./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 681fb6d62502cf59ef295360f3a46fc8f0826056 .............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 681fb6d62502cf59ef295360f3a46fc8f0826056 ................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:14:59,309 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:14:59,310 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:14:59,316 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:14:59,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:14:59,317 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:14:59,318 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:14:59,319 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:14:59,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:14:59,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:14:59,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:14:59,322 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:14:59,322 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:14:59,323 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:14:59,323 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:14:59,324 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:14:59,324 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:14:59,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:14:59,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:14:59,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:14:59,328 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:14:59,329 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:14:59,331 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:14:59,331 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:14:59,331 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:14:59,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:14:59,332 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:14:59,332 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:14:59,333 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:14:59,333 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:14:59,334 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:14:59,334 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:14:59,334 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:14:59,334 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:14:59,335 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:14:59,335 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:14:59,335 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 03:14:59,342 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:14:59,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:14:59,343 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:14:59,343 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:14:59,344 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:14:59,344 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:14:59,344 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:14:59,344 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:14:59,344 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:14:59,344 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:14:59,344 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:14:59,345 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:14:59,345 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:14:59,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:14:59,345 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:14:59,345 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:14:59,345 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:14:59,345 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:14:59,345 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:14:59,346 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:14:59,346 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:14:59,346 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:14:59,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:14:59,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:14:59,346 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:14:59,346 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:14:59,346 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 03:14:59,347 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:14:59,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:14:59,347 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 681fb6d62502cf59ef295360f3a46fc8f0826056 [2018-11-10 03:14:59,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:14:59,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:14:59,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:14:59,383 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:14:59,383 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:14:59,384 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-11-10 03:14:59,427 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/data/e15cdfbe1/c9d516f0658f4e0b987c25a83db20000/FLAGc67fc43d4 [2018-11-10 03:14:59,729 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:14:59,730 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-11-10 03:14:59,733 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/data/e15cdfbe1/c9d516f0658f4e0b987c25a83db20000/FLAGc67fc43d4 [2018-11-10 03:14:59,744 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/data/e15cdfbe1/c9d516f0658f4e0b987c25a83db20000 [2018-11-10 03:14:59,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:14:59,748 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 03:14:59,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:14:59,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:14:59,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:14:59,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:14:59" (1/1) ... [2018-11-10 03:14:59,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46673125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:59, skipping insertion in model container [2018-11-10 03:14:59,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:14:59" (1/1) ... [2018-11-10 03:14:59,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:14:59,779 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:14:59,888 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:14:59,890 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:14:59,903 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:14:59,911 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:14:59,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:59 WrapperNode [2018-11-10 03:14:59,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:14:59,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:14:59,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:14:59,912 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:14:59,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:59" (1/1) ... [2018-11-10 03:14:59,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:59" (1/1) ... [2018-11-10 03:14:59,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:59" (1/1) ... [2018-11-10 03:14:59,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:59" (1/1) ... [2018-11-10 03:14:59,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:59" (1/1) ... [2018-11-10 03:14:59,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:59" (1/1) ... [2018-11-10 03:14:59,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:59" (1/1) ... [2018-11-10 03:14:59,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:14:59,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:14:59,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:14:59,928 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:14:59,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:14:59,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:14:59,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:14:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-10 03:14:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-10 03:14:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:14:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 03:14:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 03:14:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 03:14:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-10 03:14:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-10 03:14:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:14:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:14:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:15:00,082 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:15:00,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:15:00 BoogieIcfgContainer [2018-11-10 03:15:00,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:15:00,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:15:00,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:15:00,085 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:15:00,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:14:59" (1/3) ... [2018-11-10 03:15:00,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6e41d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:15:00, skipping