./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 ................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:59:53,715 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:59:53,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:59:53,736 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:59:53,737 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:59:53,739 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:59:53,742 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:59:53,754 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:59:53,756 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:59:53,760 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:59:53,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:59:53,764 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:59:53,765 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:59:53,766 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:59:53,767 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:59:53,771 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:59:53,772 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:59:53,779 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:59:53,783 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:59:53,789 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:59:53,791 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:59:53,792 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:59:53,794 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:59:53,795 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:59:53,795 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:59:53,796 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:59:53,797 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:59:53,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:59:53,798 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:59:53,800 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:59:53,800 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:59:53,800 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:59:53,801 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:59:53,801 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:59:53,802 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:59:53,803 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:59:53,803 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 07:59:53,818 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:59:53,818 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:59:53,820 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:59:53,820 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:59:53,820 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:59:53,820 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:59:53,821 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:59:53,821 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 07:59:53,821 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:59:53,821 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:59:53,821 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:59:53,821 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:59:53,822 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:59:53,822 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:59:53,822 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:59:53,822 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:59:53,822 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:59:53,823 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:59:53,823 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:59:53,823 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:59:53,823 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:59:53,823 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:59:53,823 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:59:53,824 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:59:53,824 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:59:53,824 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 07:59:53,824 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:59:53,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 07:59:53,824 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 [2019-01-12 07:59:53,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:59:53,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:59:53,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:59:53,884 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:59:53,884 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:59:53,885 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2019-01-12 07:59:53,941 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9769c1fca/6caf970e3c9e4439bb9dbe580d780cb7/FLAG2ccfc9ac2 [2019-01-12 07:59:54,397 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:59:54,398 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2019-01-12 07:59:54,406 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9769c1fca/6caf970e3c9e4439bb9dbe580d780cb7/FLAG2ccfc9ac2 [2019-01-12 07:59:54,762 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9769c1fca/6caf970e3c9e4439bb9dbe580d780cb7 [2019-01-12 07:59:54,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:59:54,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:59:54,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:59:54,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:59:54,772 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:59:54,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:59:54" (1/1) ... [2019-01-12 07:59:54,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba7b51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:54, skipping insertion in model container [2019-01-12 07:59:54,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:59:54" (1/1) ... [2019-01-12 07:59:54,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:59:54,812 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:59:54,996 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:59:55,001 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:59:55,020 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:59:55,037 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:59:55,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:55 WrapperNode [2019-01-12 07:59:55,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:59:55,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:59:55,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:59:55,040 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:59:55,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:55" (1/1) ... [2019-01-12 07:59:55,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:55" (1/1) ... [2019-01-12 07:59:55,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:59:55,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:59:55,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:59:55,088 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:59:55,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:55" (1/1) ... [2019-01-12 07:59:55,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:55" (1/1) ... [2019-01-12 07:59:55,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:55" (1/1) ... [2019-01-12 07:59:55,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:55" (1/1) ... [2019-01-12 07:59:55,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:55" (1/1) ... [2019-01-12 07:59:55,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:55" (1/1) ... [2019-01-12 07:59:55,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:55" (1/1) ... [2019-01-12 07:59:55,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:59:55,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:59:55,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:59:55,118 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:59:55,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-12 07:59:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:59:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:59:55,613 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:59:55,614 INFO L286 CfgBuilder]: Removed 28 