./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/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 79593329bc8f7511983805b3e0e5d4c7fc3a0674 .................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/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 79593329bc8f7511983805b3e0e5d4c7fc3a0674 ................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:25:42,732 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:25:42,733 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:25:42,739 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:25:42,739 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:25:42,740 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:25:42,741 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:25:42,742 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:25:42,743 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:25:42,743 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:25:42,744 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:25:42,744 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:25:42,744 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:25:42,745 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:25:42,745 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:25:42,746 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:25:42,746 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:25:42,747 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:25:42,748 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:25:42,749 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:25:42,750 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:25:42,750 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:25:42,752 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:25:42,752 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:25:42,752 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:25:42,752 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:25:42,753 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:25:42,753 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:25:42,754 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:25:42,754 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:25:42,754 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:25:42,755 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:25:42,755 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:25:42,755 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:25:42,756 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:25:42,756 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:25:42,756 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 22:25:42,764 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:25:42,764 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:25:42,764 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:25:42,764 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:25:42,765 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:25:42,765 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:25:42,765 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 22:25:42,765 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:25:42,765 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:25:42,765 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:25:42,765 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:25:42,765 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:25:42,766 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:25:42,766 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:25:42,766 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:25:42,766 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:25:42,766 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:25:42,766 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:25:42,766 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:25:42,766 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:25:42,766 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:25:42,766 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:25:42,767 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:25:42,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:25:42,767 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:25:42,767 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:25:42,767 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:25:42,767 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 22:25:42,767 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:25:42,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:25:42,767 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_b5bd259c-6b95-489e-88a3-24b36e426765/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 -> 79593329bc8f7511983805b3e0e5d4c7fc3a0674 [2018-12-01 22:25:42,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:25:42,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:25:42,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:25:42,794 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:25:42,794 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:25:42,794 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i [2018-12-01 22:25:42,829 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/data/ea33f647a/ca1c3640e49c40c4a32b6c14c776db91/FLAGc8fa2a066 [2018-12-01 22:25:43,276 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:25:43,276 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i [2018-12-01 22:25:43,280 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/data/ea33f647a/ca1c3640e49c40c4a32b6c14c776db91/FLAGc8fa2a066 [2018-12-01 22:25:43,288 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/data/ea33f647a/ca1c3640e49c40c4a32b6c14c776db91 [2018-12-01 22:25:43,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:25:43,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:25:43,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:25:43,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:25:43,293 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:25:43,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:25:43" (1/1) ... [2018-12-01 22:25:43,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96971f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43, skipping insertion in model container [2018-12-01 22:25:43,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:25:43" (1/1) ... [2018-12-01 22:25:43,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:25:43,307 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:25:43,395 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:25:43,398 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:25:43,408 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:25:43,416 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:25:43,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43 WrapperNode [2018-12-01 22:25:43,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:25:43,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:25:43,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:25:43,417 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:25:43,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43" (1/1) ... [2018-12-01 22:25:43,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43" (1/1) ... [2018-12-01 22:25:43,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:25:43,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:25:43,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:25:43,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:25:43,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43" (1/1) ... [2018-12-01 22:25:43,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43" (1/1) ... [2018-12-01 22:25:43,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43" (1/1) ... [2018-12-01 22:25:43,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43" (1/1) ... [2018-12-01 22:25:43,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43" (1/1) ... [2018-12-01 22:25:43,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43" (1/1) ... [2018-12-01 22:25:43,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43" (1/1) ... [2018-12-01 22:25:43,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:25:43,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:25:43,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:25:43,440 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:25:43,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/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 [2018-12-01 22:25:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:25:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:25:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:25:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:25:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:25:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:25:43,565 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:25:43,565 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-01 22:25:43,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:25:43 BoogieIcfgContainer [2018-12-01 22:25:43,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:25:43,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:25:43,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:25:43,568 