./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer --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 Automizer --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_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer --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 Automizer --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 0.1.23-1dbac8b [2018-11-10 02:45:49,567 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:45:49,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:45:49,575 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:45:49,575 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:45:49,576 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:45:49,576 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:45:49,578 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:45:49,579 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:45:49,579 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:45:49,580 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:45:49,580 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:45:49,581 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:45:49,581 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:45:49,582 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:45:49,582 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:45:49,583 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:45:49,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:45:49,585 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:45:49,586 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:45:49,587 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:45:49,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:45:49,588 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:45:49,588 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:45:49,588 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:45:49,589 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:45:49,590 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:45:49,590 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:45:49,591 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:45:49,592 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:45:49,592 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:45:49,592 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:45:49,593 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:45:49,593 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:45:49,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:45:49,593 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:45:49,594 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 02:45:49,601 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:45:49,601 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:45:49,602 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:45:49,602 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:45:49,602 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:45:49,602 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:45:49,602 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 02:45:49,603 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:45:49,603 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:45:49,603 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:45:49,603 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:45:49,603 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:45:49,603 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:45:49,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:45:49,604 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:45:49,604 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:45:49,604 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:45:49,604 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:45:49,604 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:45:49,604 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 02:45:49,604 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:45:49,605 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 02:45:49,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:45:49,605 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:45:49,605 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:45:49,605 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:45:49,605 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 02:45:49,605 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:45:49,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:45:49,606 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_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer 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 -> Automizer 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 [2018-11-10 02:45:49,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:45:49,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:45:49,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:45:49,642 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:45:49,642 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:45:49,642 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-11-10 02:45:49,687 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/data/a36408c95/da85026364094989aae74a7e158e1bd6/FLAGb6ef39db5 [2018-11-10 02:45:50,024 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:45:50,024 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-11-10 02:45:50,029 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/data/a36408c95/da85026364094989aae74a7e158e1bd6/FLAGb6ef39db5 [2018-11-10 02:45:50,039 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/data/a36408c95/da85026364094989aae74a7e158e1bd6 [2018-11-10 02:45:50,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:45:50,043 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 02:45:50,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:45:50,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:45:50,046 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:45:50,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:45:50" (1/1) ... [2018-11-10 02:45:50,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46673125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:50, skipping insertion in model container [2018-11-10 02:45:50,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:45:50" (1/1) ... [2018-11-10 02:45:50,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:45:50,068 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:45:50,170 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:45:50,173 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:45:50,184 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:45:50,193 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:45:50,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:50 WrapperNode [2018-11-10 02:45:50,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:45:50,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:45:50,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:45:50,194 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:45:50,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:50" (1/1) ... [2018-11-10 02:45:50,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:50" (1/1) ... [2018-11-10 02:45:50,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:50" (1/1) ... [2018-11-10 02:45:50,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:50" (1/1) ... [2018-11-10 02:45:50,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:50" (1/1) ... [2018-11-10 02:45:50,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:50" (1/1) ... [2018-11-10 02:45:50,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:50" (1/1) ... [2018-11-10 02:45:50,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:45:50,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:45:50,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:45:50,214 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:45:50,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:45:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 02:45:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:45:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 02:45:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 02:45:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 02:45:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 02:45:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 02:45:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 02:45:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:45:50,382 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:45:50,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:45:50 BoogieIcfgContainer [2018-11-10 02:45:50,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:45:50,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 02:45:50,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 02:45:50,387 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 02:45:50,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:45:50" (1/3) ... [2018-11-10 02:45:50,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bac43dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:45:50, skipping insertion in model container [2018-11-10 02:45:50,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:50" (2/3) ... [2018-11-10 02:45:50,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bac43dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:45:50, skipping insertion in model container [2018-11-10 02:45:50,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:45:50" (3/3) ... [2018-11-10 02:45:50,390 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_1_false-unreach-call_true-termination.i [2018-11-10 02:45:50,396 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 02:45:50,400 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 02:45:50,410 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 02:45:50,428 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 02:45:50,429 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 02:45:50,429 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 02:45:50,429 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 02:45:50,429 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 02:45:50,429 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 02:45:50,429 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 02:45:50,429 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 02:45:50,429 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 02:45:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-10 02:45:50,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 02:45:50,448 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:45:50,449 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 02:45:50,451 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:45:50,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:45:50,456 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-10 02:45:50,457 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:45:50,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:45:50,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:45:50,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:45:50,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:45:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:45:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:45:50,533 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 02:45:50,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:45:50 BoogieIcfgContainer [2018-11-10 02:45:50,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 02:45:50,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:45:50,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:45:50,546 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:45:50,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:45:50" (3/4) ... [2018-11-10 02:45:50,549 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 02:45:50,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:45:50,549 INFO L168 Benchmark]: Toolchain (without parser) took 507.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:45:50,550 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:45:50,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.18 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:45:50,551 INFO L168 Benchmark]: Boogie Preprocessor took 19.83 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:45:50,552 INFO L168 Benchmark]: RCFGBuilder took 169.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -207.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-11-10 02:45:50,552 INFO L168 Benchmark]: TraceAbstraction took 162.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-10 02:45:50,553 INFO L168 Benchmark]: Witness Printer took 2.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:45:50,555 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 150.18 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.83 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 169.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -207.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 162.