./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/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 4402e33c41c1296b5e4b682ed26fe5ca3b275006 ............................................................................................................................................................................................................................................. 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_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/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 4402e33c41c1296b5e4b682ed26fe5ca3b275006 ................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-09 01:27:14,681 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:27:14,682 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:27:14,688 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:27:14,688 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:27:14,689 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:27:14,689 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:27:14,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:27:14,691 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:27:14,692 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:27:14,692 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:27:14,692 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:27:14,693 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:27:14,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:27:14,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:27:14,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:27:14,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:27:14,696 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:27:14,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:27:14,698 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:27:14,699 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:27:14,699 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:27:14,700 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:27:14,701 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:27:14,701 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:27:14,701 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:27:14,702 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:27:14,702 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:27:14,703 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:27:14,703 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:27:14,704 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:27:14,704 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:27:14,704 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:27:14,704 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:27:14,705 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:27:14,705 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:27:14,705 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 01:27:14,713 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:27:14,713 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:27:14,714 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:27:14,714 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:27:14,714 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:27:14,714 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:27:14,714 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:27:14,714 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 01:27:14,714 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:27:14,714 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:27:14,715 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 01:27:14,715 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 01:27:14,715 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:27:14,715 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:27:14,715 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:27:14,715 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:27:14,716 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:27:14,716 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:27:14,716 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:27:14,716 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:27:14,716 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:27:14,716 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:27:14,716 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:27:14,716 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:27:14,717 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:27:14,717 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:27:14,717 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:27:14,717 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:27:14,717 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:27:14,717 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:27:14,717 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:27:14,718 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:27:14,718 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 01:27:14,718 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:27:14,718 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:27:14,718 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 01:27:14,718 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_862608dd-f015-4cb3-b7fb-e6891a02adf3/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 -> 4402e33c41c1296b5e4b682ed26fe5ca3b275006 [2018-12-09 01:27:14,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:27:14,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:27:14,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:27:14,749 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:27:14,749 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:27:14,749 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-12-09 01:27:14,789 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/data/432805ea5/9941c86bde634c98acdbf7a26a6569fc/FLAG3be9679fe [2018-12-09 01:27:15,214 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:27:15,214 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-12-09 01:27:15,217 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/data/432805ea5/9941c86bde634c98acdbf7a26a6569fc/FLAG3be9679fe [2018-12-09 01:27:15,226 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/data/432805ea5/9941c86bde634c98acdbf7a26a6569fc [2018-12-09 01:27:15,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:27:15,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:27:15,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:27:15,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:27:15,232 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:27:15,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:27:15" (1/1) ... [2018-12-09 01:27:15,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709ce3e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15, skipping insertion in model container [2018-12-09 01:27:15,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:27:15" (1/1) ... [2018-12-09 01:27:15,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:27:15,246 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:27:15,329 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:27:15,331 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:27:15,340 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:27:15,348 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:27:15,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15 WrapperNode [2018-12-09 01:27:15,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:27:15,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:27:15,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:27:15,349 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:27:15,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15" (1/1) ... [2018-12-09 01:27:15,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15" (1/1) ... [2018-12-09 01:27:15,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:27:15,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:27:15,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:27:15,361 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:27:15,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15" (1/1) ... [2018-12-09 01:27:15,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15" (1/1) ... [2018-12-09 01:27:15,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15" (1/1) ... [2018-12-09 01:27:15,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15" (1/1) ... [2018-12-09 01:27:15,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15" (1/1) ... [2018-12-09 01:27:15,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15" (1/1) ... [2018-12-09 01:27:15,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15" (1/1) ... [2018-12-09 01:27:15,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:27:15,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:27:15,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:27:15,372 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:27:15,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/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 [2018-12-09 01:27:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:27:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:27:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:27:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:27:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:27:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:27:15,506 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:27:15,506 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 01:27:15,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:27:15 