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:25:43,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:25:43" (1/3) ... [2018-12-01 22:25:43,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ceef502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:25:43, skipping insertion in model container [2018-12-01 22:25:43,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:43" (2/3) ... [2018-12-01 22:25:43,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ceef502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:25:43, skipping insertion in model container [2018-12-01 22:25:43,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:25:43" (3/3) ... [2018-12-01 22:25:43,570 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_2_false-unreach-call_true-termination.i [2018-12-01 22:25:43,576 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:25:43,580 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:25:43,589 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:25:43,607 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 22:25:43,607 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:25:43,607 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:25:43,607 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:25:43,607 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:25:43,607 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:25:43,608 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:25:43,608 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:25:43,608 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:25:43,618 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-12-01 22:25:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 22:25:43,621 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:25:43,622 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:25:43,623 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:25:43,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:43,626 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-12-01 22:25:43,628 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:25:43,628 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:25:43,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:43,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:43,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:25:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:25:43,691 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 22:25:43,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:25:43 BoogieIcfgContainer [2018-12-01 22:25:43,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:25:43,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:25:43,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:25:43,705 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:25:43,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:25:43" (3/4) ... [2018-12-01 22:25:43,708 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 22:25:43,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:25:43,708 INFO L168 Benchmark]: Toolchain (without parser) took 418.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:25:43,709 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-01 22:25:43,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 126.04 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:25:43,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.85 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. [2018-12-01 22:25:43,710 INFO L168 Benchmark]: Boogie Preprocessor took 10.46 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. [2018-12-01 22:25:43,711 INFO L168 Benchmark]: RCFGBuilder took 126.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:25:43,711 INFO L168 Benchmark]: TraceAbstraction took 138.62 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-01 22:25:43,712 INFO L168 Benchmark]: Witness Printer took 2.98 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. [2018-12-01 22:25:43,714 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 126.04 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.85 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 10.46 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 126.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 138.62 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 14]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=0, x=0] [L13] COND TRUE !(result <= 1.0f && result >= -1.0f) VAL [IN=0, x=0] [L14] __VERIFIER_error() VAL [IN=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:25:45,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:25:45,033 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:25:45,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:25:45,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:25:45,041 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:25:45,042 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:25:45,043 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:25:45,044 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:25:45,044 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:25:45,045 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:25:45,045 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:25:45,046 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:25:45,046 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:25:45,047 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:25:45,048 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:25:45,048 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:25:45,049 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:25:45,050 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:25:45,051 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:25:45,051 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:25:45,052 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:25:45,053 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:25:45,053 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:25:45,053 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:25:45,054 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:25:45,054 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:25:45,054 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:25:45,055 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:25:45,056 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:25:45,056 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:25:45,056 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:25:45,056 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:25:45,057 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:25:45,057 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:25:45,058 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:25:45,058 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-01 22:25:45,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:25:45,068 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:25:45,068 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:25:45,069 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:25:45,069 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:25:45,069 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:25:45,069 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 22:25:45,070 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:25:45,070 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:25:45,070 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:25:45,070 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:25:45,070 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:25:45,070 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:25:45,070 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:25:45,071 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 22:25:45,071 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 22:25:45,071 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:25:45,071 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:25:45,071 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:25:45,071 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:25:45,072 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:25:45,072 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:25:45,072 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:25:45,072 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:25:45,072 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:25:45,072 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:25:45,073 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:25:45,073 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:25:45,073 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 22:25:45,073 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:25:45,073 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 22:25:45,073 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 22:25:45,073 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_b5bd259c-6b95-489e-88a3-24b36e426765/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 -> 79593329bc8f7511983805b3e0e5d4c7fc3a0674 [2018-12-01 22:25:45,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:25:45,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:25:45,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:25:45,107 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:25:45,107 