./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/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 79593329bc8f7511983805b3e0e5d4c7fc3a0674 ............................................................................................................................................................................................................................................. 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_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/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 79593329bc8f7511983805b3e0e5d4c7fc3a0674 ................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:58:25,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:58:25,607 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:58:25,616 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:58:25,617 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:58:25,618 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:58:25,619 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:58:25,620 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:58:25,622 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:58:25,622 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:58:25,623 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:58:25,623 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:58:25,624 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:58:25,625 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:58:25,626 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:58:25,627 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:58:25,628 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:58:25,629 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:58:25,630 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:58:25,631 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:58:25,632 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:58:25,633 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:58:25,635 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:58:25,636 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:58:25,636 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:58:25,636 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:58:25,638 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:58:25,638 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:58:25,639 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:58:25,640 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:58:25,640 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:58:25,641 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:58:25,641 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:58:25,641 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:58:25,643 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:58:25,643 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:58:25,643 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:58:25,654 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:58:25,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:58:25,655 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:58:25,655 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:58:25,655 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:58:25,655 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:58:25,655 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:58:25,655 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:58:25,656 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:58:25,656 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:58:25,656 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:58:25,656 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:58:25,657 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:58:25,657 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:58:25,657 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:58:25,657 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:58:25,657 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:58:25,659 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:58:25,659 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:58:25,659 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:58:25,659 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:58:25,659 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:58:25,659 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:58:25,660 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:58:25,660 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:58:25,660 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:58:25,660 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:58:25,660 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:58:25,660 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:58:25,660 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:58:25,661 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:58:25,661 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:58:25,661 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:58:25,661 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:58:25,661 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_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/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 -> 79593329bc8f7511983805b3e0e5d4c7fc3a0674 [2018-10-26 22:58:25,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:58:25,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:58:25,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:58:25,710 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:58:25,710 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:58:25,711 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i [2018-10-26 22:58:25,765 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/data/a6ac97a50/885b6819547141e28b10a77f1ad0aff5/FLAGaf0a25aa7 [2018-10-26 22:58:26,133 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:58:26,134 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i [2018-10-26 22:58:26,138 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/data/a6ac97a50/885b6819547141e28b10a77f1ad0aff5/FLAGaf0a25aa7 [2018-10-26 22:58:26,149 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/data/a6ac97a50/885b6819547141e28b10a77f1ad0aff5 [2018-10-26 22:58:26,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:58:26,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:58:26,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:58:26,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:58:26,157 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:58:26,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:58:26" (1/1) ... [2018-10-26 22:58:26,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2345cf4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26, skipping insertion in model container [2018-10-26 22:58:26,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:58:26" (1/1) ... [2018-10-26 22:58:26,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:58:26,187 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:58:26,306 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:58:26,309 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:58:26,321 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:58:26,332 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:58:26,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26 WrapperNode [2018-10-26 22:58:26,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:58:26,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:58:26,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:58:26,334 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:58:26,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26" (1/1) ... [2018-10-26 22:58:26,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26" (1/1) ... [2018-10-26 22:58:26,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:58:26,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:58:26,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:58:26,349 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:58:26,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26" (1/1) ... [2018-10-26 22:58:26,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26" (1/1) ... [2018-10-26 22:58:26,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26" (1/1) ... [2018-10-26 22:58:26,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26" (1/1) ... [2018-10-26 22:58:26,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26" (1/1) ... [2018-10-26 22:58:26,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26" (1/1) ... [2018-10-26 22:58:26,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26" (1/1) ... [2018-10-26 22:58:26,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:58:26,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:58:26,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:58:26,361 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:58:26,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:58:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:58:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:58:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:58:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:58:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:58:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:58:26,671 