assue(true) statements. [2019-01-12 07:59:55,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:59:55 BoogieIcfgContainer [2019-01-12 07:59:55,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:59:55,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:59:55,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:59:55,620 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:59:55,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:59:54" (1/3) ... [2019-01-12 07:59:55,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a12b3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:59:55, skipping insertion in model container [2019-01-12 07:59:55,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:55" (2/3) ... [2019-01-12 07:59:55,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a12b3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:59:55, skipping insertion in model container [2019-01-12 07:59:55,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:59:55" (3/3) ... [2019-01-12 07:59:55,624 INFO L112 eAbstractionObserver]: Analyzing ICFG arctan_Pade_true-unreach-call_true-termination.c [2019-01-12 07:59:55,634 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:59:55,641 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:59:55,658 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:59:55,691 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:59:55,691 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:59:55,692 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:59:55,692 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:59:55,692 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:59:55,692 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:59:55,692 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:59:55,692 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:59:55,692 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:59:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-01-12 07:59:55,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 07:59:55,721 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:59:55,722 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:59:55,724 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:59:55,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:59:55,731 INFO L82 PathProgramCache]: Analyzing trace with hash 2110294653, now seen corresponding path program 1 times [2019-01-12 07:59:55,733 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 07:59:55,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 07:59:55,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:59:55,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:59:55,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:59:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:59:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:59:55,864 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 07:59:55,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:59:55 BoogieIcfgContainer [2019-01-12 07:59:55,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:59:55,891 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:59:55,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:59:55,891 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:59:55,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:59:55" (3/4) ... [2019-01-12 07:59:55,895 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 07:59:55,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:59:55,896 INFO L168 Benchmark]: Toolchain (without parser) took 1129.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:59:55,898 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:59:55,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.59 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:59:55,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.84 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:59:55,901 INFO L168 Benchmark]: Boogie Preprocessor took 30.03 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:59:55,902 INFO L168 Benchmark]: RCFGBuilder took 497.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-12 07:59:55,903 INFO L168 Benchmark]: TraceAbstraction took 273.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:59:55,904 INFO L168 Benchmark]: Witness Printer took 4.80 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. [2019-01-12 07:59:55,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.59 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 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 47.84 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.03 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 497.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 273.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.80 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: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 49, overapproximation of someUnaryDOUBLEoperation at line 36, overapproximation of someBinaryArithmeticDOUBLEoperation at line 30. Possible FailurePath: [L15] const double Pi=3.141592653589793238; VAL [Pi=1570796326794896619/500000000000000000] [L42] double a, r; [L44] a = __VERIFIER_nondet_double() [L36] COND TRUE x < 0 [L30] COND TRUE x > 1. [L19] double x_2 = x*x; [L20] return 1. - x_2 / (3. + 9./5.*x_2); VAL [Pi=1570796326794896619/500000000000000000] [L25] return x*PADE_2_2(x); [L30] return Pi / 2. - ARCTAN_0_1(1. / x); [L36] return -ARCTAN_POS(-x); [L47] r = ARCTAN(a) [L12] COND TRUE !(cond) VAL [Pi=1570796326794896619/500000000000000000] [L12] __VERIFIER_error() VAL [Pi=1570796326794896619/500000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.2s 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=23occurred 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, 10 NumberOfCodeBlocks, 10 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 0.1.24-0ed9222-m [2019-01-12 07:59:58,359 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:59:58,362 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:59:58,382 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:59:58,382 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:59:58,384 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:59:58,386 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:59:58,389 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:59:58,392 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:59:58,401 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:59:58,403 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:59:58,403 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:59:58,404 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:59:58,407 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:59:58,409 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:59:58,414 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:59:58,415 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:59:58,416 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:59:58,422 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:59:58,426 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:59:58,427 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:59:58,428 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:59:58,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:59:58,435 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:59:58,435 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:59:58,437 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:59:58,438 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:59:58,439 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:59:58,441 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:59:58,444 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:59:58,444 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:59:58,445 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:59:58,445 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:59:58,445 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:59:58,449 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:59:58,450 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:59:58,450 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 