./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/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 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d ........................................................................................................................................................................................................................................................... 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_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/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 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d ......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:22:41,593 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:22:41,594 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:22:41,600 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:22:41,600 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:22:41,600 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:22:41,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:22:41,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:22:41,603 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:22:41,603 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:22:41,604 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:22:41,604 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:22:41,604 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:22:41,605 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:22:41,605 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:22:41,606 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:22:41,606 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:22:41,607 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:22:41,608 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:22:41,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:22:41,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:22:41,610 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:22:41,611 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:22:41,611 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:22:41,611 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:22:41,611 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:22:41,612 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:22:41,612 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:22:41,613 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:22:41,613 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:22:41,613 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:22:41,614 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:22:41,614 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:22:41,614 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:22:41,614 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:22:41,615 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:22:41,615 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 16:22:41,622 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:22:41,622 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:22:41,623 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:22:41,623 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:22:41,623 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:22:41,623 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:22:41,623 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:22:41,623 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 16:22:41,623 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:22:41,623 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:22:41,623 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 16:22:41,623 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 16:22:41,623 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:22:41,624 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:22:41,624 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:22:41,624 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:22:41,624 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:22:41,624 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:22:41,624 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:22:41,624 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:22:41,624 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:22:41,624 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:22:41,625 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:22:41,625 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:22:41,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:22:41,625 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:22:41,625 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:22:41,625 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:22:41,625 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:22:41,625 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:22:41,625 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:22:41,625 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:22:41,625 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 16:22:41,626 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:22:41,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:22:41,626 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 16:22:41,626 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_8a40fee7-aba4-4262-b9a1-cb55eb02342f/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 -> 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d [2018-12-09 16:22:41,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:22:41,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:22:41,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:22:41,652 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:22:41,652 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:22:41,653 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2018-12-09 16:22:41,687 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/data/fadc61221/7a0fb2ce0d4d4dec9c5a7dd89b42d484/FLAG41ca749f1 [2018-12-09 16:22:42,029 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:22:42,030 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2018-12-09 16:22:42,033 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/data/fadc61221/7a0fb2ce0d4d4dec9c5a7dd89b42d484/FLAG41ca749f1 [2018-12-09 16:22:42,416 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/data/fadc61221/7a0fb2ce0d4d4dec9c5a7dd89b42d484 [2018-12-09 16:22:42,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:22:42,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:22:42,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:22:42,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:22:42,423 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:22:42,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:42" (1/1) ... [2018-12-09 16:22:42,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d10e54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42, skipping insertion in model container [2018-12-09 16:22:42,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:42" (1/1) ... [2018-12-09 16:22:42,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:22:42,443 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:22:42,545 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:22:42,547 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:22:42,559 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:22:42,568 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:22:42,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42 WrapperNode [2018-12-09 16:22:42,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:22:42,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:22:42,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:22:42,569 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:22:42,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42" (1/1) ... [2018-12-09 16:22:42,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42" (1/1) ... [2018-12-09 16:22:42,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:22:42,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:22:42,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:22:42,582 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:22:42,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42" (1/1) ... [2018-12-09 16:22:42,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42" (1/1) ... [2018-12-09 16:22:42,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42" (1/1) ... [2018-12-09 16:22:42,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42" (1/1) ... [2018-12-09 16:22:42,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42" (1/1) ... [2018-12-09 16:22:42,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42" (1/1) ... [2018-12-09 16:22:42,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42" (1/1) ... [2018-12-09 16:22:42,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:22:42,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:22:42,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:22:42,595 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:22:42,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/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 [2018-12-09 16:22:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:22:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:22:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 16:22:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 16:22:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:22:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:22:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-09 16:22:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-09 16:22:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:22:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:22:42,729 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:22:42,730 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 16:22:42,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:42 BoogieIcfgContainer [2018-12-09 