./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e 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/newton_1_8_false-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 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d ............................................................................................................................................................................................................................................ 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/newton_1_8_false-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 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d ............................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 17:35:42,589 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:35:42,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:35:42,604 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:35:42,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:35:42,605 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:35:42,607 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:35:42,608 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:35:42,610 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:35:42,611 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:35:42,612 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:35:42,612 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:35:42,613 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:35:42,614 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:35:42,615 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:35:42,616 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:35:42,617 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:35:42,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:35:42,622 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:35:42,623 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:35:42,625 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:35:42,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:35:42,632 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:35:42,632 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:35:42,632 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:35:42,633 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:35:42,637 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:35:42,638 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:35:42,642 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:35:42,645 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:35:42,645 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:35:42,646 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:35:42,647 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:35:42,648 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:35:42,649 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:35:42,650 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:35:42,650 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:35:42,676 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:35:42,676 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:35:42,677 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:35:42,677 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:35:42,681 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:35:42,682 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:35:42,682 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:35:42,682 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:35:42,682 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:35:42,683 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:35:42,683 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:35:42,683 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:35:42,683 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:35:42,683 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:35:42,683 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:35:42,684 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:35:42,684 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:35:42,684 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:35:42,684 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:35:42,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:35:42,686 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:35:42,686 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:35:42,686 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:35:42,686 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:35:42,687 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:35:42,688 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:35:42,688 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:35:42,688 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:35:42,688 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:35:42,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:35:42,688 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 -> 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d [2018-11-28 17:35:42,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:35:42,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:35:42,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:35:42,759 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:35:42,760 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:35:42,761 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2018-11-28 17:35:42,823 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb22ee1a/5aa8203a716b4317897439b81aa21c87/FLAG820c871c4 [2018-11-28 17:35:43,304 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:35:43,305 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2018-11-28 17:35:43,311 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb22ee1a/5aa8203a716b4317897439b81aa21c87/FLAG820c871c4 [2018-11-28 17:35:43,663 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb22ee1a/5aa8203a716b4317897439b81aa21c87 [2018-11-28 17:35:43,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:35:43,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:35:43,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:35:43,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:35:43,676 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:35:43,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:35:43" (1/1) ... [2018-11-28 17:35:43,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c61a9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43, skipping insertion in model container [2018-11-28 17:35:43,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:35:43" (1/1) ... [2018-11-28 17:35:43,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:35:43,714 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:35:43,914 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:35:43,919 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:35:43,941 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:35:43,954 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:35:43,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43 WrapperNode [2018-11-28 17:35:43,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:35:43,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:35:43,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:35:43,957 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:35:43,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43" (1/1) ... [2018-11-28 17:35:43,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43" (1/1) ... [2018-11-28 17:35:43,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:35:43,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:35:43,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:35:43,986 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:35:43,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43" (1/1) ... [2018-11-28 17:35:43,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43" (1/1) ... [2018-11-28 17:35:43,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43" (1/1) ... [2018-11-28 17:35:44,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43" (1/1) ... [2018-11-28 17:35:44,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43" (1/1) ... [2018-11-28 17:35:44,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43" (1/1) ... [2018-11-28 17:35:44,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43" (1/1) ... [2018-11-28 17:35:44,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:35:44,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:35:44,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:35:44,026 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:35:44,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43" (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 [2018-11-28 17:35:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:35:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:35:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 17:35:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 17:35:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:35:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:35:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-28 17:35:44,160 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-28 17:35:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:35:44,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:35:44,470 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:35:44,470 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 17:35:44,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:35:44 BoogieIcfgContainer [2018-11-28 17:35:44,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:35:44,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:35:44,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:35:44,476 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:35:44,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:35:43" (1/3) ... [2018-11-28 