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:25:45,108 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i [2018-12-01 22:25:45,142 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/data/1c94958f8/65e9df2817b74f4f96a97636b7e932a9/FLAG376a9d409 [2018-12-01 22:25:45,542 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:25:45,542 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/sv-benchmarks/c/floats-cdfpl/sine_2_false-unreach-call_true-termination.i [2018-12-01 22:25:45,546 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/data/1c94958f8/65e9df2817b74f4f96a97636b7e932a9/FLAG376a9d409 [2018-12-01 22:25:45,553 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/data/1c94958f8/65e9df2817b74f4f96a97636b7e932a9 [2018-12-01 22:25:45,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:25:45,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:25:45,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:25:45,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:25:45,559 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:25:45,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:25:45" (1/1) ... [2018-12-01 22:25:45,561 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 01.12 10:25:45, skipping insertion in model container [2018-12-01 22:25:45,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:25:45" (1/1) ... [2018-12-01 22:25:45,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:25:45,573 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:25:45,658 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:25:45,662 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:25:45,672 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:25:45,681 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:25:45,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:45 WrapperNode [2018-12-01 22:25:45,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:25:45,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:25:45,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:25:45,682 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:25:45,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:45" (1/1) ... [2018-12-01 22:25:45,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:45" (1/1) ... [2018-12-01 22:25:45,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:25:45,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:25:45,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:25:45,695 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:25:45,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:45" (1/1) ... [2018-12-01 22:25:45,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:45" (1/1) ... [2018-12-01 22:25:45,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:45" (1/1) ... [2018-12-01 22:25:45,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:45" (1/1) ... [2018-12-01 22:25:45,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:45" (1/1) ... [2018-12-01 22:25:45,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:45" (1/1) ... [2018-12-01 22:25:45,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:45" (1/1) ... [2018-12-01 22:25:45,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:25:45,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:25:45,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:25:45,710 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:25:45,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/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 [2018-12-01 22:25:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:25:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:25:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:25:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:25:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:25:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:25:48,238 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:25:48,238 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-01 22:25:48,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:25:48 BoogieIcfgContainer [2018-12-01 22:25:48,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:25:48,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:25:48,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:25:48,241 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:25:48,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:25:45" (1/3) ... [2018-12-01 22:25:48,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c821d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:25:48, skipping insertion in model container [2018-12-01 22:25:48,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:45" (2/3) ... [2018-12-01 22:25:48,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c821d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:25:48, skipping insertion in model container [2018-12-01 22:25:48,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:25:48" (3/3) ... [2018-12-01 22:25:48,243 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_2_false-unreach-call_true-termination.i [2018-12-01 22:25:48,248 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:25:48,252 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:25:48,260 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:25:48,276 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 22:25:48,277 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:25:48,277 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:25:48,277 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:25:48,277 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:25:48,277 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:25:48,277 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:25:48,278 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:25:48,278 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:25:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-12-01 22:25:48,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 22:25:48,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:25:48,291 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:25:48,292 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:25:48,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:48,295 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-12-01 22:25:48,297 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 22:25:48,298 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/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 [2018-12-01 22:25:48,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:31:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:31:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:31:51,816 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 22:31:51,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:31:51 BoogieIcfgContainer [2018-12-01 22:31:51,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:31:51,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:31:51,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:31:51,836 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:31:51,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:25:48" (3/4) ... [2018-12-01 22:31:51,838 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 22:31:51,864 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b5bd259c-6b95-489e-88a3-24b36e426765/bin-2019/uautomizer/witness.graphml [2018-12-01 22:31:51,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:31:51,865 INFO L168 Benchmark]: Toolchain (without parser) took 366309.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -140.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:31:51,866 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-01 22:31:51,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.76 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:31:51,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.33 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:31:51,867 INFO L168 Benchmark]: Boogie Preprocessor took 14.10 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:31:51,867 INFO L168 Benchmark]: RCFGBuilder took 2529.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-01 22:31:51,867 INFO L168 Benchmark]: TraceAbstraction took 363596.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-12-01 22:31:51,868 INFO L168 Benchmark]: Witness Printer took 28.80 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. [2018-12-01 22:31:51,869 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 124.76 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.33 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.10 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2529.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 363596.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Witness Printer took 28.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=1.5600119829177856, result=1.0087169408798218, x=1.5600119829177856] [L13] COND TRUE !(result <= 1.0f && result >= -1.0f) VAL [IN=1.5600119829177856, result=1.0087169408798218, x=1.5600119829177856] [L14] __VERIFIER_error() VAL [IN=1.5600119829177856, result=1.0087169408798218, x=1.5600119829177856] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 363.5s 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, 345.5s 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...