16:22:42,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:22:42,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:22:42,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:22:42,733 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:22:42,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:22:42" (1/3) ... [2018-12-09 16:22:42,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54188286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:22:42, skipping insertion in model container [2018-12-09 16:22:42,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:42" (2/3) ... [2018-12-09 16:22:42,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54188286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:22:42, skipping insertion in model container [2018-12-09 16:22:42,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:42" (3/3) ... [2018-12-09 16:22:42,734 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_8_false-unreach-call_true-termination.i [2018-12-09 16:22:42,740 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:22:42,743 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 16:22:42,752 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 16:22:42,768 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:22:42,768 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:22:42,768 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:22:42,769 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:22:42,769 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:22:42,769 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:22:42,769 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:22:42,769 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:22:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-12-09 16:22:42,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 16:22:42,787 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:22:42,787 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:22:42,789 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:22:42,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:22:42,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-12-09 16:22:42,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:22:42,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:22:42,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:22:42,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:22:42,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:22:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:22:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:22:42,856 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 16:22:42,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:22:42 BoogieIcfgContainer [2018-12-09 16:22:42,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 16:22:42,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:22:42,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:22:42,870 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:22:42,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:42" (3/4) ... [2018-12-09 16:22:42,873 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 16:22:42,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:22:42,873 INFO L168 Benchmark]: Toolchain (without parser) took 454.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -115.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:22:42,874 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:22:42,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.57 ms. Allocated memory is still 1.0 GB. Free memory was 957.8 MB in the beginning and 947.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 16:22:42,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.72 ms. Allocated memory is still 1.0 GB. Free memory is still 947.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:22:42,875 INFO L168 Benchmark]: Boogie Preprocessor took 13.37 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 941.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:22:42,876 INFO L168 Benchmark]: RCFGBuilder took 135.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 941.7 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:22:42,876 INFO L168 Benchmark]: TraceAbstraction took 139.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 16:22:42,876 INFO L168 Benchmark]: Witness Printer took 2.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:22:42,878 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.57 ms. Allocated memory is still 1.0 GB. Free memory was 957.8 MB in the beginning and 947.0 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 12.72 ms. Allocated memory is still 1.0 GB. Free memory is still 947.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.37 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 941.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 135.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 941.7 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 139.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.63 ms. Allocated memory is still 1.1 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 0.1.23-635dfa2 [2018-12-09 16:22:44,163 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:22:44,164 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:22:44,172 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:22:44,172 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:22:44,173 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:22:44,174 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:22:44,175 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:22:44,176 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:22:44,176 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:22:44,177 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:22:44,177 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:22:44,177 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:22:44,178 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:22:44,179 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:22:44,179 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:22:44,180 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:22:44,181 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:22:44,182 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:22:44,183 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:22:44,184 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:22:44,185 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:22:44,186 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:22:44,187 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:22:44,187 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:22:44,188 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:22:44,188 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:22:44,189 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:22:44,189 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:22:44,190 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:22:44,190 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:22:44,191 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:22:44,191 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:22:44,191 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:22:44,192 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:22:44,192 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:22:44,192 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 16:22:44,203 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:22:44,203 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:22:44,204 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:22:44,204 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:22:44,204 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:22:44,204 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:22:44,204 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:22:44,204 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:22:44,204 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:22:44,204 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:22:44,205 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:22:44,205 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:22:44,205 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:22:44,205 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:22:44,205 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:22:44,205 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:22:44,206 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:22:44,206 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 16:22:44,206 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 16:22:44,206 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:22:44,206 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:22:44,206 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 16:22:44,206 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:22:44,206 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:22:44,207 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:22:44,207 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:22:44,207 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:22:44,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:22:44,207 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:22:44,207 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:22:44,207 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:22:44,207 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 16:22:44,207 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:22:44,207 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 16:22:44,207 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 16:22:44,207 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_8a40fee7-aba4-4262-b9a1-cb55eb02342f/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 -> 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d [2018-12-09 16:22:44,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:22:44,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:22:44,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:22:44,240 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:22:44,240 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:22:44,240 