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:58:26,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:58:26 BoogieIcfgContainer [2018-10-26 22:58:26,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:58:26,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:58:26,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:58:26,676 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:58:26,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:58:26" (1/3) ... [2018-10-26 22:58:26,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f05d668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:58:26, skipping insertion in model container [2018-10-26 22:58:26,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:26" (2/3) ... [2018-10-26 22:58:26,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f05d668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:58:26, skipping insertion in model container [2018-10-26 22:58:26,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:58:26" (3/3) ... [2018-10-26 22:58:26,680 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_2_false-unreach-call_true-termination.i [2018-10-26 22:58:26,689 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:58:26,696 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:58:26,711 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:58:26,738 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:58:26,739 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:58:26,739 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:58:26,739 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:58:26,739 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:58:26,739 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:58:26,739 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:58:26,739 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:58:26,755 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-10-26 22:58:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 22:58:26,760 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:58:26,761 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:58:26,763 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:58:26,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:58:26,778 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-10-26 22:58:26,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:58:26,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:58:26,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:58:26,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:58:26,826 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:58:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:58:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:58:26,878 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:58:26,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:58:26 BoogieIcfgContainer [2018-10-26 22:58:26,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:58:26,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:58:26,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:58:26,900 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:58:26,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:58:26" (3/4) ... [2018-10-26 22:58:26,906 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:58:26,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:58:26,906 INFO L168 Benchmark]: Toolchain (without parser) took 754.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:58:26,908 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:58:26,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.23 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:58:26,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.19 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:58:26,911 INFO L168 Benchmark]: Boogie Preprocessor took 12.09 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:58:26,911 INFO L168 Benchmark]: RCFGBuilder took 311.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:58:26,912 INFO L168 Benchmark]: TraceAbstraction took 227.19 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:58:26,913 INFO L168 Benchmark]: Witness Printer took 5.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:58:26,918 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 179.23 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.19 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.09 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 311.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 227.19 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 14]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=0, x=0] [L13] COND TRUE !(result <= 1.0f && result >= -1.0f) VAL [IN=0, x=0] [L14] __VERIFIER_error() VAL [IN=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:58:28,722 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:58:28,723 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:58:28,732 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:58:28,732 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:58:28,733 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:58:28,734 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:58:28,736 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:58:28,737 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:58:28,738 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:58:28,739 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:58:28,739 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:58:28,740 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:58:28,741 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:58:28,746 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:58:28,746 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:58:28,747 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:58:28,748 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:58:28,754 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:58:28,755 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:58:28,756 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:58:28,757 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:58:28,764 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:58:28,765 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:58:28,765 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:58:28,766 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:58:28,766 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:58:28,767 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:58:28,768 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:58:28,768 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:58:28,769 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:58:28,769 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:58:28,775 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:58:28,775 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:58:28,776 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:58:28,776 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:58:28,776 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 22:58:28,793 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:58:28,794 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:58:28,795 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:58:28,795 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:58:28,795 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:58:28,796 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:58:28,796 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:58:28,796 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:58:28,797 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:58:28,798 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:58:28,798 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:58:28,798 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:58:28,798 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:58:28,799 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:58:28,799 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:58:28,799 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:58:28,800 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:58:28,800 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:58:28,800 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:58:28,800 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:58:28,800 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:58:28,800 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:58:28,800 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:58:28,800 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:58:28,801 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:58:28,801 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:58:28,801 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:58:28,801 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:58:28,801 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:58:28,801 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:58:28,801 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:58:28,802 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:58:28,802 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_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/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 -> 79593329bc8f7511983805b3e0e5d4c7fc3a0674 [2018-10-26 