./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/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 6e26e7af47553678bb6b29863e9db124dbc3ba0b ............................................................................................................................................................................... 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_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/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 6e26e7af47553678bb6b29863e9db124dbc3ba0b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:47:30,481 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:47:30,483 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:47:30,489 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:47:30,489 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:47:30,490 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:47:30,491 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:47:30,492 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:47:30,493 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:47:30,493 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:47:30,494 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:47:30,494 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:47:30,495 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:47:30,495 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:47:30,496 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:47:30,496 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:47:30,497 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:47:30,498 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:47:30,499 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:47:30,500 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:47:30,501 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:47:30,501 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:47:30,502 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:47:30,502 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:47:30,502 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:47:30,503 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:47:30,504 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:47:30,504 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:47:30,504 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:47:30,505 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:47:30,505 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:47:30,506 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:47:30,506 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:47:30,506 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:47:30,507 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:47:30,507 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:47:30,508 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 15:47:30,517 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:47:30,518 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:47:30,518 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:47:30,518 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:47:30,519 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:47:30,519 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:47:30,519 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:47:30,519 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 15:47:30,519 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:47:30,519 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:47:30,519 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 15:47:30,520 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 15:47:30,520 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:47:30,520 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:47:30,520 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:47:30,520 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:47:30,521 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:47:30,521 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:47:30,521 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:47:30,521 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:47:30,521 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:47:30,521 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:47:30,521 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:47:30,521 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:47:30,522 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:47:30,522 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:47:30,522 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:47:30,522 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:47:30,522 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:47:30,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:47:30,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:47:30,523 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:47:30,523 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:47:30,523 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 15:47:30,523 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:47:30,523 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:47:30,523 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 15:47:30,523 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_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/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 -> 6e26e7af47553678bb6b29863e9db124dbc3ba0b [2018-11-23 15:47:30,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:47:30,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:47:30,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:47:30,560 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:47:30,560 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:47:30,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i [2018-11-23 15:47:30,603 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/data/9b68e4dc6/1611678e56c449c9a313598e04a34f37/FLAGef4fad288 [2018-11-23 15:47:30,980 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:47:30,980 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i [2018-11-23 15:47:30,990 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/data/9b68e4dc6/1611678e56c449c9a313598e04a34f37/FLAGef4fad288 [2018-11-23 15:47:31,360 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/data/9b68e4dc6/1611678e56c449c9a313598e04a34f37 [2018-11-23 15:47:31,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:47:31,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:47:31,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:47:31,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:47:31,366 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:47:31,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:31" (1/1) ... [2018-11-23 15:47:31,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5111b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:31, skipping insertion in model container [2018-11-23 15:47:31,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:31" (1/1) ... [2018-11-23 15:47:31,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:47:31,412 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:47:31,766 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1310) 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:997) 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:2281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2281) 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:1298) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1310) 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:1261) 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:962) 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:1332) 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:3436) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:538) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 15:47:31,769 INFO L168 Benchmark]: Toolchain (without parser) took 407.31 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 945.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:47:31,771 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:47:31,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.75 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 945.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:47:31,773 INFO L336 ainManager$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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 405.75 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 945.