./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cdfpl/sine_8_true-unreach-call_true-termination.i --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/floats-cdfpl/sine_8_true-unreach-call_true-termination.i -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 66f3053ae91dd747e7b211a5258ddd70b4c376e2 ..................................................................................................................................................................................................................... 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/floats-cdfpl/sine_8_true-unreach-call_true-termination.i -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 66f3053ae91dd747e7b211a5258ddd70b4c376e2 ............................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:48:01,467 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:48:01,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:48:01,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:48:01,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:48:01,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:48:01,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:48:01,486 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:48:01,488 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:48:01,489 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:48:01,490 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:48:01,491 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:48:01,492 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:48:01,493 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:48:01,495 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:48:01,495 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:48:01,496 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:48:01,498 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:48:01,501 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:48:01,502 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:48:01,504 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:48:01,505 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:48:01,508 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:48:01,509 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:48:01,509 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:48:01,510 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:48:01,512 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:48:01,513 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:48:01,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:48:01,515 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:48:01,515 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:48:01,516 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:48:01,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:48:01,516 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:48:01,518 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:48:01,519 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:48:01,519 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 07:48:01,535 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:48:01,535 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:48:01,536 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:48:01,536 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:48:01,537 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:48:01,537 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:48:01,537 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:48:01,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 07:48:01,537 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:48:01,538 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:48:01,539 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:48:01,539 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:48:01,539 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:48:01,539 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:48:01,539 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:48:01,540 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:48:01,540 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:48:01,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:48:01,540 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:48:01,540 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:48:01,541 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:48:01,542 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:48:01,542 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:48:01,542 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:48:01,542 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:48:01,543 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 07:48:01,543 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:48:01,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 07:48:01,544 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 -> 66f3053ae91dd747e7b211a5258ddd70b4c376e2 [2019-01-12 07:48:01,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:48:01,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:48:01,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:48:01,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:48:01,599 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:48:01,600 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/sine_8_true-unreach-call_true-termination.i [2019-01-12 07:48:01,662 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a343d5f58/b48cd74322cd44c69ca6d76f2f25aabd/FLAGe22c775ae [2019-01-12 07:48:02,081 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:48:02,083 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/sine_8_true-unreach-call_true-termination.i [2019-01-12 07:48:02,090 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a343d5f58/b48cd74322cd44c69ca6d76f2f25aabd/FLAGe22c775ae [2019-01-12 07:48:02,430 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a343d5f58/b48cd74322cd44c69ca6d76f2f25aabd [2019-01-12 07:48:02,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:48:02,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:48:02,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:48:02,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:48:02,442 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:48:02,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:48:02" (1/1) ... [2019-01-12 07:48:02,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c948153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02, skipping insertion in model container [2019-01-12 07:48:02,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:48:02" (1/1) ... [2019-01-12 07:48:02,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:48:02,472 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:48:02,632 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:48:02,641 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:48:02,661 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:48:02,678 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:48:02,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02 WrapperNode [2019-01-12 07:48:02,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:48:02,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:48:02,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:48:02,680 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:48:02,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02" (1/1) ... [2019-01-12 07:48:02,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02" (1/1) ... [2019-01-12 07:48:02,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:48:02,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:48:02,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:48:02,721 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:48:02,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02" (1/1) ... [2019-01-12 07:48:02,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02" (1/1) ... [2019-01-12 07:48:02,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02" (1/1) ... [2019-01-12 07:48:02,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02" (1/1) ... [2019-01-12 07:48:02,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02" (1/1) ... [2019-01-12 07:48:02,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02" (1/1) ... [2019-01-12 07:48:02,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02" (1/1) ... [2019-01-12 07:48:02,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:48:02,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:48:02,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:48:02,743 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:48:02,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02" (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 07:48:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:48:02,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:48:03,096 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:48:03,097 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-12 07:48:03,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:48:03 BoogieIcfgContainer [2019-01-12 07:48:03,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:48:03,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:48:03,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:48:03,103 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:48:03,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:48:02" (1/3) ... [2019-01-12 07:48:03,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382b41f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:48:03, skipping insertion in model container [2019-01-12 07:48:03,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:02" (2/3) ... [2019-01-12 07:48:03,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382b41f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:48:03, skipping insertion in model container [2019-01-12 07:48:03,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:48:03" (3/3) ... [2019-01-12 07:48:03,106 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_8_true-unreach-call_true-termination.i [2019-01-12 07:48:03,116 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:48:03,124 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:48:03,142 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:48:03,174 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:48:03,174 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:48:03,175 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:48:03,175 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:48:03,175 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:48:03,175 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:48:03,175 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:48:03,175 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:48:03,176 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:48:03,191 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-01-12 07:48:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-12 07:48:03,196 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:48:03,197 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-12 07:48:03,199 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:48:03,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:48:03,207 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-01-12 07:48:03,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 07:48:03,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 07:48:03,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:48:03,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:48:03,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:48:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:48:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:48:03,310 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 07:48:03,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:48:03 BoogieIcfgContainer [2019-01-12 07:48:03,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:48:03,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:48:03,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:48:03,328 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:48:03,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:48:03" (3/4) ... [2019-01-12 07:48:03,333 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 07:48:03,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:48:03,334 INFO L168 Benchmark]: Toolchain (without parser) took 898.