17:35:44,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56917a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:35:44, skipping insertion in model container [2018-11-28 17:35:44,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:43" (2/3) ... [2018-11-28 17:35:44,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56917a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:35:44, skipping insertion in model container [2018-11-28 17:35:44,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:35:44" (3/3) ... [2018-11-28 17:35:44,479 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_8_false-unreach-call_true-termination.i [2018-11-28 17:35:44,487 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:35:44,493 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:35:44,509 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:35:44,541 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:35:44,542 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:35:44,542 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:35:44,542 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:35:44,543 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:35:44,543 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:35:44,543 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:35:44,543 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:35:44,543 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:35:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-28 17:35:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 17:35:44,569 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:35:44,570 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:35:44,573 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:35:44,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:35:44,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-11-28 17:35:44,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:35:44,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:35:44,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:35:44,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:35:44,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:35:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:35:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:35:44,704 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:35:44,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:35:44 BoogieIcfgContainer [2018-11-28 17:35:44,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:35:44,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:35:44,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:35:44,734 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:35:44,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:35:44" (3/4) ... [2018-11-28 17:35:44,738 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 17:35:44,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:35:44,738 INFO L168 Benchmark]: Toolchain (without parser) took 1069.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:35:44,741 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:35:44,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.39 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 931.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:35:44,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.89 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:35:44,743 INFO L168 Benchmark]: Boogie Preprocessor took 40.54 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:35:44,743 INFO L168 Benchmark]: RCFGBuilder took 445.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:35:44,745 INFO L168 Benchmark]: TraceAbstraction took 260.43 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:35:44,746 INFO L168 Benchmark]: Witness Printer took 4.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:35:44,751 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.39 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 931.2 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 27.89 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.54 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 445.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 260.43 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 19. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=2] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=2, x=2] [L19] RET, EXPR f(IN) VAL [f(IN)=1, IN=2] [L19] CALL, EXPR fp(IN) VAL [\old(x)=2] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2, x=2] [L19] RET, EXPR fp(IN) VAL [f(IN)=1, fp(IN)=0, IN=2] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=2] [L28] __VERIFIER_error() VAL [IN=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 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=22occurred 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, 16 NumberOfCodeBlocks, 16 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 0.1.24-91b1670 [2018-11-28 17:35:46,994 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:35:46,996 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:35:47,008 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:35:47,008 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:35:47,009 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:35:47,011 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:35:47,013 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:35:47,015 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:35:47,015 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:35:47,016 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:35:47,017 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:35:47,018 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:35:47,019 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:35:47,020 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:35:47,021 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:35:47,022 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:35:47,024 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:35:47,026 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:35:47,028 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:35:47,029 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:35:47,030 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:35:47,033 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:35:47,033 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:35:47,033 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:35:47,034 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:35:47,035 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:35:47,036 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:35:47,037 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:35:47,038 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:35:47,038 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:35:47,039 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:35:47,039 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:35:47,039 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:35:47,041 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:35:47,041 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:35:47,042 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 17:35:47,059 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:35:47,060 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:35:47,061 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:35:47,064 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:35:47,065 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:35:47,065 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:35:47,065 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:35:47,065 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:35:47,065 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:35:47,066 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:35:47,067 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:35:47,067 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:35:47,068 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:35:47,068 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:35:47,068 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 17:35:47,069 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 17:35:47,069 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:35:47,069 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:35:47,069 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:35:47,069 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:35:47,070 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:35:47,070 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:35:47,070 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:35:47,070 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:35:47,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:35:47,070 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:35:47,073 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:35:47,073 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:35:47,073 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 17:35:47,073 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:35:47,074 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 17:35:47,074 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 17:35:47,075 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 -> 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d [2018-11-28 17:35:47,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:35:47,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:35:47,139 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:35:47,140 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:35:47,141 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:35:47,142 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2018-11-28 17:35:47,196 