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:836) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 15:47:32,988 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:47:32,989 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:47:32,998 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:47:32,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:47:32,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:47:33,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:47:33,002 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:47:33,003 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:47:33,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:47:33,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:47:33,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:47:33,005 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:47:33,006 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:47:33,007 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:47:33,007 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:47:33,008 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:47:33,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:47:33,011 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:47:33,012 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:47:33,012 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:47:33,013 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:47:33,015 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:47:33,015 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:47:33,015 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:47:33,016 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:47:33,017 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:47:33,017 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:47:33,018 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:47:33,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:47:33,019 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:47:33,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:47:33,019 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:47:33,019 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:47:33,020 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:47:33,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:47:33,021 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 15:47:33,031 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:47:33,031 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:47:33,032 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:47:33,032 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:47:33,032 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:47:33,032 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:47:33,032 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:47:33,032 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:47:33,033 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:47:33,033 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:47:33,033 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:47:33,033 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:47:33,033 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:47:33,034 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:47:33,034 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:47:33,034 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:47:33,034 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:47:33,034 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 15:47:33,034 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 15:47:33,034 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:47:33,035 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:47:33,035 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:47:33,035 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:47:33,035 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:47:33,035 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:47:33,035 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:47:33,035 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:47:33,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:47:33,036 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:47:33,036 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:47:33,036 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:47:33,036 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 15:47:33,036 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:47:33,036 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 15:47:33,037 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 15:47:33,037 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_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/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 -> 6e26e7af47553678bb6b29863e9db124dbc3ba0b [2018-11-23 15:47:33,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:47:33,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:47:33,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:47:33,086 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:47:33,086 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:47:33,087 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i [2018-11-23 15:47:33,134 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/data/904a1c0f0/4341d61d0e854727b6a04703b5fdd912/FLAG651224c70 [2018-11-23 15:47:33,516 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:47:33,516 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2_true-unreach-call.i [2018-11-23 15:47:33,525 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/data/904a1c0f0/4341d61d0e854727b6a04703b5fdd912/FLAG651224c70 [2018-11-23 15:47:33,533 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/data/904a1c0f0/4341d61d0e854727b6a04703b5fdd912 [2018-11-23 15:47:33,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:47:33,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:47:33,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:47:33,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:47:33,538 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:47:33,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:33" (1/1) ... [2018-11-23 15:47:33,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b065b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33, skipping insertion in model container [2018-11-23 15:47:33,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:33" (1/1) ... [2018-11-23 15:47:33,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:47:33,583 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:47:33,985 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:47:33,988 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:47:34,021 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:47:34,183 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:47:34,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34 WrapperNode [2018-11-23 15:47:34,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:47:34,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:47:34,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:47:34,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:47:34,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2018-11-23 15:47:34,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2018-11-23 15:47:34,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:47:34,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:47:34,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:47:34,255 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:47:34,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2018-11-23 15:47:34,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2018-11-23 15:47:34,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2018-11-23 15:47:34,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2018-11-23 15:47:34,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2018-11-23 15:47:34,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2018-11-23 15:47:34,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2018-11-23 15:47:34,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:47:34,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:47:34,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:47:34,280 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:47:34,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/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 [2018-11-23 15:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:47:35,615 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:47:35,616 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 15:47:35,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:35 BoogieIcfgContainer [2018-11-23 15:47:35,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:47:35,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:47:35,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:47:35,618 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:47:35,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:47:33" (1/3) ... [2018-11-23 15:47:35,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75205e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:47:35, skipping insertion in model container [2018-11-23 15:47:35,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (2/3) ... [2018-11-23 15:47:35,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75205e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:47:35, skipping insertion in model container [2018-11-23 15:47:35,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:35" (3/3) ... [2018-11-23 15:47:35,620 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp2_true-unreach-call.i [2018-11-23 15:47:35,626 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:47:35,630 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-11-23 15:47:35,639 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-11-23 15:47:35,659 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:47:35,660 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:47:35,660 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:47:35,660 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:47:35,660 