insertion in model container [2018-11-10 03:15:00,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:59" (2/3) ... [2018-11-10 03:15:00,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6e41d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:15:00, skipping insertion in model container [2018-11-10 03:15:00,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:15:00" (3/3) ... [2018-11-10 03:15:00,087 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_6_false-unreach-call_true-termination.i [2018-11-10 03:15:00,094 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:15:00,099 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:15:00,108 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:15:00,127 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:15:00,127 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:15:00,127 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:15:00,128 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:15:00,128 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:15:00,128 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:15:00,128 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:15:00,128 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:15:00,128 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:15:00,139 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-10 03:15:00,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:15:00,143 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:15:00,144 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:15:00,146 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:15:00,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:15:00,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-11-10 03:15:00,151 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:15:00,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:15:00,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:15:00,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:15:00,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:15:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:15:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:15:00,221 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 03:15:00,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:15:00 BoogieIcfgContainer [2018-11-10 03:15:00,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:15:00,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:15:00,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:15:00,237 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:15:00,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:15:00" (3/4) ... [2018-11-10 03:15:00,240 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 03:15:00,240 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:15:00,240 INFO L168 Benchmark]: Toolchain (without parser) took 493.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:15:00,242 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:15:00,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.02 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 03:15:00,243 INFO L168 Benchmark]: Boogie Preprocessor took 15.70 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:15:00,244 INFO L168 Benchmark]: RCFGBuilder took 154.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:15:00,244 INFO L168 Benchmark]: TraceAbstraction took 153.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:15:00,245 INFO L168 Benchmark]: Witness Printer took 3.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:15:00,247 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.02 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.70 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 154.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 153.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.52 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: 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] RET 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] EXPR f(IN) VAL [f(IN)=1, IN=2] [L19] CALL, EXPR fp(IN) VAL [\old(x)=2] [L11] RET 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] 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 0.1.23-1dbac8b [2018-11-10 03:15:01,680 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:15:01,681 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:15:01,690 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:15:01,690 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:15:01,690 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:15:01,691 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:15:01,692 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:15:01,693 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:15:01,694 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:15:01,694 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:15:01,695 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:15:01,695 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:15:01,696 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:15:01,697 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:15:01,697 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:15:01,698 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:15:01,699 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:15:01,700 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:15:01,701 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:15:01,702 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:15:01,703 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:15:01,704 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:15:01,704 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:15:01,705 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:15:01,705 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:15:01,706 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:15:01,706 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:15:01,707 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:15:01,708 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:15:01,708 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:15:01,708 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:15:01,708 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:15:01,708 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:15:01,709 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:15:01,710 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:15:01,710 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 03:15:01,720 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:15:01,720 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:15:01,721 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:15:01,721 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:15:01,721 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:15:01,721 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:15:01,721 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:15:01,722 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:15:01,722 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:15:01,722 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:15:01,722 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:15:01,722 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:15:01,722 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:15:01,722 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:15:01,723 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 03:15:01,723 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 03:15:01,723 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:15:01,723 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:15:01,723 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:15:01,723 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:15:01,723 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:15:01,723 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:15:01,724 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:15:01,724 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:15:01,724 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:15:01,724 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:15:01,724 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:15:01,724 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 03:15:01,724 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:15:01,725 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 03:15:01,725 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 03:15:01,725 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 681fb6d62502cf59ef295360f3a46fc8f0826056 [2018-11-10 03:15:01,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:15:01,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:15:01,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:15:01,764 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:15:01,764 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:15:01,764 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-11-10 03:15:01,802 