./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_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/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 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_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/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 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 [2018-10-26 21:31:38,391 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:31:38,393 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:31:38,403 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:31:38,403 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:31:38,404 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:31:38,405 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:31:38,410 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:31:38,411 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:31:38,412 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:31:38,412 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:31:38,412 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:31:38,413 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:31:38,423 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:31:38,424 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:31:38,424 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:31:38,427 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:31:38,429 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:31:38,430 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:31:38,431 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:31:38,432 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:31:38,433 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:31:38,437 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:31:38,437 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:31:38,437 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:31:38,438 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:31:38,439 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:31:38,440 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:31:38,440 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:31:38,441 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:31:38,441 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:31:38,442 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:31:38,442 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:31:38,443 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:31:38,443 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:31:38,444 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:31:38,444 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:31:38,455 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:31:38,455 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:31:38,456 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:31:38,456 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:31:38,456 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:31:38,456 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:31:38,456 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:31:38,456 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:31:38,457 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:31:38,457 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:31:38,457 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:31:38,457 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:31:38,457 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:31:38,458 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:31:38,459 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:31:38,459 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:31:38,459 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:31:38,459 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:31:38,460 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:31:38,460 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:31:38,460 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:31:38,460 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:31:38,460 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:31:38,460 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:31:38,460 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:31:38,461 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:31:38,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:31:38,461 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:31:38,461 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:31:38,461 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:31:38,461 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:31:38,461 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:31:38,462 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:31:38,462 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:31:38,462 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_11c79cfc-a892-4cce-952b-55650469faf2/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 -> 681fb6d62502cf59ef295360f3a46fc8f0826056 [2018-10-26 21:31:38,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:31:38,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:31:38,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:31:38,501 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:31:38,502 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:31:38,503 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-10-26 21:31:38,547 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/data/684b802ce/2e3fb840cc794660b81565180a3742e8/FLAG530a74ef4 [2018-10-26 21:31:38,882 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:31:38,882 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-10-26 21:31:38,888 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/data/684b802ce/2e3fb840cc794660b81565180a3742e8/FLAG530a74ef4 [2018-10-26 21:31:38,900 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/data/684b802ce/2e3fb840cc794660b81565180a3742e8 [2018-10-26 21:31:38,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:31:38,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:31:38,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:31:38,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:31:38,908 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:31:38,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:31:38" (1/1) ... [2018-10-26 21:31:38,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250b1434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:38, skipping insertion in model container [2018-10-26 21:31:38,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:31:38" (1/1) ... [2018-10-26 21:31:38,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:31:38,930 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:31:39,046 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:31:39,049 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:31:39,062 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:31:39,071 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:31:39,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:39 WrapperNode [2018-10-26 21:31:39,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:31:39,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:31:39,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:31:39,072 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:31:39,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:39" (1/1) ... [2018-10-26 21:31:39,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:39" (1/1) ... [2018-10-26 21:31:39,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:31:39,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:31:39,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:31:39,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:31:39,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:39" (1/1) ... [2018-10-26 21:31:39,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:39" (1/1) ... [2018-10-26 21:31:39,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:39" (1/1) ... [2018-10-26 21:31:39,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:39" (1/1) ... [2018-10-26 21:31:39,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:39" (1/1) ... [2018-10-26 21:31:39,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:39" (1/1) ... [2018-10-26 21:31:39,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:39" (1/1) ... [2018-10-26 21:31:39,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:31:39,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:31:39,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:31:39,105 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:31:39,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/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 21:31:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:31:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:31:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-10-26 21:31:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-10-26 21:31:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:31:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:31:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:31:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:31:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-10-26 21:31:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-10-26 21:31:39,477 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:31:39,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:31:39 