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:47:35,660 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:47:35,660 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:47:35,660 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:47:35,660 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:47:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-11-23 15:47:35,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 15:47:35,677 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:47:35,677 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:47:35,679 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:47:35,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:47:35,682 INFO L82 PathProgramCache]: Analyzing trace with hash 957148393, now seen corresponding path program 1 times [2018-11-23 15:47:35,684 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:47:35,684 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/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 [2018-11-23 15:47:35,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:47:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:47:35,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:47:35,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:47:35,739 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:47:35,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:47:35,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:47:35,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 15:47:35,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 15:47:35,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:47:35,765 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-11-23 15:47:35,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:47:35,781 INFO L93 Difference]: Finished difference Result 168 states and 237 transitions. [2018-11-23 15:47:35,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 15:47:35,782 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2018-11-23 15:47:35,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:47:35,787 INFO L225 Difference]: With dead ends: 168 [2018-11-23 15:47:35,787 INFO L226 Difference]: Without dead ends: 36 [2018-11-23 15:47:35,790 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:47:35,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-23 15:47:35,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-11-23 15:47:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-11-23 15:47:35,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 35 transitions. [2018-11-23 15:47:35,812 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 35 transitions. Word has length 7 [2018-11-23 15:47:35,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:47:35,813 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 35 transitions. [2018-11-23 15:47:35,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 15:47:35,813 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 35 transitions. [2018-11-23 15:47:35,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 15:47:35,813 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:47:35,813 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:47:35,814 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:47:35,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:47:35,814 INFO L82 PathProgramCache]: Analyzing trace with hash -393166812, now seen corresponding path program 1 times [2018-11-23 15:47:35,815 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:47:35,815 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-23 15:47:35,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:47:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:47:36,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:47:37,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:47:37,002 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:47:37,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:47:37,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:47:37,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:47:37,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:47:37,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:47:37,012 INFO L87 Difference]: Start difference. First operand 36 states and 35 transitions. Second operand 3 states. [2018-11-23 15:47:41,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:47:41,152 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2018-11-23 15:47:41,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:47:41,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-23 15:47:41,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:47:41,168 INFO L225 Difference]: With dead ends: 36 [2018-11-23 15:47:41,168 INFO L226 Difference]: Without dead ends: 28 [2018-11-23 15:47:41,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:47:41,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-23 15:47:41,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-23 15:47:41,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-23 15:47:41,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2018-11-23 15:47:41,172 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 8 [2018-11-23 15:47:41,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:47:41,172 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2018-11-23 15:47:41,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:47:41,172 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2018-11-23 15:47:41,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 15:47:41,173 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:47:41,173 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:47:41,174 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:47:41,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:47:41,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1204022951, now seen corresponding path program 1 times [2018-11-23 15:47:41,175 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:47:41,175 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-23 15:47:41,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:47:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:47:42,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:47:48,762 WARN L832 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) main_~f~0)))) is different from false [2018-11-23 15:47:50,769 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) main_~f~0)))) is different from true [2018-11-23 15:47:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:47:50,771 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:47:50,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:47:50,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:47:50,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:47:50,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:47:50,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=6, Unknown=2, NotChecked=4, Total=20 [2018-11-23 15:47:50,786 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 5 states. [2018-11-23 15:47:54,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:47:54,916 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2018-11-23 15:47:54,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:47:54,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-11-23 15:47:54,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:47:54,933 INFO L225 Difference]: With dead ends: 28 [2018-11-23 15:47:54,933 INFO L226 Difference]: Without dead ends: 26 [2018-11-23 15:47:54,934 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=8, Invalid=6, Unknown=2, NotChecked=4, Total=20 [2018-11-23 15:47:54,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-23 15:47:54,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-11-23 15:47:54,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-23 15:47:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2018-11-23 15:47:54,936 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 19 [2018-11-23 15:47:54,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:47:54,937 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2018-11-23 15:47:54,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:47:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-11-23 15:47:54,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 15:47:54,937 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:47:54,938 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:47:54,938 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:47:54,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:47:54,939 INFO L82 PathProgramCache]: Analyzing trace with hash 133869457, now seen corresponding path program 1 times [2018-11-23 15:47:54,939 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:47:54,939 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-23 15:47:54,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:47:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:47:56,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:03,096 WARN L832 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) main_~f~0)))) is different from false [2018-11-23 15:48:05,118 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) main_~f~0)))) is different from true [2018-11-23 15:48:05,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:05,121 