22:58:28,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:58:28,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:58:28,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:58:28,860 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:58:28,860 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:58:28,861 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i [2018-10-26 22:58:28,904 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/data/9b5e82238/b80e528ad8d340d3a71daf364dfcb1ff/FLAGa37c6deda [2018-10-26 22:58:29,271 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:58:29,272 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i [2018-10-26 22:58:29,277 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/data/9b5e82238/b80e528ad8d340d3a71daf364dfcb1ff/FLAGa37c6deda [2018-10-26 22:58:29,287 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/data/9b5e82238/b80e528ad8d340d3a71daf364dfcb1ff [2018-10-26 22:58:29,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:58:29,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:58:29,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:58:29,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:58:29,296 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:58:29,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:58:29" (1/1) ... [2018-10-26 22:58:29,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7968fe36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29, skipping insertion in model container [2018-10-26 22:58:29,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:58:29" (1/1) ... [2018-10-26 22:58:29,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:58:29,324 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:58:29,443 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:58:29,449 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:58:29,464 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:58:29,479 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:58:29,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29 WrapperNode [2018-10-26 22:58:29,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:58:29,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:58:29,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:58:29,480 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:58:29,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29" (1/1) ... [2018-10-26 22:58:29,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29" (1/1) ... [2018-10-26 22:58:29,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:58:29,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:58:29,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:58:29,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:58:29,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29" (1/1) ... [2018-10-26 22:58:29,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29" (1/1) ... [2018-10-26 22:58:29,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29" (1/1) ... [2018-10-26 22:58:29,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29" (1/1) ... [2018-10-26 22:58:29,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29" (1/1) ... [2018-10-26 22:58:29,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29" (1/1) ... [2018-10-26 22:58:29,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29" (1/1) ... [2018-10-26 22:58:29,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:58:29,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:58:29,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:58:29,532 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:58:29,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:58:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:58:29,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:58:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:58:29,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:58:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:58:29,590 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:58:32,291 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:58:32,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:58:32 BoogieIcfgContainer [2018-10-26 22:58:32,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:58:32,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:58:32,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:58:32,295 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:58:32,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:58:29" (1/3) ... [2018-10-26 22:58:32,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3fd6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:58:32, skipping insertion in model container [2018-10-26 22:58:32,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:58:29" (2/3) ... [2018-10-26 22:58:32,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3fd6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:58:32, skipping insertion in model container [2018-10-26 22:58:32,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:58:32" (3/3) ... [2018-10-26 22:58:32,297 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_2_false-unreach-call_true-termination.i [2018-10-26 22:58:32,310 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:58:32,316 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:58:32,328 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:58:32,352 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:58:32,352 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:58:32,352 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:58:32,353 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:58:32,353 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:58:32,353 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:58:32,353 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:58:32,353 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:58:32,353 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:58:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-10-26 22:58:32,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 22:58:32,372 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:58:32,373 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:58:32,374 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:58:32,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:58:32,385 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-10-26 22:58:32,389 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:58:32,390 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 22:58:32,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:05:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:05:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:05:48,136 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 23:05:48,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:05:48 BoogieIcfgContainer [2018-10-26 23:05:48,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:05:48,165 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:05:48,165 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:05:48,165 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:05:48,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:58:32" (3/4) ... [2018-10-26 23:05:48,168 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 23:05:48,199 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c0a731a-b1ea-4d0a-a5eb-9b6a2afcefa7/bin-2019/utaipan/witness.graphml [2018-10-26 23:05:48,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:05:48,201 INFO L168 Benchmark]: Toolchain (without parser) took 438909.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -136.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:05:48,202 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:05:48,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.44 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 941.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:05:48,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.12 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:05:48,204 INFO L168 Benchmark]: Boogie Preprocessor took 27.80 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:05:48,204 INFO L168 Benchmark]: RCFGBuilder took 2760.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:05:48,205 INFO L168 Benchmark]: TraceAbstraction took 435872.01 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:05:48,205 INFO L168 Benchmark]: Witness Printer took 35.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:05:48,210 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.44 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 941.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.12 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.80 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2760.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 435872.01 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Witness Printer took 35.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=1.5600119829177856, result=1.0087169408798218, x=1.5600119829177856] [L13] COND TRUE !(result <= 1.0f && result >= -1.0f) VAL [IN=1.5600119829177856, result=1.0087169408798218, x=1.5600119829177856] [L14] __VERIFIER_error() VAL [IN=1.5600119829177856, result=1.0087169408798218, x=1.5600119829177856] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 435.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 413.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...