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:48:03,336 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 07:48:03,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.68 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 07:48:03,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.15 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 07:48:03,339 INFO L168 Benchmark]: Boogie Preprocessor took 21.76 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 07:48:03,339 INFO L168 Benchmark]: RCFGBuilder took 355.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:48:03,341 INFO L168 Benchmark]: TraceAbstraction took 228.25 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-01-12 07:48:03,341 INFO L168 Benchmark]: Witness Printer took 5.02 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 07:48:03,346 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 241.68 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 41.15 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 21.76 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. * RCFGBuilder took 355.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 228.25 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.02 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; [L13] COND TRUE !(result <= 2.0f && result >= -2.0f) [L14] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 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=8occurred 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, 3 NumberOfCodeBlocks, 3 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 07:48:05,714 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:48:05,717 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:48:05,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:48:05,739 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:48:05,741 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:48:05,742 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:48:05,744 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:48:05,746 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:48:05,747 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:48:05,748 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:48:05,748 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:48:05,749 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:48:05,750 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:48:05,751 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:48:05,752 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:48:05,753 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:48:05,755 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:48:05,757 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:48:05,758 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:48:05,762 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:48:05,765 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:48:05,771 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:48:05,771 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:48:05,772 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:48:05,773 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:48:05,776 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:48:05,777 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:48:05,778 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:48:05,779 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:48:05,779 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:48:05,785 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:48:05,786 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:48:05,786 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:48:05,788 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:48:05,789 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:48:05,789 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 07:48:05,820 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:48:05,821 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:48:05,822 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:48:05,822 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:48:05,822 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:48:05,822 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:48:05,823 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:48:05,824 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:48:05,824 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:48:05,824 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:48:05,824 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:48:05,825 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:48:05,825 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 07:48:05,825 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 07:48:05,825 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:48:05,825 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:48:05,825 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:48:05,826 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:48:05,826 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:48:05,826 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:48:05,826 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:48:05,826 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:48:05,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:48:05,827 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:48:05,827 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:48:05,827 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:48:05,827 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 07:48:05,827 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:48:05,828 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 07:48:05,829 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 07:48:05,830 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 -> 66f3053ae91dd747e7b211a5258ddd70b4c376e2 [2019-01-12 07:48:05,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:48:05,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:48:05,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:48:05,903 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:48:05,903 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:48:05,904 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/sine_8_true-unreach-call_true-termination.i [2019-01-12 07:48:05,968 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d29e1bbdc/0227f6fedc9c4c06b9c97c543aa7df92/FLAG61b8227a3 [2019-01-12 07:48:06,435 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:48:06,436 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/sine_8_true-unreach-call_true-termination.i [2019-01-12 07:48:06,441 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d29e1bbdc/0227f6fedc9c4c06b9c97c543aa7df92/FLAG61b8227a3 [2019-01-12 07:48:06,779 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d29e1bbdc/0227f6fedc9c4c06b9c97c543aa7df92 [2019-01-12 07:48:06,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:48:06,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:48:06,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:48:06,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:48:06,790 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:48:06,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:48:06" (1/1) ... [2019-01-12 07:48:06,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f785cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:06, skipping insertion in model container [2019-01-12 07:48:06,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:48:06" (1/1) ... [2019-01-12 07:48:06,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:48:06,821 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:48:07,006 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:48:07,021 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:48:07,051 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:48:07,074 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:48:07,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:07 WrapperNode [2019-01-12 07:48:07,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:48:07,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:48:07,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:48:07,076 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:48:07,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:07" (1/1) ... [2019-01-12 07:48:07,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:07" (1/1) ... [2019-01-12 07:48:07,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:48:07,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:48:07,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:48:07,125 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:48:07,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:07" (1/1) ... [2019-01-12 07:48:07,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:07" (1/1) ... [2019-01-12 07:48:07,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:07" (1/1) ... [2019-01-12 07:48:07,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:07" (1/1) ... [2019-01-12 07:48:07,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:07" (1/1) ... [2019-01-12 07:48:07,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:07" (1/1) ... [2019-01-12 07:48:07,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:07" (1/1) ... [2019-01-12 07:48:07,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:48:07,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:48:07,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:48:07,163 