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/220fb58fb/c803c45ed6094083a993888392c0999a/FLAG7f574c363 [2018-11-28 17:35:47,632 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:35:47,632 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2018-11-28 17:35:47,637 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/220fb58fb/c803c45ed6094083a993888392c0999a/FLAG7f574c363 [2018-11-28 17:35:48,011 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/220fb58fb/c803c45ed6094083a993888392c0999a [2018-11-28 17:35:48,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:35:48,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:35:48,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:35:48,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:35:48,022 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:35:48,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:35:48" (1/1) ... [2018-11-28 17:35:48,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e78fa9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48, skipping insertion in model container [2018-11-28 17:35:48,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:35:48" (1/1) ... [2018-11-28 17:35:48,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:35:48,054 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:35:48,255 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:35:48,264 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:35:48,297 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:35:48,315 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:35:48,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48 WrapperNode [2018-11-28 17:35:48,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:35:48,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:35:48,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:35:48,317 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:35:48,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48" (1/1) ... [2018-11-28 17:35:48,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48" (1/1) ... [2018-11-28 17:35:48,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:35:48,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:35:48,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:35:48,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:35:48,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48" (1/1) ... [2018-11-28 17:35:48,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48" (1/1) ... [2018-11-28 17:35:48,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48" (1/1) ... [2018-11-28 17:35:48,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48" (1/1) ... [2018-11-28 17:35:48,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48" (1/1) ... [2018-11-28 17:35:48,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48" (1/1) ... [2018-11-28 17:35:48,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48" (1/1) ... [2018-11-28 17:35:48,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:35:48,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:35:48,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:35:48,368 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:35:48,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48" (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 [2018-11-28 17:35:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:35:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:35:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 17:35:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 17:35:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:35:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:35:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-28 17:35:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-28 17:35:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:35:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:35:54,289 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:35:54,290 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 17:35:54,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:35:54 BoogieIcfgContainer [2018-11-28 17:35:54,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:35:54,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:35:54,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:35:54,296 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:35:54,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:35:48" (1/3) ... [2018-11-28 17:35:54,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2040a836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:35:54, skipping insertion in model container [2018-11-28 17:35:54,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:48" (2/3) ... [2018-11-28 17:35:54,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2040a836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:35:54, skipping insertion in model container [2018-11-28 17:35:54,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:35:54" (3/3) ... [2018-11-28 17:35:54,301 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_8_false-unreach-call_true-termination.i [2018-11-28 17:35:54,314 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:35:54,323 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:35:54,338 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:35:54,371 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:35:54,372 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:35:54,372 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:35:54,372 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:35:54,373 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:35:54,373 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:35:54,373 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:35:54,374 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:35:54,374 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:35:54,396 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-28 17:35:54,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 17:35:54,403 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:35:54,404 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:35:54,407 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:35:54,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:35:54,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-11-28 17:35:54,417 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:35:54,418 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 [2018-11-28 17:35:54,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:35:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:36:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:36:02,823 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:36:02,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:36:02 BoogieIcfgContainer [2018-11-28 17:36:02,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:36:02,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:36:02,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:36:02,860 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:36:02,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:35:54" (3/4) ... [2018-11-28 17:36:02,864 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 17:36:02,914 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:36:02,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:36:02,915 INFO L168 Benchmark]: Toolchain (without parser) took 14900.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -140.4 MB). Peak memory consumption was 634.6 kB. Max. memory is 11.5 GB. [2018-11-28 17:36:02,918 INFO L168 Benchmark]: CDTParser took 0.28 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. [2018-11-28 17:36:02,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.47 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:36:02,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.53 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:36:02,920 INFO L168 Benchmark]: Boogie Preprocessor took 26.54 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 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. [2018-11-28 17:36:02,921 INFO L168 Benchmark]: RCFGBuilder took 5923.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-28 17:36:02,921 INFO L168 Benchmark]: TraceAbstraction took 8567.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:36:02,923 INFO L168 Benchmark]: Witness Printer took 54.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:36:02,928 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 298.47 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 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 23.53 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.54 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 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 5923.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8567.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Witness Printer took 54.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=-0.6464809775352478] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-0.6464809775352478, \result=-0.6023998856544495, x=-0.6464809775352478] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.6023998856544495, IN=-0.6464809775352478] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-0.6464809775352478] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.6464809775352478, \result=0.7984105944633484, x=-0.6464809775352478] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.6023998856544495, fp(IN)=0.7984105944633484, IN=-0.6464809775352478] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=-0.6464809775352478, x=0.10801786184310913] [L28] __VERIFIER_error() VAL [IN=-0.6464809775352478, x=0.10801786184310913] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 8.4s 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=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...