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:48:05,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:05,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:48:05,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:48:05,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:48:05,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=6, Unknown=2, NotChecked=4, Total=20 [2018-11-23 15:48:05,141 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand 5 states. [2018-11-23 15:48:07,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:07,422 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-11-23 15:48:07,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:48:07,441 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-11-23 15:48:07,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:07,442 INFO L225 Difference]: With dead ends: 26 [2018-11-23 15:48:07,442 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:48:07,442 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=8, Invalid=6, Unknown=2, NotChecked=4, Total=20 [2018-11-23 15:48:07,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:48:07,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:48:07,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:48:07,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:48:07,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-23 15:48:07,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:07,443 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:48:07,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:48:07,443 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:48:07,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:48:07,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:48:07,471 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 15:48:07,471 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:48:07,471 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:48:07,472 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 15:48:07,472 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:48:07,472 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:48:07,472 INFO L448 ceAbstractionStarter]: For program point L993(line 993) no Hoare annotation was computed. [2018-11-23 15:48:07,472 INFO L448 ceAbstractionStarter]: For program point L993-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,472 INFO L448 ceAbstractionStarter]: For program point mainErr25ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2018-11-23 15:48:07,472 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 952 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,472 INFO L448 ceAbstractionStarter]: For program point L1010(line 1010) no Hoare annotation was computed. [2018-11-23 15:48:07,472 INFO L448 ceAbstractionStarter]: For program point L977(line 977) no Hoare annotation was computed. [2018-11-23 15:48:07,472 INFO L448 ceAbstractionStarter]: For program point L1010-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,472 INFO L448 ceAbstractionStarter]: For program point L977-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,472 INFO L448 ceAbstractionStarter]: For program point L994(line 994) no Hoare annotation was computed. [2018-11-23 15:48:07,472 INFO L448 ceAbstractionStarter]: For program point L994-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,472 INFO L448 ceAbstractionStarter]: For program point L1011(line 1011) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point L1011-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point L978-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point L995(line 995) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point L962(line 962) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point L962-1(line 962) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point L995-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point L962-3(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point L1012(line 1012) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point L1012-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point mainErr20ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2018-11-23 15:48:07,473 INFO L448 ceAbstractionStarter]: For program point L963(line 963) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point L963-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point mainErr19ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point L1013(line 1013) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point L1013-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point mainErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1014) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point L1014(line 1014) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point L981(line 981) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point L1014-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point L981-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point mainErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1016) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 981) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point mainErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1010) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point L998(line 998) no Hoare annotation was computed. [2018-11-23 15:48:07,474 INFO L448 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-11-23 15:48:07,475 INFO L448 ceAbstractionStarter]: For program point L998-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,475 INFO L448 ceAbstractionStarter]: For program point L965-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,475 INFO L448 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 991) no Hoare annotation was computed. [2018-11-23 15:48:07,475 INFO L448 ceAbstractionStarter]: For program point L1015(line 1015) no Hoare annotation was computed. [2018-11-23 15:48:07,475 INFO L448 ceAbstractionStarter]: For program point L982(line 982) no Hoare annotation was computed. [2018-11-23 15:48:07,475 INFO L448 ceAbstractionStarter]: For program point L1015-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,475 INFO L448 ceAbstractionStarter]: For program point L982-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,475 INFO L448 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2018-11-23 15:48:07,475 INFO L448 ceAbstractionStarter]: For program point L999(line 999) no Hoare annotation was computed. [2018-11-23 15:48:07,475 INFO L448 ceAbstractionStarter]: For program point L999-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,475 INFO L448 ceAbstractionStarter]: For program point mainErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2018-11-23 15:48:07,475 INFO L448 ceAbstractionStarter]: For program point L1016(line 1016) no Hoare annotation was computed. [2018-11-23 15:48:07,476 INFO L448 ceAbstractionStarter]: For program point L983(line 983) no Hoare annotation was computed. [2018-11-23 15:48:07,476 INFO L448 ceAbstractionStarter]: For program point L1016-2(lines 952 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,476 INFO L448 ceAbstractionStarter]: For program point L983-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,476 INFO L448 ceAbstractionStarter]: For program point L1000(line 1000) no Hoare annotation was computed. [2018-11-23 15:48:07,476 INFO L448 ceAbstractionStarter]: For program point L1000-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,476 INFO L448 ceAbstractionStarter]: For program point L984(line 984) no Hoare annotation was computed. [2018-11-23 15:48:07,476 INFO L448 ceAbstractionStarter]: For program point L984-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,476 INFO L448 ceAbstractionStarter]: For program point L1001(line 1001) no Hoare annotation was computed. [2018-11-23 15:48:07,476 INFO L448 ceAbstractionStarter]: For program point L1001-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,476 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2018-11-23 15:48:07,477 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2018-11-23 15:48:07,477 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2018-11-23 15:48:07,477 INFO L448 ceAbstractionStarter]: For program point L985(line 985) no Hoare annotation was computed. [2018-11-23 15:48:07,477 INFO L448 ceAbstractionStarter]: For program point L985-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,477 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2018-11-23 15:48:07,477 INFO L448 ceAbstractionStarter]: For program point L1002(line 1002) no Hoare annotation was computed. [2018-11-23 15:48:07,477 INFO L448 ceAbstractionStarter]: For program point L969(line 969) no Hoare annotation was computed. [2018-11-23 15:48:07,477 INFO L448 ceAbstractionStarter]: For program point L1002-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,477 INFO L448 ceAbstractionStarter]: For program point L969-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,477 INFO L448 ceAbstractionStarter]: For program point mainErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1013) no Hoare annotation was computed. [2018-11-23 15:48:07,478 INFO L448 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2018-11-23 15:48:07,478 INFO L448 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-11-23 15:48:07,478 INFO L448 ceAbstractionStarter]: For program point L1003(line 1003) no Hoare annotation was computed. [2018-11-23 15:48:07,478 INFO