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/data/3f25f8ab6/877316176c354c2f83daf5c5f1b68d96/FLAGeaf3ffe88 [2018-11-10 03:15:02,189 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:15:02,190 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-11-10 03:15:02,193 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/data/3f25f8ab6/877316176c354c2f83daf5c5f1b68d96/FLAGeaf3ffe88 [2018-11-10 03:15:02,202 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/data/3f25f8ab6/877316176c354c2f83daf5c5f1b68d96 [2018-11-10 03:15:02,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:15:02,204 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 03:15:02,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:15:02,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:15:02,208 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:15:02,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:15:02" (1/1) ... [2018-11-10 03:15:02,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412f3dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:02, skipping insertion in model container [2018-11-10 03:15:02,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:15:02" (1/1) ... [2018-11-10 03:15:02,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:15:02,232 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:15:02,347 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:15:02,351 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:15:02,364 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:15:02,374 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:15:02,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:02 WrapperNode [2018-11-10 03:15:02,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:15:02,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:15:02,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:15:02,375 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:15:02,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:02" (1/1) ... [2018-11-10 03:15:02,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:02" (1/1) ... [2018-11-10 03:15:02,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:02" (1/1) ... [2018-11-10 03:15:02,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:02" (1/1) ... [2018-11-10 03:15:02,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:02" (1/1) ... [2018-11-10 03:15:02,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:02" (1/1) ... [2018-11-10 03:15:02,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:02" (1/1) ... [2018-11-10 03:15:02,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:15:02,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:15:02,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:15:02,397 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:15:02,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:15:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:15:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:15:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-10 03:15:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-10 03:15:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:15:02,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 03:15:02,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 03:15:02,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 03:15:02,443 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-10 03:15:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-10 03:15:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:15:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:15:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:15:07,810 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:15:07,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:15:07 BoogieIcfgContainer [2018-11-10 03:15:07,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:15:07,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:15:07,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:15:07,813 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:15:07,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:15:02" (1/3) ... [2018-11-10 03:15:07,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe2e756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:15:07, skipping insertion in model container [2018-11-10 03:15:07,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:02" (2/3) ... [2018-11-10 03:15:07,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe2e756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:15:07, skipping insertion in model container [2018-11-10 03:15:07,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:15:07" (3/3) ... [2018-11-10 03:15:07,819 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_6_false-unreach-call_true-termination.i [2018-11-10 03:15:07,828 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:15:07,834 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:15:07,846 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:15:07,863 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:15:07,864 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:15:07,864 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:15:07,864 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:15:07,864 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:15:07,864 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:15:07,864 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:15:07,864 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:15:07,865 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:15:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-10 03:15:07,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:15:07,884 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:15:07,884 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:15:07,886 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:15:07,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:15:07,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-11-10 03:15:07,892 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:15:07,892 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 03:15:07,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:15:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:15:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:15:15,135 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 03:15:15,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:15:15 BoogieIcfgContainer [2018-11-10 03:15:15,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:15:15,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:15:15,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:15:15,156 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:15:15,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:15:07" (3/4) ... [2018-11-10 03:15:15,158 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 03:15:15,187 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_febcc9d8-a739-4b8d-ab3a-319d985593ad/bin-2019/uautomizer/witness.graphml [2018-11-10 03:15:15,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:15:15,188 INFO L168 Benchmark]: Toolchain (without parser) took 12984.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 223.9 kB. Max. memory is 11.5 GB. [2018-11-10 03:15:15,189 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:15:15,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.05 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:15:15,190 INFO L168 Benchmark]: Boogie Preprocessor took 21.31 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:15:15,190 INFO L168 Benchmark]: RCFGBuilder took 5413.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:15:15,191 INFO L168 Benchmark]: TraceAbstraction took 7344.08 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:15:15,191 INFO L168 Benchmark]: Witness Printer took 32.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:15:15,193 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.05 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.31 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5413.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7344.08 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Witness Printer took 32.11 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)=-0.7896420359611511] [L6] RET 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)=-0.7896420359611511, \result=-0.7101768851280212, x=-0.7896420359611511] [L19] EXPR f(IN) VAL [f(IN)=-0.7101768851280212, IN=-0.7896420359611511] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-0.7896420359611511] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.7896420359611511, \result=0.7047692537307739, x=-0.7896420359611511] [L19] EXPR fp(IN) VAL [f(IN)=-0.7101768851280212, fp(IN)=0.7047692537307739, IN=-0.7896420359611511] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=-0.7896420359611511, x=0.2180308699607849] [L28] __VERIFIER_error() VAL [IN=-0.7896420359611511, x=0.2180308699607849] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 7.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 4.4s 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...