07:59:58,479 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:59:58,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:59:58,480 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:59:58,481 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:59:58,482 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:59:58,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:59:58,482 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:59:58,482 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:59:58,483 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:59:58,483 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:59:58,483 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:59:58,483 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:59:58,483 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 07:59:58,483 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 07:59:58,484 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:59:58,484 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:59:58,484 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:59:58,485 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:59:58,485 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:59:58,485 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:59:58,485 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:59:58,485 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:59:58,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:59:58,487 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:59:58,487 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:59:58,487 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:59:58,488 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 07:59:58,488 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:59:58,488 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 07:59:58,488 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 07:59:58,488 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 [2019-01-12 07:59:58,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:59:58,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:59:58,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:59:58,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:59:58,556 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:59:58,557 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2019-01-12 07:59:58,623 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b85dfd29/3c2752a5fdb8428fb8edc132832374f5/FLAG64835c674 [2019-01-12 07:59:59,072 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:59:59,073 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2019-01-12 07:59:59,080 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b85dfd29/3c2752a5fdb8428fb8edc132832374f5/FLAG64835c674 [2019-01-12 07:59:59,429 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b85dfd29/3c2752a5fdb8428fb8edc132832374f5 [2019-01-12 07:59:59,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:59:59,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:59:59,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:59:59,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:59:59,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:59:59,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:59:59" (1/1) ... [2019-01-12 07:59:59,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be22b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59, skipping insertion in model container [2019-01-12 07:59:59,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:59:59" (1/1) ... [2019-01-12 07:59:59,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:59:59,472 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:59:59,694 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:59:59,703 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:59:59,726 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:59:59,743 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:59:59,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59 WrapperNode [2019-01-12 07:59:59,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:59:59,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:59:59,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:59:59,745 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:59:59,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59" (1/1) ... [2019-01-12 07:59:59,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59" (1/1) ... [2019-01-12 07:59:59,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:59:59,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:59:59,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:59:59,788 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:59:59,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59" (1/1) ... [2019-01-12 07:59:59,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59" (1/1) ... [2019-01-12 07:59:59,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59" (1/1) ... [2019-01-12 07:59:59,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59" (1/1) ... [2019-01-12 07:59:59,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59" (1/1) ... [2019-01-12 07:59:59,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59" (1/1) ... [2019-01-12 07:59:59,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59" (1/1) ... [2019-01-12 07:59:59,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:59:59,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:59:59,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:59:59,918 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:59:59,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-12 07:59:59,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:59:59,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 08:00:15,132 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 08:00:15,133 INFO L286 CfgBuilder]: Removed 28 assue(true) statements. [2019-01-12 08:00:15,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:00:15 BoogieIcfgContainer [2019-01-12 08:00:15,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 08:00:15,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 08:00:15,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 08:00:15,138 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 08:00:15,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:59:59" (1/3) ... [2019-01-12 08:00:15,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f9a330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:00:15, skipping insertion in model container [2019-01-12 08:00:15,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:59:59" (2/3) ... [2019-01-12 08:00:15,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f9a330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:00:15, skipping insertion in model container [2019-01-12 08:00:15,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:00:15" (3/3) ... [2019-01-12 08:00:15,142 INFO L112 eAbstractionObserver]: Analyzing ICFG arctan_Pade_true-unreach-call_true-termination.c [2019-01-12 08:00:15,153 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 08:00:15,162 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 08:00:15,180 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 08:00:15,212 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 08:00:15,212 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 08:00:15,213 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 08:00:15,213 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 08:00:15,213 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 08:00:15,213 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 08:00:15,214 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 08:00:15,214 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 08:00:15,214 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 08:00:15,227 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-01-12 08:00:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 08:00:15,234 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 08:00:15,235 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 08:00:15,237 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 