./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_7_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_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f .................................................................................................................................................................................................................................................................... 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_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f ........................................................................................................................................................................................................................................................... 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 [2018-10-26 23:35:48,091 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:35:48,092 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:35:48,102 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:35:48,102 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:35:48,103 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:35:48,104 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:35:48,106 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:35:48,108 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:35:48,108 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:35:48,109 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:35:48,109 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:35:48,110 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:35:48,111 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:35:48,112 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:35:48,113 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:35:48,114 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:35:48,115 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:35:48,116 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:35:48,118 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:35:48,119 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:35:48,120 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:35:48,122 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:35:48,122 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:35:48,123 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:35:48,123 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:35:48,124 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:35:48,125 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:35:48,125 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:35:48,127 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:35:48,127 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:35:48,128 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:35:48,128 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:35:48,128 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:35:48,129 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:35:48,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:35:48,130 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 23:35:48,142 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:35:48,142 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:35:48,143 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:35:48,143 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:35:48,143 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:35:48,143 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:35:48,143 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:35:48,144 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:35:48,144 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:35:48,144 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:35:48,144 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:35:48,145 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:35:48,145 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:35:48,145 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:35:48,145 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:35:48,145 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:35:48,145 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:35:48,145 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:35:48,146 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:35:48,146 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:35:48,146 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:35:48,148 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:35:48,148 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:35:48,148 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:35:48,148 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:35:48,149 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:35:48,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:35:48,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:35:48,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:35:48,149 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:35:48,149 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:35:48,150 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:35:48,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:35:48,150 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:35:48,150 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan 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 -> Taipan 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 -> aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f [2018-10-26 23:35:48,179 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:35:48,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:35:48,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:35:48,193 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:35:48,193 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:35:48,194 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-10-26 23:35:48,240 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/data/b2ebb3fdf/fcf6e6f7020e407c9fbab4828e65c348/FLAGa4d4f4da3 [2018-10-26 23:35:48,621 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:35:48,622 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-10-26 23:35:48,627 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/data/b2ebb3fdf/fcf6e6f7020e407c9fbab4828e65c348/FLAGa4d4f4da3 [2018-10-26 23:35:48,637 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/data/b2ebb3fdf/fcf6e6f7020e407c9fbab4828e65c348 [2018-10-26 23:35:48,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:35:48,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:35:48,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:35:48,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:35:48,648 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:35:48,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:35:48" (1/1) ... [2018-10-26 23:35:48,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608de32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48, skipping insertion in model container [2018-10-26 23:35:48,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:35:48" (1/1) ... [2018-10-26 23:35:48,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:35:48,686 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:35:48,817 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:35:48,820 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:35:48,837 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:35:48,849 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:35:48,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48 WrapperNode [2018-10-26 23:35:48,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:35:48,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:35:48,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:35:48,851 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:35:48,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48" (1/1) ... [2018-10-26 23:35:48,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48" (1/1) ... [2018-10-26 23:35:48,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:35:48,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:35:48,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:35:48,870 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:35:48,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48" (1/1) ... [2018-10-26 23:35:48,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48" (1/1) ... [2018-10-26 23:35:48,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48" (1/1) ... [2018-10-26 23:35:48,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48" (1/1) ... [2018-10-26 23:35:48,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48" (1/1) ... [2018-10-26 23:35:48,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48" (1/1) ... [2018-10-26 23:35:48,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48" (1/1) ... [2018-10-26 23:35:48,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:35:48,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:35:48,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:35:48,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:35:48,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/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 [2018-10-26 23:35:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:35:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:35:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-10-26 23:35:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-10-26 23:35:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:35:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:35:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:35:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:35:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-10-26 23:35:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-10-26 23:35:49,357 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:35:49,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:35:49 BoogieIcfgContainer [2018-10-26 23:35:49,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:35:49,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:35:49,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:35:49,362 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:35:49,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:35:48" (1/3) ... [2018-10-26 23:35:49,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48751271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:35:49, skipping