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:48:07,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:07" (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 07:48:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:48:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:48:10,057 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:48:10,057 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-12 07:48:10,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:48:10 BoogieIcfgContainer [2019-01-12 07:48:10,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:48:10,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:48:10,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:48:10,062 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:48:10,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:48:06" (1/3) ... [2019-01-12 07:48:10,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689d7f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:48:10, skipping insertion in model container [2019-01-12 07:48:10,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:48:07" (2/3) ... [2019-01-12 07:48:10,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689d7f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:48:10, skipping insertion in model container [2019-01-12 07:48:10,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:48:10" (3/3) ... [2019-01-12 07:48:10,066 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_8_true-unreach-call_true-termination.i [2019-01-12 07:48:10,075 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:48:10,082 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:48:10,097 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:48:10,125 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:48:10,126 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:48:10,126 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:48:10,127 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:48:10,127 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:48:10,127 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:48:10,127 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:48:10,128 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:48:10,128 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:48:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-01-12 07:48:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-12 07:48:10,149 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:48:10,150 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-12 07:48:10,152 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:48:10,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:48:10,158 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-01-12 07:48:10,163 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:48:10,164 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 07:48:10,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:54:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:54:53,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:54:56,457 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) c_ULTIMATE.start_main_~result~0) (fp.lt ULTIMATE.start_main_~IN~0 .cse2) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse2))))) is different from false [2019-01-12 07:54:58,997 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) c_ULTIMATE.start_main_~result~0) (fp.lt ULTIMATE.start_main_~IN~0 .cse2) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse2))))) is different from true [2019-01-12 07:55:15,242 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (fp.lt ULTIMATE.start_main_~IN~0 .cse0) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse0)) (not (fp.geq (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse2 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse2 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 2.0))))))) (exists ((v_prenex_2 (_ FloatingPoint 8 24))) (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (not (fp.leq (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven v_prenex_2 v_prenex_2) v_prenex_2))) (let ((.cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 v_prenex_2) v_prenex_2))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven v_prenex_2 (fp.div roundNearestTiesToEven .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 v_prenex_2) v_prenex_2) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) ((_ to_fp 8 24) roundNearestTiesToEven 2.0))) (fp.lt v_prenex_2 .cse5) (fp.gt v_prenex_2 (fp.neg .cse5)))))) is different from false [2019-01-12 07:55:17,815 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (fp.lt ULTIMATE.start_main_~IN~0 .cse0) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse0)) (not (fp.geq (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse2 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse2 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 2.0))))))) (exists ((v_prenex_2 (_ FloatingPoint 8 24))) (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (not (fp.leq (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven v_prenex_2 v_prenex_2) v_prenex_2))) (let ((.cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 v_prenex_2) v_prenex_2))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven v_prenex_2 (fp.div roundNearestTiesToEven .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 v_prenex_2) v_prenex_2) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) ((_ to_fp 8 24) roundNearestTiesToEven 2.0))) (fp.lt v_prenex_2 .cse5) (fp.gt v_prenex_2 (fp.neg .cse5)))))) is different from true [2019-01-12 07:55:17,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:55:17,822 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:55:17,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:55:17,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:55:17,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 07:55:17,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 07:55:17,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=1, Unknown=4, NotChecked=2, Total=12 [2019-01-12 07:55:17,884 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2019-01-12 07:55:17,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:55:17,903 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-01-12 07:55:17,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 07:55:17,905 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-01-12 07:55:17,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:55:17,914 INFO L225 Difference]: With dead ends: 13 [2019-01-12 07:55:17,914 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 07:55:17,917 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=5, Invalid=1, Unknown=4, NotChecked=2, Total=12 [2019-01-12 07:55:17,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 07:55:17,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 07:55:17,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 07:55:17,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 07:55:17,940 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-01-12 07:55:17,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:55:17,940 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 07:55:17,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 07:55:17,941 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 07:55:17,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 07:55:17,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 07:55:18,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 07:55:18,000 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 07:55:18,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 07:55:18,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 07:55:18,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2019-01-12 07:55:18,002 INFO L451 ceAbstractionStarter]: At program point L16(lines 4 17) the Hoare annotation is: true [2019-01-12 07:55:18,002 INFO L448 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2019-01-12 07:55:18,002 INFO L448 ceAbstractionStarter]: For program point L13(lines 13 14) no Hoare annotation was computed. [2019-01-12 07:55:18,003 INFO L448 ceAbstractionStarter]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2019-01-12 07:55:18,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:55:18 BoogieIcfgContainer [2019-01-12 07:55:18,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:55:18,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:55:18,010 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:55:18,010 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:55:18,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:48:10" (3/4) ... [2019-01-12 07:55:18,016 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 07:55:18,027 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-12 07:55:18,028 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 07:55:18,028 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 07:55:18,064 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 07:55:18,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:55:18,066 INFO L168 Benchmark]: Toolchain (without parser) took 431282.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:18,068 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 07:55:18,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.73 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:18,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.06 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:55:18,070 INFO L168 Benchmark]: Boogie Preprocessor took 36.83 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:18,071 INFO L168 Benchmark]: RCFGBuilder took 2896.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -209.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:18,074 INFO L168 Benchmark]: TraceAbstraction took 427950.14 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: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:18,075 INFO L168 Benchmark]: Witness Printer took 55.15 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: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:18,081 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 289.73 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 49.06 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.83 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2896.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -209.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 427950.14 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: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Witness Printer took 55.15 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: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 14]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. SAFE Result, 427.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 403.2s SatisfiabilityAnalysisTime, 24.3s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 2 QuantifiedInterpolants, 711 SizeOfPredicates, 3 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...