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.85 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 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 0.1.23-1dbac8b [2018-11-10 02:45:51,958 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:45:51,959 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:45:51,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:45:51,967 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:45:51,968 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:45:51,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:45:51,970 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:45:51,971 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:45:51,972 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:45:51,972 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:45:51,972 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:45:51,973 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:45:51,974 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:45:51,974 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:45:51,975 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:45:51,975 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:45:51,976 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:45:51,978 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:45:51,979 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:45:51,979 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:45:51,980 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:45:51,982 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:45:51,982 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:45:51,982 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:45:51,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:45:51,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:45:51,984 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:45:51,984 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:45:51,985 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:45:51,985 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:45:51,986 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:45:51,986 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:45:51,986 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:45:51,987 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:45:51,987 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:45:51,987 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 02:45:51,997 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:45:51,997 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:45:51,997 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:45:51,998 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:45:51,998 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:45:51,998 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:45:51,998 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 02:45:51,999 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:45:51,999 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:45:51,999 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:45:51,999 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:45:51,999 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:45:51,999 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:45:51,999 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:45:52,000 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 02:45:52,000 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 02:45:52,000 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:45:52,000 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:45:52,000 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:45:52,000 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:45:52,001 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 02:45:52,001 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:45:52,001 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 02:45:52,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:45:52,001 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:45:52,001 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:45:52,001 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:45:52,001 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 02:45:52,002 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:45:52,002 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 02:45:52,002 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 02:45:52,002 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_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer 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 -> Automizer 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 [2018-11-10 02:45:52,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:45:52,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:45:52,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:45:52,044 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:45:52,044 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:45:52,045 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-11-10 02:45:52,091 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/data/1f4ef9e30/bb98d6892fe64784b474f475bf0e2428/FLAG1435f2965 [2018-11-10 02:45:52,415 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:45:52,416 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-11-10 02:45:52,419 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/data/1f4ef9e30/bb98d6892fe64784b474f475bf0e2428/FLAG1435f2965 [2018-11-10 02:45:52,428 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/data/1f4ef9e30/bb98d6892fe64784b474f475bf0e2428 [2018-11-10 02:45:52,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:45:52,431 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 02:45:52,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:45:52,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:45:52,434 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:45:52,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:45:52" (1/1) ... [2018-11-10 02:45:52,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691b1950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:52, skipping insertion in model container [2018-11-10 02:45:52,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:45:52" (1/1) ... [2018-11-10 02:45:52,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:45:52,453 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:45:52,575 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:45:52,580 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:45:52,592 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:45:52,601 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:45:52,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:52 WrapperNode [2018-11-10 02:45:52,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:45:52,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:45:52,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:45:52,603 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:45:52,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:52" (1/1) ... [2018-11-10 02:45:52,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:52" (1/1) ... [2018-11-10 02:45:52,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:52" (1/1) ... [2018-11-10 02:45:52,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:52" (1/1) ... [2018-11-10 02:45:52,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:52" (1/1) ... [2018-11-10 02:45:52,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:52" (1/1) ... [2018-11-10 02:45:52,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:52" (1/1) ... [2018-11-10 02:45:52,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:45:52,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:45:52,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:45:52,624 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:45:52,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:45:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 02:45:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:45:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 02:45:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 02:45:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 02:45:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 02:45:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 02:45:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 02:45:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:45:55,455 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:45:55,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:45:55 BoogieIcfgContainer [2018-11-10 02:45:55,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:45:55,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 02:45:55,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 02:45:55,458 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 02:45:55,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:45:52" (1/3) ... [2018-11-10 02:45:55,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f461f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:45:55, skipping insertion in model container [2018-11-10 02:45:55,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:52" (2/3) ... [2018-11-10 02:45:55,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f461f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:45:55, skipping insertion in model container [2018-11-10 02:45:55,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:45:55" (3/3) ... [2018-11-10 02:45:55,461 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_1_false-unreach-call_true-termination.i [2018-11-10 02:45:55,468 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 02:45:55,473 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 02:45:55,483 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 02:45:55,504 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 02:45:55,504 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 02:45:55,504 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 02:45:55,504 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 02:45:55,505 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 02:45:55,505 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 02:45:55,505 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 02:45:55,505 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 02:45:55,505 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 02:45:55,518 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-10 02:45:55,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 02:45:55,523 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:45:55,524 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 02:45:55,526 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:45:55,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:45:55,530 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-10 02:45:55,533 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 02:45:55,534 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 02:45:55,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:46:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:46:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:46:11,456 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 02:46:11,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:46:11 BoogieIcfgContainer [2018-11-10 02:46:11,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 02:46:11,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:46:11,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:46:11,477 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:46:11,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:45:55" (3/4) ... [2018-11-10 02:46:11,480 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 02:46:11,513 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1c4a448f-3aab-48a2-9837-3d9c77277159/bin-2019/uautomizer/witness.graphml [2018-11-10 02:46:11,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:46:11,514 INFO L168 Benchmark]: Toolchain (without parser) took 19083.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:46:11,516 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:46:11,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.55 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:46:11,516 INFO L168 Benchmark]: Boogie Preprocessor took 21.52 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:46:11,517 INFO L168 Benchmark]: RCFGBuilder took 2831.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:46:11,517 INFO L168 Benchmark]: TraceAbstraction took 16020.27 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-10 02:46:11,518 INFO L168 Benchmark]: Witness Printer took 37.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:46:11,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 170.55 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.52 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2831.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16020.27 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Witness Printer took 37.16 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=-1.42994225025177, result=-0.9948797225952148, x=-1.42994225025177] [L13] COND TRUE !(result <= 0.99 && result >= -0.99) VAL [IN=-1.42994225025177, result=-0.9948797225952148, x=-1.42994225025177] [L14] __VERIFIER_error() VAL [IN=-1.42994225025177, result=-0.9948797225952148, x=-1.42994225025177] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 15.9s 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, 9.4s 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...