insertion in model container [2018-10-26 23:35:49,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:48" (2/3) ... [2018-10-26 23:35:49,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48751271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:35:49, skipping insertion in model container [2018-10-26 23:35:49,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:35:49" (3/3) ... [2018-10-26 23:35:49,366 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_7_false-unreach-call_true-termination.i [2018-10-26 23:35:49,376 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:35:49,382 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:35:49,398 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:35:49,441 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:35:49,441 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:35:49,441 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:35:49,442 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:35:49,442 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:35:49,442 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:35:49,443 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:35:49,443 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:35:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-10-26 23:35:49,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 23:35:49,487 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:35:49,488 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:35:49,498 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:35:49,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:49,504 INFO L82 PathProgramCache]: Analyzing trace with hash 460512481, now seen corresponding path program 1 times [2018-10-26 23:35:49,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:35:49,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:49,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:35:49,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:49,556 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:35:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:35:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:35:49,643 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 23:35:49,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:35:49 BoogieIcfgContainer [2018-10-26 23:35:49,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:35:49,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:35:49,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:35:49,677 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:35:49,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:35:49" (3/4) ... [2018-10-26 23:35:49,682 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 23:35:49,682 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:35:49,685 INFO L168 Benchmark]: Toolchain (without parser) took 1044.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:35:49,687 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:35:49,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.58 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 949.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:35:49,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.37 ms. Allocated memory is still 1.0 GB. Free memory is still 949.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:35:49,691 INFO L168 Benchmark]: Boogie Preprocessor took 17.01 ms. Allocated memory is still 1.0 GB. Free memory was 949.9 MB in the beginning and 947.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:35:49,692 INFO L168 Benchmark]: RCFGBuilder took 471.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -197.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:35:49,694 INFO L168 Benchmark]: TraceAbstraction took 317.81 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:35:49,695 INFO L168 Benchmark]: Witness Printer took 4.77 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. [2018-10-26 23:35:49,698 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 208.58 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 949.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.37 ms. Allocated memory is still 1.0 GB. Free memory is still 949.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.01 ms. Allocated memory is still 1.0 GB. Free memory was 949.9 MB in the beginning and 947.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 471.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -197.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 317.81 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.77 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 21. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=5] [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)=5, x=5] [L19] EXPR f(IN) VAL [f(IN)=4, IN=5] [L19] CALL, EXPR fp(IN) VAL [\old(x)=5] [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)=5, x=5] [L19] EXPR fp(IN) VAL [f(IN)=4, fp(IN)=1, IN=5] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) 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] [L21] EXPR f(x) VAL [f(x)=3, IN=5, x=2] [L21] CALL, EXPR fp(x) 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] [L21] EXPR fp(x) VAL [f(x)=3, fp(x)=0, IN=5, x=2] [L21] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=5] [L28] __VERIFIER_error() VAL [IN=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 25 NumberOfCodeBlocks, 25 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 [2018-10-26 23:35:51,666 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:35:51,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:35:51,677 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:35:51,678 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:35:51,679 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:35:51,680 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:35:51,681 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:35:51,682 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:35:51,683 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:35:51,684 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:35:51,684 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:35:51,685 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:35:51,685 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:35:51,687 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:35:51,687 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:35:51,688 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:35:51,689 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:35:51,691 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:35:51,693 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:35:51,693 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:35:51,695 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:35:51,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:35:51,697 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:35:51,697 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:35:51,698 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:35:51,699 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:35:51,700 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:35:51,700 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:35:51,701 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:35:51,701 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:35:51,702 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:35:51,702 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:35:51,702 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:35:51,703 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:35:51,704 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:35:51,704 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 23:35:51,716 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:35:51,717 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:35:51,717 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:35:51,717 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:35:51,718 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:35:51,718 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:35:51,718 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:35:51,718 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:35:51,719 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:35:51,719 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:35:51,719 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:35:51,719 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:35:51,719 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:35:51,719 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:35:51,719 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:35:51,720 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 23:35:51,720 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 23:35:51,720 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:35:51,720 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:35:51,720 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:35:51,720 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:35:51,721 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:35:51,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:35:51,721 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:35:51,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:35:51,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:35:51,721 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:35:51,721 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:35:51,722 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 23:35:51,722 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:35:51,725 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 23:35:51,725 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 23:35:51,725 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_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan 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 -> Taipan 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 -> aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f [2018-10-26 23:35:51,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:35:51,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:35:51,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:35:51,773 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:35:51,774 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:35:51,775 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-10-26 23:35:51,824 