BoogieIcfgContainer [2018-10-26 21:31:39,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:31:39,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:31:39,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:31:39,481 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:31:39,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:31:38" (1/3) ... [2018-10-26 21:31:39,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4379f9b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:31:39, skipping insertion in model container [2018-10-26 21:31:39,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:39" (2/3) ... [2018-10-26 21:31:39,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4379f9b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:31:39, skipping insertion in model container [2018-10-26 21:31:39,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:31:39" (3/3) ... [2018-10-26 21:31:39,485 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_6_false-unreach-call_true-termination.i [2018-10-26 21:31:39,495 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:31:39,501 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:31:39,515 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:31:39,542 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:31:39,542 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:31:39,542 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:31:39,543 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:31:39,543 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:31:39,543 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:31:39,543 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:31:39,543 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:31:39,560 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-10-26 21:31:39,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:31:39,566 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:31:39,567 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:31:39,569 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:31:39,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:31:39,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1511824848, now seen corresponding path program 1 times [2018-10-26 21:31:39,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:31:39,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:31:39,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:31:39,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:31:39,651 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:31:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:31:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:31:39,706 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:31:39,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:31:39 BoogieIcfgContainer [2018-10-26 21:31:39,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:31:39,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:31:39,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:31:39,729 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:31:39,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:31:39" (3/4) ... [2018-10-26 21:31:39,734 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:31:39,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:31:39,735 INFO L168 Benchmark]: Toolchain (without parser) took 832.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:31:39,737 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:31:39,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.15 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:31:39,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.62 ms. Allocated memory is still 1.0 GB. Free memory is still 947.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:31:39,739 INFO L168 Benchmark]: Boogie Preprocessor took 15.34 ms. Allocated memory is still 1.0 GB. Free memory was 947.2 MB in the beginning and 944.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:31:39,741 INFO L168 Benchmark]: RCFGBuilder took 372.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:31:39,741 INFO L168 Benchmark]: TraceAbstraction took 250.73 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:31:39,742 INFO L168 Benchmark]: Witness Printer took 5.62 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 21:31:39,746 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.15 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.2 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 17.62 ms. Allocated memory is still 1.0 GB. Free memory is still 947.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.34 ms. Allocated memory is still 1.0 GB. Free memory was 947.2 MB in the beginning and 944.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 372.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 250.73 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.62 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 [2018-10-26 21:31:41,641 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:31:41,643 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:31:41,652 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:31:41,652 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:31:41,653 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:31:41,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:31:41,655 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:31:41,657 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:31:41,658 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:31:41,658 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:31:41,659 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:31:41,659 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:31:41,660 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:31:41,661 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:31:41,662 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:31:41,662 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:31:41,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:31:41,665 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:31:41,666 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:31:41,667 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:31:41,668 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:31:41,670 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:31:41,671 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:31:41,671 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:31:41,672 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:31:41,672 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:31:41,673 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:31:41,674 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:31:41,675 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:31:41,675 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:31:41,675 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:31:41,676 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:31:41,676 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:31:41,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:31:41,677 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:31:41,677 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 21:31:41,689 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:31:41,689 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:31:41,690 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:31:41,690 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:31:41,690 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:31:41,690 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:31:41,690 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:31:41,691 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:31:41,691 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:31:41,692 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:31:41,692 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:31:41,692 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:31:41,692 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:31:41,692 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:31:41,692 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:31:41,693 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:31:41,693 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:31:41,693 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:31:41,693 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:31:41,693 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:31:41,693 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:31:41,694 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:31:41,694 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:31:41,694 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:31:41,694 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:31:41,694 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:31:41,694 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:31:41,694 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:31:41,695 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:31:41,695 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:31:41,695 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:31:41,695 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:31:41,695 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_11c79cfc-a892-4cce-952b-55650469faf2/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 -> 681fb6d62502cf59ef295360f3a46fc8f0826056 [2018-10-26 