BoogieIcfgContainer [2018-12-09 01:27:15,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:27:15,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:27:15,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:27:15,510 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:27:15,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:27:15" (1/3) ... [2018-12-09 01:27:15,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6ab0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:27:15, skipping insertion in model container [2018-12-09 01:27:15,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:15" (2/3) ... [2018-12-09 01:27:15,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6ab0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:27:15, skipping insertion in model container [2018-12-09 01:27:15,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:27:15" (3/3) ... [2018-12-09 01:27:15,512 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_1_false-unreach-call_true-termination.i [2018-12-09 01:27:15,517 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:27:15,521 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:27:15,531 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:27:15,551 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:27:15,551 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:27:15,551 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:27:15,551 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:27:15,551 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:27:15,551 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:27:15,551 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:27:15,551 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:27:15,562 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-12-09 01:27:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 01:27:15,566 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:27:15,566 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:27:15,568 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:27:15,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:27:15,572 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-12-09 01:27:15,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:27:15,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:27:15,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:27:15,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:27:15,601 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:27:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:27:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:27:15,638 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 01:27:15,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:27:15 BoogieIcfgContainer [2018-12-09 01:27:15,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:27:15,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:27:15,652 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:27:15,652 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:27:15,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:27:15" (3/4) ... [2018-12-09 01:27:15,655 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 01:27:15,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:27:15,655 INFO L168 Benchmark]: Toolchain (without parser) took 426.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:27:15,656 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:27:15,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 118.95 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:27:15,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.04 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:27:15,658 INFO L168 Benchmark]: Boogie Preprocessor took 10.80 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:27:15,658 INFO L168 Benchmark]: RCFGBuilder took 134.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:27:15,659 INFO L168 Benchmark]: TraceAbstraction took 143.92 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-09 01:27:15,659 INFO L168 Benchmark]: Witness Printer took 3.24 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-09 01:27:15,662 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 118.95 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.04 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.80 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 134.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 143.92 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.24 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: 6.6 MB). Peak memory consumption was 6.6 MB. 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 7, overapproximation of someBinaryDOUBLEComparisonOperation 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 <= 0.99 && result >= -0.99) 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 0.1.23-635dfa2 [2018-12-09 01:27:16,982 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:27:16,983 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:27:16,989 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:27:16,990 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:27:16,990 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:27:16,991 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:27:16,992 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:27:16,992 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:27:16,993 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:27:16,993 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:27:16,994 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:27:16,994 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:27:16,995 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:27:16,995 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:27:16,995 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:27:16,996 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:27:16,997 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:27:16,998 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:27:16,999 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:27:16,999 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:27:17,000 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:27:17,001 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:27:17,001 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:27:17,001 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:27:17,002 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:27:17,002 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:27:17,003 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:27:17,003 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:27:17,004 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:27:17,004 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:27:17,004 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:27:17,004 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:27:17,004 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:27:17,005 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:27:17,005 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:27:17,005 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 01:27:17,013 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:27:17,013 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:27:17,013 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:27:17,013 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:27:17,014 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:27:17,014 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:27:17,014 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:27:17,014 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:27:17,014 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:27:17,014 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:27:17,015 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:27:17,015 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:27:17,015 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:27:17,015 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:27:17,015 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:27:17,015 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:27:17,015 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:27:17,015 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 01:27:17,016 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 01:27:17,016 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:27:17,016 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:27:17,016 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:27:17,016 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:27:17,016 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:27:17,016 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:27:17,016 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:27:17,017 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:27:17,017 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:27:17,017 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:27:17,017 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:27:17,017 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:27:17,017 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 01:27:17,017 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:27:17,018 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 01:27:17,018 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 01:27:17,018 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_862608dd-f015-4cb3-b7fb-e6891a02adf3/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 -> 4402e33c41c1296b5e4b682ed26fe5ca3b275006 [2018-12-09 