./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/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 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_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/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 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 0.1.23-635dfa2 [2018-12-09 00:51:01,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:51:01,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:51:01,464 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:51:01,465 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:51:01,465 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:51:01,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:51:01,467 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:51:01,467 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:51:01,468 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:51:01,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:51:01,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:51:01,469 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:51:01,469 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:51:01,470 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:51:01,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:51:01,471 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:51:01,471 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:51:01,472 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:51:01,475 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:51:01,475 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:51:01,476 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:51:01,477 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:51:01,477 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:51:01,477 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:51:01,478 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:51:01,478 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:51:01,479 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:51:01,479 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:51:01,479 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:51:01,480 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:51:01,480 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:51:01,480 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:51:01,480 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:51:01,481 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:51:01,481 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:51:01,481 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:51:01,488 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:51:01,488 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:51:01,489 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:51:01,489 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:51:01,489 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:51:01,489 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:51:01,489 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:51:01,489 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:51:01,489 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:51:01,490 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:51:01,490 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:51:01,490 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:51:01,490 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:51:01,490 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:51:01,490 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:51:01,490 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:51:01,490 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:51:01,490 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:51:01,491 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:51:01,491 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:51:01,491 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:51:01,491 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:51:01,491 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:51:01,491 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:51:01,491 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:51:01,491 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:51:01,491 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:51:01,491 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:51:01,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:51:01,492 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:51:01,492 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:51:01,492 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:51:01,492 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:51:01,492 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:51:01,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:51:01,492 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:51:01,492 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_65145d8f-7b42-4ff8-90a5-c372aeb0a325/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 -> 80e6cba3a638c96413a46f146860cf66cd7d52ab [2018-12-09 00:51:01,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:51:01,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:51:01,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:51:01,519 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:51:01,519 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:51:01,519 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-12-09 00:51:01,552 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/data/a37901799/1399000e5fad44de8fb7343dc9307309/FLAGbfe20172d [2018-12-09 00:51:01,825 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:51:01,825 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-12-09 00:51:01,829 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/data/a37901799/1399000e5fad44de8fb7343dc9307309/FLAGbfe20172d [2018-12-09 00:51:01,836 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/data/a37901799/1399000e5fad44de8fb7343dc9307309 [2018-12-09 00:51:01,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:51:01,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:51:01,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:51:01,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:51:01,843 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:51:01,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:51:01" (1/1) ... [2018-12-09 00:51:01,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96971f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01, skipping insertion in model container [2018-12-09 00:51:01,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:51:01" (1/1) ... [2018-12-09 00:51:01,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:51:01,862 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:51:01,950 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:51:01,952 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:51:01,962 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:51:01,970 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:51:01,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01 WrapperNode [2018-12-09 00:51:01,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:51:01,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:51:01,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:51:01,971 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:51:01,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01" (1/1) ... [2018-12-09 00:51:01,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01" (1/1) ... [2018-12-09 00:51:01,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:51:01,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:51:01,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:51:01,988 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:51:01,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01" (1/1) ... [2018-12-09 00:51:01,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01" (1/1) ... [2018-12-09 00:51:01,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01" (1/1) ... [2018-12-09 00:51:01,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01" (1/1) ... [2018-12-09 00:51:01,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01" (1/1) ... [2018-12-09 00:51:02,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01" (1/1) ... [2018-12-09 00:51:02,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01" (1/1) ... [2018-12-09 00:51:02,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:51:02,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:51:02,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:51:02,003 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:51:02,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/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 00:51:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:51:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:51:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 00:51:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 00:51:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:51:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:51:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-09 00:51:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-09 00:51:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:51:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:51:02,147 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:51:02,147 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 00:51:02,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:51:02 BoogieIcfgContainer [2018-12-09 00:51:02,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:51:02,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:51:02,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:51:02,150 