21:31:41,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:31:41,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:31:41,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:31:41,745 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:31:41,745 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:31:41,746 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-10-26 21:31:41,800 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/data/b81c1ccf3/5dace676ff9f478796e1bc4bd55775b4/FLAG1a33f5e04 [2018-10-26 21:31:42,168 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:31:42,169 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/sv-benchmarks/c/floats-cdfpl/newton_1_6_false-unreach-call_true-termination.i [2018-10-26 21:31:42,175 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/data/b81c1ccf3/5dace676ff9f478796e1bc4bd55775b4/FLAG1a33f5e04 [2018-10-26 21:31:42,187 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/data/b81c1ccf3/5dace676ff9f478796e1bc4bd55775b4 [2018-10-26 21:31:42,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:31:42,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:31:42,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:31:42,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:31:42,201 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:31:42,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:31:42" (1/1) ... [2018-10-26 21:31:42,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1083a206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42, skipping insertion in model container [2018-10-26 21:31:42,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:31:42" (1/1) ... [2018-10-26 21:31:42,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:31:42,235 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:31:42,393 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:31:42,397 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:31:42,417 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:31:42,433 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:31:42,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42 WrapperNode [2018-10-26 21:31:42,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:31:42,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:31:42,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:31:42,435 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:31:42,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42" (1/1) ... [2018-10-26 21:31:42,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42" (1/1) ... [2018-10-26 21:31:42,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:31:42,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:31:42,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:31:42,457 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:31:42,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42" (1/1) ... [2018-10-26 21:31:42,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42" (1/1) ... [2018-10-26 21:31:42,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42" (1/1) ... [2018-10-26 21:31:42,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42" (1/1) ... [2018-10-26 21:31:42,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42" (1/1) ... [2018-10-26 21:31:42,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42" (1/1) ... [2018-10-26 21:31:42,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42" (1/1) ... [2018-10-26 21:31:42,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:31:42,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:31:42,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:31:42,488 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:31:42,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/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 21:31:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:31:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:31:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-10-26 21:31:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-10-26 21:31:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:31:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:31:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:31:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:31:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-10-26 21:31:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-10-26 21:31:48,219 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:31:48,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:31:48 BoogieIcfgContainer [2018-10-26 21:31:48,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:31:48,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:31:48,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:31:48,224 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:31:48,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:31:42" (1/3) ... [2018-10-26 21:31:48,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77455f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:31:48, skipping insertion in model container [2018-10-26 21:31:48,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:31:42" (2/3) ... [2018-10-26 21:31:48,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77455f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:31:48, skipping insertion in model container [2018-10-26 21:31:48,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:31:48" (3/3) ... [2018-10-26 21:31:48,229 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_6_false-unreach-call_true-termination.i [2018-10-26 21:31:48,238 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:31:48,244 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:31:48,262 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:31:48,291 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:31:48,292 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:31:48,292 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:31:48,292 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:31:48,292 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:31:48,293 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:31:48,293 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:31:48,293 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:31:48,293 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:31:48,307 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-10-26 21:31:48,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:31:48,312 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:31:48,313 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:31:48,317 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:31:48,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:31:48,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1511824848, now seen corresponding path program 1 times [2018-10-26 21:31:48,326 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 21:31:48,326 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/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 21:31:48,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:31:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:31:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:31:56,104 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:31:56,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:31:56 BoogieIcfgContainer [2018-10-26 21:31:56,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:31:56,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:31:56,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:31:56,144 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:31:56,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:31:48" (3/4) ... [2018-10-26 21:31:56,147 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 21:31:56,192 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_11c79cfc-a892-4cce-952b-55650469faf2/bin-2019/utaipan/witness.graphml [2018-10-26 21:31:56,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:31:56,193 INFO L168 Benchmark]: Toolchain (without parser) took 14001.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:31:56,195 INFO L168 Benchmark]: CDTParser took 0.27 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 21:31:56,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.39 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:31:56,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.79 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:31:56,196 INFO L168 Benchmark]: Boogie Preprocessor took 30.37 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:31:56,196 INFO L168 Benchmark]: RCFGBuilder took 5732.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:31:56,197 INFO L168 Benchmark]: TraceAbstraction took 7921.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:31:56,197 INFO L168 Benchmark]: Witness Printer took 49.40 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 21:31:56,201 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 241.39 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 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 21.79 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.37 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 5732.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7921.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Witness Printer took 49.40 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)=-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, 7.8s 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, 4.6s 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...