./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80e6cba3a638c96413a46f146860cf66cd7d52ab ....................................................................................................................................................................................................................................................... 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_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80e6cba3a638c96413a46f146860cf66cd7d52ab ........................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 13:35:53,910 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:35:53,911 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:35:53,918 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:35:53,918 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:35:53,919 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:35:53,920 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:35:53,921 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:35:53,923 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:35:53,923 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:35:53,924 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:35:53,924 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:35:53,925 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:35:53,925 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:35:53,926 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:35:53,927 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:35:53,927 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:35:53,929 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:35:53,930 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:35:53,932 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:35:53,932 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:35:53,933 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:35:53,935 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:35:53,935 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:35:53,935 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:35:53,936 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:35:53,937 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:35:53,938 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:35:53,938 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:35:53,939 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:35:53,939 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:35:53,940 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:35:53,940 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:35:53,940 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:35:53,941 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:35:53,941 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:35:53,942 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:35:53,952 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:35:53,952 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:35:53,953 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:35:53,953 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:35:53,953 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:35:53,953 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:35:53,953 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:35:53,954 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:35:53,954 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:35:53,954 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:35:53,954 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:35:53,954 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:35:53,954 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:35:53,955 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:35:53,955 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:35:53,955 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:35:53,955 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:35:53,955 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:35:53,955 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:35:53,955 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:35:53,956 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:35:53,956 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:35:53,956 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:35:53,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:35:53,956 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:35:53,956 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:35:53,956 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:35:53,957 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:35:53,957 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:35:53,957 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:35:53,957 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_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80e6cba3a638c96413a46f146860cf66cd7d52ab [2018-11-28 13:35:53,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:35:53,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:35:53,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:35:53,994 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:35:53,995 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:35:53,995 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-11-28 13:35:54,034 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/data/f6381c48a/e691f0ad88cc4081a2441ec2a4460d53/FLAG5f7556899 [2018-11-28 13:35:54,334 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:35:54,334 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-11-28 13:35:54,338 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/data/f6381c48a/e691f0ad88cc4081a2441ec2a4460d53/FLAG5f7556899 [2018-11-28 13:35:54,348 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/data/f6381c48a/e691f0ad88cc4081a2441ec2a4460d53 [2018-11-28 13:35:54,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:35:54,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:35:54,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:35:54,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:35:54,355 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:35:54,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:35:54" (1/1) ... [2018-11-28 13:35:54,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13220c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54, skipping insertion in model container [2018-11-28 13:35:54,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:35:54" (1/1) ... [2018-11-28 13:35:54,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:35:54,372 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:35:54,474 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:35:54,477 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:35:54,487 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:35:54,498 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:35:54,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54 WrapperNode [2018-11-28 13:35:54,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:35:54,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:35:54,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:35:54,499 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:35:54,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54" (1/1) ... [2018-11-28 13:35:54,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54" (1/1) ... [2018-11-28 13:35:54,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:35:54,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:35:54,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:35:54,511 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:35:54,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54" (1/1) ... [2018-11-28 13:35:54,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54" (1/1) ... [2018-11-28 13:35:54,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54" (1/1) ... [2018-11-28 13:35:54,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54" (1/1) ... [2018-11-28 13:35:54,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54" (1/1) ... [2018-11-28 13:35:54,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54" (1/1) ... [2018-11-28 13:35:54,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54" (1/1) ... [2018-11-28 13:35:54,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:35:54,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:35:54,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:35:54,523 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:35:54,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:35:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:35:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:35:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 13:35:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 13:35:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:35:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:35:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-28 13:35:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-28 13:35:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:35:54,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:35:54,680 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:35:54,680 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 13:35:54,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:35:54 BoogieIcfgContainer [2018-11-28 13:35:54,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:35:54,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:35:54,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:35:54,684 