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:51:02,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:51:01" (1/3) ... [2018-12-09 00:51:02,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8e856a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:51:02, skipping insertion in model container [2018-12-09 00:51:02,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:01" (2/3) ... [2018-12-09 00:51:02,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8e856a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:51:02, skipping insertion in model container [2018-12-09 00:51:02,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:51:02" (3/3) ... [2018-12-09 00:51:02,152 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_4_false-unreach-call_true-termination.i [2018-12-09 00:51:02,157 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:51:02,162 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:51:02,171 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:51:02,190 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:51:02,190 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:51:02,190 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:51:02,190 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:51:02,190 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:51:02,191 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:51:02,191 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:51:02,191 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:51:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-12-09 00:51:02,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:51:02,205 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:51:02,205 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:51:02,207 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:51:02,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:51:02,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-12-09 00:51:02,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:51:02,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:51:02,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:51:02,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:51:02,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:51:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:51:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:51:02,278 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 00:51:02,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:51:02 BoogieIcfgContainer [2018-12-09 00:51:02,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:51:02,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:51:02,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:51:02,293 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:51:02,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:51:02" (3/4) ... [2018-12-09 00:51:02,295 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 00:51:02,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:51:02,296 INFO L168 Benchmark]: Toolchain (without parser) took 457.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:51:02,297 INFO L168 Benchmark]: CDTParser took 0.10 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 00:51:02,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.65 ms. Allocated memory is still 1.0 GB. Free memory was 956.7 MB in the beginning and 945.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:51:02,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.67 ms. Allocated memory is still 1.0 GB. Free memory is still 945.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:51:02,298 INFO L168 Benchmark]: Boogie Preprocessor took 14.70 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 940.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:51:02,298 INFO L168 Benchmark]: RCFGBuilder took 145.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:51:02,299 INFO L168 Benchmark]: TraceAbstraction took 144.31 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:51:02,299 INFO L168 Benchmark]: Witness Printer took 2.90 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 00:51:02,301 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 130.65 ms. Allocated memory is still 1.0 GB. Free memory was 956.7 MB in the beginning and 945.9 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 16.67 ms. Allocated memory is still 1.0 GB. Free memory is still 945.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.70 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 940.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 145.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 144.31 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.90 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 0.1.23-635dfa2 [2018-12-09 00:51:03,677 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:51:03,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:51:03,685 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:51:03,685 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:51:03,685 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:51:03,686 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:51:03,687 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:51:03,688 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:51:03,689 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:51:03,690 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:51:03,690 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:51:03,690 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:51:03,691 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:51:03,692 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:51:03,692 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:51:03,693 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:51:03,694 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:51:03,695 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:51:03,697 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:51:03,697 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:51:03,698 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:51:03,700 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:51:03,700 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:51:03,700 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:51:03,701 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:51:03,701 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:51:03,702 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:51:03,702 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:51:03,703 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:51:03,703 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:51:03,704 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:51:03,704 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:51:03,704 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:51:03,705 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:51:03,705 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:51:03,705 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 00:51:03,716 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:51:03,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:51:03,717 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:51:03,717 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:51:03,717 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:51:03,717 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:51:03,717 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:51:03,717 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:51:03,717 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:51:03,718 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:51:03,718 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:51:03,718 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:51:03,718 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:51:03,718 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:51:03,718 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:51:03,718 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:51:03,719 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:51:03,719 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 00:51:03,719 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 00:51:03,719 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:51:03,719 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:51:03,719 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:51:03,719 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:51:03,719 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:51:03,720 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:51:03,720 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:51:03,720 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:51:03,720 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:51:03,720 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:51:03,720 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:51:03,720 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:51:03,720 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 00:51:03,720 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:51:03,720 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 00:51:03,720 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 00:51:03,720 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_65145d8f-7b42-4ff8-90a5-c372aeb0a325/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 -> 80e6cba3a638c96413a46f146860cf66cd7d52ab [2018-12-09 00:51:03,743 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:51:03,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:51:03,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:51:03,753 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:51:03,753 