08:00:15,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 08:00:15,244 INFO L82 PathProgramCache]: Analyzing trace with hash 2110294653, now seen corresponding path program 1 times [2019-01-12 08:00:15,249 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 08:00:15,250 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-12 08:00:15,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 08:01:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 08:01:41,735 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 08:01:44,833 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_PADE_2_2_#res| (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse0 (fp.mul roundNearestTiesToEven c_ULTIMATE.start_ARCTAN_0_1_~x c_ULTIMATE.start_ARCTAN_0_1_~x))) (fp.div roundNearestTiesToEven .cse0 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse0)))))) (= c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0))) (exists ((ULTIMATE.start_ARCTAN_~x (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse2 (fp.neg ULTIMATE.start_ARCTAN_~x))) (and (fp.lt ULTIMATE.start_ARCTAN_~x ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.geq ULTIMATE.start_ARCTAN_~x (fp.neg .cse1)) (fp.leq ULTIMATE.start_ARCTAN_~x .cse1) (fp.gt .cse2 .cse3) (= c_ULTIMATE.start_ARCTAN_0_1_~x (fp.div roundNearestTiesToEven .cse3 .cse2)))))) is different from false [2019-01-12 08:01:47,293 WARN L860 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_PADE_2_2_#res| (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse0 (fp.mul roundNearestTiesToEven c_ULTIMATE.start_ARCTAN_0_1_~x c_ULTIMATE.start_ARCTAN_0_1_~x))) (fp.div roundNearestTiesToEven .cse0 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse0)))))) (= c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0))) (exists ((ULTIMATE.start_ARCTAN_~x (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse2 (fp.neg ULTIMATE.start_ARCTAN_~x))) (and (fp.lt ULTIMATE.start_ARCTAN_~x ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.geq ULTIMATE.start_ARCTAN_~x (fp.neg .cse1)) (fp.leq ULTIMATE.start_ARCTAN_~x .cse1) (fp.gt .cse2 .cse3) (= c_ULTIMATE.start_ARCTAN_0_1_~x (fp.div roundNearestTiesToEven .cse3 .cse2)))))) is different from true [2019-01-12 08:01:50,270 WARN L838 $PredicateComparison]: unable to prove that (and (= c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0))) (exists ((ULTIMATE.start_ARCTAN_~x (_ FloatingPoint 11 53))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (.cse3 (fp.neg ULTIMATE.start_ARCTAN_~x)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (= (let ((.cse0 (fp.div roundNearestTiesToEven .cse1 .cse3))) (fp.mul roundNearestTiesToEven .cse0 (fp.sub roundNearestTiesToEven .cse1 (let ((.cse2 (fp.mul roundNearestTiesToEven .cse0 .cse0))) (fp.div roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse2))))))) |c_ULTIMATE.start_ARCTAN_0_1_#res|) (fp.lt ULTIMATE.start_ARCTAN_~x ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.geq ULTIMATE.start_ARCTAN_~x (fp.neg .cse4)) (fp.leq ULTIMATE.start_ARCTAN_~x .cse4) (fp.gt .cse3 .cse1))))) is different from false [2019-01-12 08:01:53,306 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_ARCTAN_~x (_ FloatingPoint 11 53))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (.cse3 (fp.neg ULTIMATE.start_ARCTAN_~x)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (= (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0)) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse0 (fp.div roundNearestTiesToEven .cse1 .cse3))) (fp.mul roundNearestTiesToEven .cse0 (fp.sub roundNearestTiesToEven .cse1 (let ((.cse2 (fp.mul roundNearestTiesToEven .cse0 .cse0))) (fp.div roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse2)))))))) |c_ULTIMATE.start_ARCTAN_POS_#res|) (fp.lt ULTIMATE.start_ARCTAN_~x ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.geq ULTIMATE.start_ARCTAN_~x (fp.neg .cse4)) (fp.leq ULTIMATE.start_ARCTAN_~x .cse4) (fp.gt .cse3 .cse1)))) is different from false [2019-01-12 08:01:56,076 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_ARCTAN_~x (_ FloatingPoint 11 53))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (.cse3 (fp.neg ULTIMATE.start_ARCTAN_~x)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (= (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0)) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse0 (fp.div roundNearestTiesToEven .cse1 .cse3))) (fp.mul roundNearestTiesToEven .cse0 (fp.sub roundNearestTiesToEven .cse1 (let ((.cse2 (fp.mul roundNearestTiesToEven .cse0 .cse0))) (fp.div roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse2)))))))) |c_ULTIMATE.start_ARCTAN_POS_#res|) (fp.lt ULTIMATE.start_ARCTAN_~x ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.geq ULTIMATE.start_ARCTAN_~x (fp.neg .cse4)) (fp.leq ULTIMATE.start_ARCTAN_~x .cse4) (fp.gt .cse3 .cse1)))) is different from true [2019-01-12 08:01:59,099 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_ARCTAN_~x (_ FloatingPoint 11 53))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (.cse3 (fp.neg ULTIMATE.start_ARCTAN_~x)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (fp.lt ULTIMATE.start_ARCTAN_~x ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (= |c_ULTIMATE.start_ARCTAN_#res| (fp.neg (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0)) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse0 (fp.div roundNearestTiesToEven .cse1 .cse3))) (fp.mul roundNearestTiesToEven .cse0 (fp.sub roundNearestTiesToEven .cse1 (let ((.cse2 (fp.mul roundNearestTiesToEven .cse0 .cse0))) (fp.div roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse2)))))))))) (fp.geq ULTIMATE.start_ARCTAN_~x (fp.neg .cse4)) (fp.leq ULTIMATE.start_ARCTAN_~x .cse4) (fp.gt .cse3 .cse1)))) is different from false [2019-01-12 08:02:01,894 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_ARCTAN_~x (_ FloatingPoint 11 53))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (.cse3 (fp.neg ULTIMATE.start_ARCTAN_~x)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (fp.lt ULTIMATE.start_ARCTAN_~x ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (= |c_ULTIMATE.start_ARCTAN_#res| (fp.neg (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0)) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse0 (fp.div roundNearestTiesToEven .cse1 .cse3))) (fp.mul roundNearestTiesToEven .cse0 (fp.sub roundNearestTiesToEven .cse1 (let ((.cse2 (fp.mul roundNearestTiesToEven .cse0 .cse0))) (fp.div roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse2)))))))))) (fp.geq ULTIMATE.start_ARCTAN_~x (fp.neg .cse4)) (fp.leq ULTIMATE.start_ARCTAN_~x .cse4) (fp.gt .cse3 .cse1)))) is different from true [2019-01-12 08:02:25,484 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-01-12 08:02:25,686 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-01-12 08:02:25,687 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:141) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:829) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 39 more [2019-01-12 08:02:25,697 INFO L168 Benchmark]: Toolchain (without parser) took 146263.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-01-12 08:02:25,699 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:02:25,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.96 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 08:02:25,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.36 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 08:02:25,703 INFO L168 Benchmark]: Boogie Preprocessor took 129.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-01-12 08:02:25,704 INFO L168 Benchmark]: RCFGBuilder took 15216.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-01-12 08:02:25,705 INFO L168 Benchmark]: TraceAbstraction took 130561.21 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2019-01-12 08:02:25,712 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.96 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 43.36 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 129.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15216.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 130561.21 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...