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:35:54,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:35:54" (1/3) ... [2018-11-28 13:35:54,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d57d7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:35:54, skipping insertion in model container [2018-11-28 13:35:54,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:54" (2/3) ... [2018-11-28 13:35:54,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d57d7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:35:54, skipping insertion in model container [2018-11-28 13:35:54,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:35:54" (3/3) ... [2018-11-28 13:35:54,686 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_4_false-unreach-call_true-termination.i [2018-11-28 13:35:54,692 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:35:54,696 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:35:54,706 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:35:54,723 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:35:54,724 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:35:54,724 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:35:54,724 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:35:54,724 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:35:54,724 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:35:54,724 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:35:54,724 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:35:54,724 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:35:54,739 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-28 13:35:54,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 13:35:54,743 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:54,744 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:54,745 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:54,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:54,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-11-28 13:35:54,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:54,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:54,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:54,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:54,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:35:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:35:54,825 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:35:54,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:35:54 BoogieIcfgContainer [2018-11-28 13:35:54,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:35:54,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:35:54,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:35:54,840 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:35:54,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:35:54" (3/4) ... [2018-11-28 13:35:54,843 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:35:54,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:35:54,843 INFO L168 Benchmark]: Toolchain (without parser) took 492.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:35:54,845 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:35:54,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.98 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:54,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.28 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:35:54,846 INFO L168 Benchmark]: Boogie Preprocessor took 11.59 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:54,846 INFO L168 Benchmark]: RCFGBuilder took 157.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:54,847 INFO L168 Benchmark]: TraceAbstraction took 158.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:54,847 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:35:54,849 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.98 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.28 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.59 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 157.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 158.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.13 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] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=2, x=2] [L19] RET, EXPR f(IN) VAL [f(IN)=1, IN=2] [L19] CALL, EXPR fp(IN) VAL [\old(x)=2] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2, x=2] [L19] RET, EXPR fp(IN) VAL [f(IN)=1, fp(IN)=0, IN=2] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=2] [L28] __VERIFIER_error() VAL [IN=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:35:56,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:35:56,300 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:35:56,306 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:35:56,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:35:56,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:35:56,308 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:35:56,309 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:35:56,310 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:35:56,311 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:35:56,311 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:35:56,311 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:35:56,312 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:35:56,312 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:35:56,313 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:35:56,314 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:35:56,314 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:35:56,315 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:35:56,317 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:35:56,318 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:35:56,319 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:35:56,319 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:35:56,321 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:35:56,321 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:35:56,321 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:35:56,322 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:35:56,323 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:35:56,323 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:35:56,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:35:56,325 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:35:56,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:35:56,325 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:35:56,325 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:35:56,326 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:35:56,326 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:35:56,327 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:35:56,327 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 13:35:56,337 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:35:56,337 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:35:56,338 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:35:56,338 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:35:56,339 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:35:56,339 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:35:56,339 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:35:56,339 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:35:56,339 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:35:56,339 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:35:56,339 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:35:56,340 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:35:56,340 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:35:56,340 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:35:56,340 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 13:35:56,340 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 13:35:56,340 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:35:56,340 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:35:56,341 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:35:56,341 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:35:56,341 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:35:56,341 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:35:56,341 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:35:56,341 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:35:56,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:35:56,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:35:56,342 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:35:56,342 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:35:56,342 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 13:35:56,342 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:35:56,342 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 13:35:56,342 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 13:35:56,343 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_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80e6cba3a638c96413a46f146860cf66cd7d52ab [2018-11-28 13:35:56,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:35:56,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:35:56,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:35:56,382 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:35:56,382 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:35:56,383 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-11-28 13:35:56,427 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/data/fd8548a5e/be84897ec6d44ab39a1d955b7c348b2e/FLAGedbe71ef9 [2018-11-28 13:35:56,809 