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2018-12-09 16:22:44,276 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/data/7aa342a59/7ba66ee6386b4349ba26fe8e94fd5507/FLAG98f247a65 [2018-12-09 16:22:44,673 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:22:44,673 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/sv-benchmarks/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2018-12-09 16:22:44,676 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/data/7aa342a59/7ba66ee6386b4349ba26fe8e94fd5507/FLAG98f247a65 [2018-12-09 16:22:44,684 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/data/7aa342a59/7ba66ee6386b4349ba26fe8e94fd5507 [2018-12-09 16:22:44,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:22:44,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:22:44,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:22:44,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:22:44,690 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:22:44,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:44" (1/1) ... [2018-12-09 16:22:44,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61af8d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44, skipping insertion in model container [2018-12-09 16:22:44,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:44" (1/1) ... [2018-12-09 16:22:44,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:22:44,705 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:22:44,793 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:22:44,796 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:22:44,807 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:22:44,815 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:22:44,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44 WrapperNode [2018-12-09 16:22:44,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:22:44,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:22:44,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:22:44,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:22:44,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44" (1/1) ... [2018-12-09 16:22:44,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44" (1/1) ... [2018-12-09 16:22:44,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:22:44,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:22:44,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:22:44,830 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:22:44,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44" (1/1) ... [2018-12-09 16:22:44,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44" (1/1) ... [2018-12-09 16:22:44,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44" (1/1) ... [2018-12-09 16:22:44,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44" (1/1) ... [2018-12-09 16:22:44,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44" (1/1) ... [2018-12-09 16:22:44,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44" (1/1) ... [2018-12-09 16:22:44,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44" (1/1) ... [2018-12-09 16:22:44,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:22:44,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:22:44,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:22:44,845 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:22:44,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/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 [2018-12-09 16:22:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:22:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:22:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 16:22:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 16:22:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:22:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:22:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-09 16:22:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-09 16:22:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:22:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:22:50,009 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:22:50,009 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 16:22:50,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:50 BoogieIcfgContainer [2018-12-09 16:22:50,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:22:50,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:22:50,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:22:50,012 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:22:50,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:22:44" (1/3) ... [2018-12-09 16:22:50,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f60a250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:22:50, skipping insertion in model container [2018-12-09 16:22:50,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:44" (2/3) ... [2018-12-09 16:22:50,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f60a250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:22:50, skipping insertion in model container [2018-12-09 16:22:50,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:50" (3/3) ... [2018-12-09 16:22:50,014 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_8_false-unreach-call_true-termination.i [2018-12-09 16:22:50,019 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:22:50,024 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 16:22:50,033 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 16:22:50,049 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 16:22:50,050 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:22:50,050 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:22:50,050 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:22:50,050 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:22:50,050 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:22:50,050 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:22:50,051 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:22:50,051 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:22:50,060 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-12-09 16:22:50,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 16:22:50,063 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:22:50,064 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:22:50,065 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:22:50,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:22:50,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-12-09 16:22:50,071 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 16:22:50,071 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/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 [2018-12-09 16:22:50,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:22:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:22:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:22:57,008 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 16:22:57,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:22:57 BoogieIcfgContainer [2018-12-09 16:22:57,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 16:22:57,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:22:57,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:22:57,030 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:22:57,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:50" (3/4) ... [2018-12-09 16:22:57,031 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 16:22:57,056 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8a40fee7-aba4-4262-b9a1-cb55eb02342f/bin-2019/utaipan/witness.graphml [2018-12-09 16:22:57,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:22:57,056 INFO L168 Benchmark]: Toolchain (without parser) took 12369.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -123.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-12-09 16:22:57,057 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-12-09 16:22:57,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.60 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. [2018-12-09 16:22:57,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.69 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. [2018-12-09 16:22:57,058 INFO L168 Benchmark]: Boogie Preprocessor took 14.78 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. [2018-12-09 16:22:57,058 INFO L168 Benchmark]: RCFGBuilder took 5164.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-09 16:22:57,058 INFO L168 Benchmark]: TraceAbstraction took 7019.51 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: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:22:57,058 INFO L168 Benchmark]: Witness Printer took 26.23 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. [2018-12-09 16:22:57,060 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 128.60 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 13.69 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 14.78 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 5164.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7019.51 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: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Witness Printer took 26.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=-0.6464809775352478] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-0.6464809775352478, \result=-0.6023998856544495, x=-0.6464809775352478] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.6023998856544495, IN=-0.6464809775352478] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-0.6464809775352478] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.6464809775352478, \result=0.7984105944633484, x=-0.6464809775352478] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.6023998856544495, fp(IN)=0.7984105944633484, IN=-0.6464809775352478] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=-0.6464809775352478, x=0.10801786184310913] [L28] __VERIFIER_error() VAL [IN=-0.6464809775352478, x=0.10801786184310913] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 6.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.2s 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...