01:27:17,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:27:17,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:27:17,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:27:17,050 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:27:17,050 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:27:17,051 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-12-09 01:27:17,094 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/data/111f4dbda/c2a3237367ee423a902035fb202f96dc/FLAG78dc4cf7e [2018-12-09 01:27:17,467 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:27:17,468 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-12-09 01:27:17,472 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/data/111f4dbda/c2a3237367ee423a902035fb202f96dc/FLAG78dc4cf7e [2018-12-09 01:27:17,484 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/data/111f4dbda/c2a3237367ee423a902035fb202f96dc [2018-12-09 01:27:17,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:27:17,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:27:17,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:27:17,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:27:17,491 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:27:17,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:27:17" (1/1) ... [2018-12-09 01:27:17,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e29c583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17, skipping insertion in model container [2018-12-09 01:27:17,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:27:17" (1/1) ... [2018-12-09 01:27:17,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:27:17,508 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:27:17,594 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:27:17,598 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:27:17,608 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:27:17,617 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:27:17,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17 WrapperNode [2018-12-09 01:27:17,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:27:17,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:27:17,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:27:17,618 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:27:17,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17" (1/1) ... [2018-12-09 01:27:17,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17" (1/1) ... [2018-12-09 01:27:17,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:27:17,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:27:17,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:27:17,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:27:17,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17" (1/1) ... [2018-12-09 01:27:17,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17" (1/1) ... [2018-12-09 01:27:17,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17" (1/1) ... [2018-12-09 01:27:17,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17" (1/1) ... [2018-12-09 01:27:17,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17" (1/1) ... [2018-12-09 01:27:17,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17" (1/1) ... [2018-12-09 01:27:17,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17" (1/1) ... [2018-12-09 01:27:17,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:27:17,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:27:17,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:27:17,645 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:27:17,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/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 [2018-12-09 01:27:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:27:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:27:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:27:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:27:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:27:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:27:20,290 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:27:20,290 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 01:27:20,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:27:20 BoogieIcfgContainer [2018-12-09 01:27:20,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:27:20,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:27:20,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:27:20,293 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:27:20,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:27:17" (1/3) ... [2018-12-09 01:27:20,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f7ba7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:27:20, skipping insertion in model container [2018-12-09 01:27:20,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:27:17" (2/3) ... [2018-12-09 01:27:20,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f7ba7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:27:20, skipping insertion in model container [2018-12-09 01:27:20,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:27:20" (3/3) ... [2018-12-09 01:27:20,294 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_1_false-unreach-call_true-termination.i [2018-12-09 01:27:20,300 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:27:20,304 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:27:20,312 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:27:20,328 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:27:20,329 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:27:20,329 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:27:20,329 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:27:20,329 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:27:20,329 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:27:20,329 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:27:20,329 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:27:20,330 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:27:20,339 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-12-09 01:27:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 01:27:20,342 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:27:20,342 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:27:20,344 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:27:20,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:27:20,347 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-12-09 01:27:20,349 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 01:27:20,350 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/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 [2018-12-09 01:27:20,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:27:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:30:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:30:23,277 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 01:30:23,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:30:23 BoogieIcfgContainer [2018-12-09 01:30:23,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:30:23,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:30:23,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:30:23,293 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:30:23,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:27:20" (3/4) ... [2018-12-09 01:30:23,295 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 01:30:23,321 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_862608dd-f015-4cb3-b7fb-e6891a02adf3/bin-2019/utaipan/witness.graphml [2018-12-09 01:30:23,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:30:23,321 INFO L168 Benchmark]: Toolchain (without parser) took 185834.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -143.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:30:23,322 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:30:23,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 129.25 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:30:23,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.29 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:30:23,323 INFO L168 Benchmark]: Boogie Preprocessor took 13.45 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:30:23,323 INFO L168 Benchmark]: RCFGBuilder took 2646.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-09 01:30:23,323 INFO L168 Benchmark]: TraceAbstraction took 183002.06 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: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2018-12-09 01:30:23,324 INFO L168 Benchmark]: Witness Printer took 27.62 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. [2018-12-09 01:30:23,325 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 129.25 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 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 13.29 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.45 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2646.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 183002.06 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: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * Witness Printer took 27.62 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=-1.4954726696014404, result=-1.0037016868591309, x=-1.4954726696014404] [L13] COND TRUE !(result <= 0.99 && result >= -0.99) VAL [IN=-1.4954726696014404, result=-1.0037016868591309, x=-1.4954726696014404] [L14] __VERIFIER_error() VAL [IN=-1.4954726696014404, result=-1.0037016868591309, x=-1.4954726696014404] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 182.9s 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, 2.5s 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...