" (1/1) ... [2018-11-18 15:22:59,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:22:59,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:22:59,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:22:59,222 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:22:59,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:59" (1/1) ... [2018-11-18 15:22:59,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:59" (1/1) ... [2018-11-18 15:22:59,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:59" (1/1) ... [2018-11-18 15:22:59,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:59" (1/1) ... [2018-11-18 15:22:59,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:59" (1/1) ... [2018-11-18 15:22:59,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:59" (1/1) ... [2018-11-18 15:22:59,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:59" (1/1) ... [2018-11-18 15:22:59,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:22:59,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:22:59,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:22:59,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:22:59,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/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 [2018-11-18 15:22:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:22:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:22:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:22:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:22:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:22:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:22:59,450 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:22:59,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:22:59 BoogieIcfgContainer [2018-11-18 15:22:59,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:22:59,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:22:59,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:22:59,453 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:22:59,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:22:58" (1/3) ... [2018-11-18 15:22:59,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23174f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:22:59, skipping insertion in model container [2018-11-18 15:22:59,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:59" (2/3) ... [2018-11-18 15:22:59,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23174f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:22:59, skipping insertion in model container [2018-11-18 15:22:59,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:22:59" (3/3) ... [2018-11-18 15:22:59,456 INFO L112 eAbstractionObserver]: Analyzing ICFG float8_true-unreach-call.i [2018-11-18 15:22:59,465 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:22:59,471 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:22:59,484 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:22:59,508 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:22:59,508 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:22:59,509 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:22:59,509 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:22:59,509 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:22:59,509 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:22:59,509 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:22:59,509 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:22:59,509 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:22:59,520 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-18 15:22:59,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 15:22:59,525 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:22:59,526 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:22:59,528 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:22:59,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:22:59,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2018-11-18 15:22:59,535 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:22:59,536 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/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 [2018-11-18 15:22:59,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:23:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:00,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:23:00,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:23:00,165 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:23:00,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:23:00,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:23:00,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:23:00,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:23:00,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:23:00,190 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2018-11-18 15:23:00,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:23:00,213 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-11-18 15:23:00,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:23:00,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-18 15:23:00,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:23:00,220 INFO L225 Difference]: With dead ends: 16 [2018-11-18 15:23:00,220 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:23:00,223 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:23:00,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:23:00,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:23:00,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:23:00,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:23:00,243 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-11-18 15:23:00,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:23:00,244 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:23:00,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:23:00,244 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:23:00,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:23:00,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:23:00,274 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 15:23:00,274 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:23:00,274 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:23:00,274 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 15:23:00,275 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:23:00,275 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:23:00,275 INFO L425 ceAbstractionStarter]: For program point L959(line 959) no Hoare annotation was computed. [2018-11-18 15:23:00,275 INFO L425 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2018-11-18 15:23:00,275 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 952 960) the Hoare annotation is: true [2018-11-18 15:23:00,275 INFO L425 ceAbstractionStarter]: For program point L959-3(lines 952 960) no Hoare annotation was computed. [2018-11-18 15:23:00,275 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2018-11-18 15:23:00,275 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 952 960) no Hoare annotation was computed. [2018-11-18 15:23:00,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:23:00 BoogieIcfgContainer [2018-11-18 15:23:00,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:23:00,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:23:00,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:23:00,278 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:23:00,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:22:59" (3/4) ... [2018-11-18 15:23:00,282 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:23:00,288 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:23:00,288 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:23:00,291 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:23:00,291 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:23:00,291 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 15:23:00,316 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b0e48c0b-7f87-41d4-a41c-d36af50a2ce1/bin-2019/utaipan/witness.graphml [2018-11-18 15:23:00,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:23:00,316 INFO L168 Benchmark]: Toolchain (without parser) took 1886.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -130.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:23:00,317 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-18 15:23:00,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.76 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 836.5 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:23:00,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.88 ms. Allocated memory is still 1.0 GB. Free memory was 836.5 MB in the beginning and 831.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:23:00,318 INFO L168 Benchmark]: Boogie Preprocessor took 73.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 831.1 MB in the beginning and 1.1 GB in the end (delta: -285.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:23:00,319 INFO L168 Benchmark]: RCFGBuilder took 154.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:23:00,319 INFO L168 Benchmark]: TraceAbstraction took 827.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:23:00,319 INFO L168 Benchmark]: Witness Printer took 37.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:23:00,321 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 750.76 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 836.5 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.88 ms. Allocated memory is still 1.0 GB. Free memory was 836.5 MB in the beginning and 831.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 831.1 MB in the beginning and 1.1 GB in the end (delta: -285.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 154.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 827.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Witness Printer took 37.62 ms. Allocated memory is still 1.1 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: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 2 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 3 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...