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:51:03,753 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/../../sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-12-09 00:51:03,788 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/data/1f3c78f7e/4915317779c64a0192da99572970e542/FLAG465848788 [2018-12-09 00:51:04,147 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:51:04,148 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/sv-benchmarks/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-12-09 00:51:04,151 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/data/1f3c78f7e/4915317779c64a0192da99572970e542/FLAG465848788 [2018-12-09 00:51:04,512 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/data/1f3c78f7e/4915317779c64a0192da99572970e542 [2018-12-09 00:51:04,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:51:04,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:51:04,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:51:04,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:51:04,518 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:51:04,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:51:04" (1/1) ... [2018-12-09 00:51:04,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49eb7855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04, skipping insertion in model container [2018-12-09 00:51:04,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:51:04" (1/1) ... [2018-12-09 00:51:04,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:51:04,535 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:51:04,637 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:51:04,641 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:51:04,655 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:51:04,664 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:51:04,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04 WrapperNode [2018-12-09 00:51:04,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:51:04,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:51:04,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:51:04,665 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:51:04,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04" (1/1) ... [2018-12-09 00:51:04,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04" (1/1) ... [2018-12-09 00:51:04,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:51:04,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:51:04,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:51:04,679 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:51:04,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04" (1/1) ... [2018-12-09 00:51:04,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04" (1/1) ... [2018-12-09 00:51:04,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04" (1/1) ... [2018-12-09 00:51:04,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04" (1/1) ... [2018-12-09 00:51:04,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04" (1/1) ... [2018-12-09 00:51:04,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04" (1/1) ... [2018-12-09 00:51:04,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04" (1/1) ... [2018-12-09 00:51:04,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:51:04,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:51:04,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:51:04,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:51:04,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/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 00:51:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:51:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:51:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 00:51:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 00:51:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:51:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:51:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-12-09 00:51:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-12-09 00:51:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:51:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:51:09,907 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:51:09,907 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 00:51:09,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:51:09 BoogieIcfgContainer [2018-12-09 00:51:09,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:51:09,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:51:09,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:51:09,910 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:51:09,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:51:04" (1/3) ... [2018-12-09 00:51:09,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326dc0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:51:09, skipping insertion in model container [2018-12-09 00:51:09,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:51:04" (2/3) ... [2018-12-09 00:51:09,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326dc0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:51:09, skipping insertion in model container [2018-12-09 00:51:09,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:51:09" (3/3) ... [2018-12-09 00:51:09,912 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_4_false-unreach-call_true-termination.i [2018-12-09 00:51:09,918 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:51:09,921 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:51:09,934 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:51:09,952 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:51:09,952 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:51:09,952 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:51:09,952 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:51:09,953 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:51:09,953 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:51:09,953 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:51:09,953 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:51:09,953 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:51:09,962 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-12-09 00:51:09,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:51:09,965 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:51:09,966 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:51:09,967 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:51:09,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:51:09,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-12-09 00:51:09,973 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:51:09,973 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/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 00:51:09,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:51:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:51:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:51:23,900 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 00:51:23,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:51:23 BoogieIcfgContainer [2018-12-09 00:51:23,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:51:23,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:51:23,926 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:51:23,926 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:51:23,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:51:09" (3/4) ... [2018-12-09 00:51:23,929 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 00:51:23,955 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_65145d8f-7b42-4ff8-90a5-c372aeb0a325/bin-2019/utaipan/witness.graphml [2018-12-09 00:51:23,955 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:51:23,956 INFO L168 Benchmark]: Toolchain (without parser) took 19442.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 57.1 MB). Free memory was 943.4 MB in the beginning and 997.8 MB in the end (delta: -54.5 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:51:23,957 INFO L168 Benchmark]: CDTParser took 0.12 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 00:51:23,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.29 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:51:23,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.28 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:51:23,957 INFO L168 Benchmark]: Boogie Preprocessor took 17.98 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:51:23,958 INFO L168 Benchmark]: RCFGBuilder took 5210.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 57.1 MB). Free memory was 927.3 MB in the beginning and 1.0 GB in the end (delta: -97.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:51:23,958 INFO L168 Benchmark]: TraceAbstraction took 14017.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-12-09 00:51:23,958 INFO L168 Benchmark]: Witness Printer took 29.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:51:23,960 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 149.29 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 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 14.28 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.98 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5210.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 57.1 MB). Free memory was 927.3 MB in the beginning and 1.0 GB in the end (delta: -97.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14017.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Witness Printer took 29.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=-0.6982148289680481] [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, 13.9s 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, 8.8s 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...