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:35:56,809 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-11-28 13:35:56,813 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/data/fd8548a5e/be84897ec6d44ab39a1d955b7c348b2e/FLAGedbe71ef9 [2018-11-28 13:35:56,821 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/data/fd8548a5e/be84897ec6d44ab39a1d955b7c348b2e [2018-11-28 13:35:56,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:35:56,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:35:56,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:35:56,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:35:56,827 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:35:56,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:35:56" (1/1) ... [2018-11-28 13:35:56,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b188df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56, skipping insertion in model container [2018-11-28 13:35:56,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:35:56" (1/1) ... [2018-11-28 13:35:56,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:35:56,844 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:35:56,946 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:35:56,950 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:35:56,964 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:35:56,974 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:35:56,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56 WrapperNode [2018-11-28 13:35:56,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:35:56,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:35:56,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:35:56,975 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:35:56,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56" (1/1) ... [2018-11-28 13:35:56,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56" (1/1) ... [2018-11-28 13:35:56,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:35:56,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:35:56,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:35:56,991 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:35:56,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56" (1/1) ... [2018-11-28 13:35:56,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56" (1/1) ... [2018-11-28 13:35:56,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56" (1/1) ... [2018-11-28 13:35:56,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56" (1/1) ... [2018-11-28 13:35:57,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56" (1/1) ... [2018-11-28 13:35:57,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56" (1/1) ... [2018-11-28 13:35:57,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56" (1/1) ... [2018-11-28 13:35:57,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:35:57,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:35:57,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:35:57,011 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:35:57,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:35:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:35:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:35:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 13:35:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 13:35:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:35:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:35:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-28 13:35:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-28 13:35:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:35:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:36:02,986 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:36:02,986 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 13:36:02,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:36:02 BoogieIcfgContainer [2018-11-28 13:36:02,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:36:02,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:36:02,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:36:02,990 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:36:02,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:35:56" (1/3) ... [2018-11-28 13:36:02,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efc6476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:36:02, skipping insertion in model container [2018-11-28 13:36:02,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:56" (2/3) ... [2018-11-28 13:36:02,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efc6476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:36:02, skipping insertion in model container [2018-11-28 13:36:02,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:36:02" (3/3) ... [2018-11-28 13:36:02,993 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_4_false-unreach-call_true-termination.i [2018-11-28 13:36:03,001 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:36:03,007 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:36:03,016 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:36:03,037 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:36:03,037 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:36:03,037 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:36:03,038 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:36:03,038 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:36:03,038 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:36:03,038 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:36:03,038 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:36:03,038 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:36:03,052 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-28 13:36:03,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 13:36:03,056 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:03,057 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:36:03,058 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:36:03,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:03,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-11-28 13:36:03,064 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:36:03,064 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 13:36:03,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:36:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:36:17,656 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:36:17,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:36:17 BoogieIcfgContainer [2018-11-28 13:36:17,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:36:17,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:36:17,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:36:17,681 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:36:17,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:36:02" (3/4) ... [2018-11-28 13:36:17,682 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 13:36:17,711 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3d5ab9b4-2e6c-4f3e-ba48-a4f16255a6f1/bin-2019/uautomizer/witness.graphml [2018-11-28 13:36:17,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:36:17,712 INFO L168 Benchmark]: Toolchain (without parser) took 20887.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:36:17,712 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:36:17,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.58 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:17,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.48 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:36:17,714 INFO L168 Benchmark]: Boogie Preprocessor took 19.51 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:17,714 INFO L168 Benchmark]: RCFGBuilder took 5976.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -207.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:17,714 INFO L168 Benchmark]: TraceAbstraction took 14692.98 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: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:17,715 INFO L168 Benchmark]: Witness Printer took 30.77 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. [2018-11-28 13:36:17,717 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 149.58 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.48 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.51 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5976.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -207.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14692.98 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: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Witness Printer took 30.77 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: - 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)=-0.6982148289680481] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-0.6982148289680481, \result=-0.64288330078125, x=-0.6982148289680481] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.64288330078125, IN=-0.6982148289680481] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-0.6982148289680481] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.6982148289680481, \result=0.7663114070892334, x=-0.6982148289680481] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.64288330078125, fp(IN)=0.7663114070892334, IN=-0.6982148289680481] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=-0.6982148289680481, x=0.14071732759475708] [L28] __VERIFIER_error() VAL [IN=-0.6982148289680481, x=0.14071732759475708] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 14.6s 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, 9.2s 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...