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/data/d720c52b2/4f8106999d8749fa8d9485fa8bcf5a81/FLAG515f29603 [2018-10-26 23:35:52,254 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:35:52,256 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/sv-benchmarks/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-10-26 23:35:52,261 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/data/d720c52b2/4f8106999d8749fa8d9485fa8bcf5a81/FLAG515f29603 [2018-10-26 23:35:52,281 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/data/d720c52b2/4f8106999d8749fa8d9485fa8bcf5a81 [2018-10-26 23:35:52,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:35:52,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:35:52,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:35:52,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:35:52,296 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:35:52,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:35:52" (1/1) ... [2018-10-26 23:35:52,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7968fe36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52, skipping insertion in model container [2018-10-26 23:35:52,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:35:52" (1/1) ... [2018-10-26 23:35:52,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:35:52,336 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:35:52,493 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:35:52,500 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:35:52,518 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:35:52,530 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:35:52,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52 WrapperNode [2018-10-26 23:35:52,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:35:52,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:35:52,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:35:52,531 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:35:52,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52" (1/1) ... [2018-10-26 23:35:52,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52" (1/1) ... [2018-10-26 23:35:52,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:35:52,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:35:52,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:35:52,554 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:35:52,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52" (1/1) ... [2018-10-26 23:35:52,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52" (1/1) ... [2018-10-26 23:35:52,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52" (1/1) ... [2018-10-26 23:35:52,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52" (1/1) ... [2018-10-26 23:35:52,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52" (1/1) ... [2018-10-26 23:35:52,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52" (1/1) ... [2018-10-26 23:35:52,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52" (1/1) ... [2018-10-26 23:35:52,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:35:52,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:35:52,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:35:52,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:35:52,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/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 [2018-10-26 23:35:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:35:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:35:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-10-26 23:35:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-10-26 23:35:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:35:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:35:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:35:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:35:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-10-26 23:35:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-10-26 23:36:00,922 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:36:00,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:36:00 BoogieIcfgContainer [2018-10-26 23:36:00,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:36:00,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:36:00,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:36:00,928 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:36:00,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:35:52" (1/3) ... [2018-10-26 23:36:00,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad81118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:36:00, skipping insertion in model container [2018-10-26 23:36:00,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:52" (2/3) ... [2018-10-26 23:36:00,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad81118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:36:00, skipping insertion in model container [2018-10-26 23:36:00,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:36:00" (3/3) ... [2018-10-26 23:36:00,933 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_7_false-unreach-call_true-termination.i [2018-10-26 23:36:00,943 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:36:00,950 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:36:00,966 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:36:00,994 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 23:36:00,994 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:36:00,995 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:36:00,995 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:36:00,995 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:36:00,996 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:36:00,996 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:36:00,996 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:36:00,996 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:36:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-10-26 23:36:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 23:36:01,019 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:36:01,020 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:36:01,022 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:36:01,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:36:01,027 INFO L82 PathProgramCache]: Analyzing trace with hash 460512481, now seen corresponding path program 1 times [2018-10-26 23:36:01,030 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:36:01,031 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/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 [2018-10-26 23:36:01,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:39:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:39:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:39:29,943 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 23:39:29,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:39:29 BoogieIcfgContainer [2018-10-26 23:39:29,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:39:29,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:39:29,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:39:29,986 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:39:29,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:36:00" (3/4) ... [2018-10-26 23:39:29,989 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 23:39:30,036 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_091dc606-e5ab-430b-ac39-fdb3912e463c/bin-2019/utaipan/witness.graphml [2018-10-26 23:39:30,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:39:30,037 INFO L168 Benchmark]: Toolchain (without parser) took 217749.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:39:30,039 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-26 23:39:30,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.98 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:39:30,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.49 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:39:30,040 INFO L168 Benchmark]: Boogie Preprocessor took 22.38 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:39:30,040 INFO L168 Benchmark]: RCFGBuilder took 8346.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:39:30,041 INFO L168 Benchmark]: TraceAbstraction took 209061.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:39:30,041 INFO L168 Benchmark]: Witness Printer took 51.04 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. [2018-10-26 23:39:30,044 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 240.98 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.2 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 22.49 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.38 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 8346.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 209061.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 51.04 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: - 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)=-1.2567400932312012] [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)=-1.2567400932312012, \result=-0.9530318975448608, x=-1.2567400932312012] [L19] EXPR f(IN) VAL [f(IN)=-0.9530318975448608, IN=-1.2567400932312012] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-1.2567400932312012] [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)=-1.2567400932312012, \result=0.31971120834350586, x=-1.2567400932312012] [L19] EXPR fp(IN) VAL [f(IN)=-0.9530318975448608, fp(IN)=0.31971120834350586, IN=-1.2567400932312012] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=1.7241747379302979] [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)=1.7241747379302979, \result=1.0058742761611938, x=1.7241747379302979] [L21] EXPR f(x) VAL [f(x)=1.0058742761611938, IN=-1.2567400932312012, x=1.7241747379302979] [L21] CALL, EXPR fp(x) VAL [\old(x)=1.7241747379302979] [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)=1.7241747379302979, \result=-0.08167530596256256, x=1.7241747379302979] [L21] EXPR fp(x) VAL [f(x)=1.0058742761611938, fp(x)=-0.08167530596256256, IN=-1.2567400932312012, x=1.7241747379302979] [L21] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=-1.2567400932312012, x=14.03969955444336] [L28] __VERIFIER_error() VAL [IN=-1.2567400932312012, x=14.03969955444336] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. UNSAFE Result, 208.9s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 188.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 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...