L448 ceAbstractionStarter]: For program point L1003-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,478 INFO L448 ceAbstractionStarter]: For program point mainErr28ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2018-11-23 15:48:07,478 INFO L448 ceAbstractionStarter]: For program point mainErr21ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2018-11-23 15:48:07,478 INFO L448 ceAbstractionStarter]: For program point L1004(line 1004) no Hoare annotation was computed. [2018-11-23 15:48:07,478 INFO L448 ceAbstractionStarter]: For program point L1004-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,478 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2018-11-23 15:48:07,479 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 982) no Hoare annotation was computed. [2018-11-23 15:48:07,479 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 952 1017) the Hoare annotation is: true [2018-11-23 15:48:07,479 INFO L448 ceAbstractionStarter]: For program point mainErr24ASSERT_VIOLATIONERROR_FUNCTION(line 1003) no Hoare annotation was computed. [2018-11-23 15:48:07,479 INFO L448 ceAbstractionStarter]: For program point L1005(line 1005) no Hoare annotation was computed. [2018-11-23 15:48:07,479 INFO L448 ceAbstractionStarter]: For program point L972(line 972) no Hoare annotation was computed. [2018-11-23 15:48:07,479 INFO L448 ceAbstractionStarter]: For program point L1005-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,479 INFO L448 ceAbstractionStarter]: For program point L972-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,479 INFO L448 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2018-11-23 15:48:07,479 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 965) no Hoare annotation was computed. [2018-11-23 15:48:07,479 INFO L448 ceAbstractionStarter]: For program point L990(line 990) no Hoare annotation was computed. [2018-11-23 15:48:07,479 INFO L448 ceAbstractionStarter]: For program point L990-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,480 INFO L448 ceAbstractionStarter]: For program point mainErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2018-11-23 15:48:07,480 INFO L448 ceAbstractionStarter]: For program point mainErr22ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2018-11-23 15:48:07,480 INFO L448 ceAbstractionStarter]: For program point L991(line 991) no Hoare annotation was computed. [2018-11-23 15:48:07,480 INFO L448 ceAbstractionStarter]: For program point L991-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,480 INFO L448 ceAbstractionStarter]: For program point mainErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2018-11-23 15:48:07,480 INFO L448 ceAbstractionStarter]: For program point mainErr23ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-11-23 15:48:07,480 INFO L448 ceAbstractionStarter]: For program point L1008(line 1008) no Hoare annotation was computed. [2018-11-23 15:48:07,480 INFO L448 ceAbstractionStarter]: For program point L1008-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,480 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 972) no Hoare annotation was computed. [2018-11-23 15:48:07,481 INFO L448 ceAbstractionStarter]: For program point mainErr27ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2018-11-23 15:48:07,481 INFO L448 ceAbstractionStarter]: For program point L992(line 992) no Hoare annotation was computed. [2018-11-23 15:48:07,481 INFO L448 ceAbstractionStarter]: For program point L992-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,481 INFO L448 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2018-11-23 15:48:07,481 INFO L448 ceAbstractionStarter]: For program point mainErr18ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2018-11-23 15:48:07,481 INFO L448 ceAbstractionStarter]: For program point L1009(line 1009) no Hoare annotation was computed. [2018-11-23 15:48:07,481 INFO L448 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2018-11-23 15:48:07,481 INFO L448 ceAbstractionStarter]: For program point L1009-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,481 INFO L448 ceAbstractionStarter]: For program point L976-2(lines 953 1017) no Hoare annotation was computed. [2018-11-23 15:48:07,481 INFO L448 ceAbstractionStarter]: For program point mainErr26ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2018-11-23 15:48:07,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:48:07 BoogieIcfgContainer [2018-11-23 15:48:07,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:48:07,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:48:07,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:48:07,484 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:48:07,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:35" (3/4) ... [2018-11-23 15:48:07,488 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:48:07,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:48:07,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:48:07,495 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 15:48:07,495 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 15:48:07,495 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:48:07,535 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dbbb09e2-0105-4fbc-b298-7c870a4ae6ae/bin-2019/utaipan/witness.graphml [2018-11-23 15:48:07,535 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:48:07,536 INFO L168 Benchmark]: Toolchain (without parser) took 34000.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -70.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:48:07,537 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-23 15:48:07,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.34 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 826.2 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:48:07,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 826.2 MB in the beginning and 1.1 GB in the end (delta: -301.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:48:07,537 INFO L168 Benchmark]: Boogie Preprocessor took 24.18 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. [2018-11-23 15:48:07,538 INFO L168 Benchmark]: RCFGBuilder took 1336.38 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:48:07,538 INFO L168 Benchmark]: TraceAbstraction took 31867.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:48:07,538 INFO L168 Benchmark]: Witness Printer took 51.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:48:07,540 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 647.34 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 826.2 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 826.2 MB in the beginning and 1.1 GB in the end (delta: -301.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1336.38 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31867.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. * Witness Printer took 51.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 984]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1005]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 982]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1001]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 998]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1010]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1013]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 978]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1000]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 972]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 993]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 981]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1008]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 991]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1004]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1003]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1011]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1009]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 977]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 995]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1002]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 990]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1014]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 985]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 992]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1015]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 962]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 999]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1016]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 963]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 965]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1012]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 36 error locations. SAFE Result, 31.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 10.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 113 SDtfs, 54 SDslu, 20 SDs, 0 SdLazy, 15 SolverSat, 6 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred 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, 4 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, 4.6s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 55 ConstructedInterpolants, 2 QuantifiedInterpolants, 6607 SizeOfPredicates, 4 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...