./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_float.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3490f452c75bd943c0f7c3f7fb58032fe6d705c ............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3490f452c75bd943c0f7c3f7fb58032fe6d705c ............................................................................................................................................................................................................................................ 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 0.2.0-a4ecdab [2020-11-28 07:37:37,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:37:37,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:37:37,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:37:37,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:37:37,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:37:37,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:37:37,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:37:37,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:37:37,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:37:37,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:37:37,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:37:37,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:37:37,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:37:37,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:37:37,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:37:37,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:37:37,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:37:37,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:37:37,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:37:37,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:37:37,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:37:37,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:37:37,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:37:37,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:37:37,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:37:37,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:37:37,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:37:37,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:37:37,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:37:37,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:37:37,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:37:37,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:37:37,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:37:37,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:37:37,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:37:37,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:37:37,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:37:37,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:37:37,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:37:37,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:37:37,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:37:37,756 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:37:37,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:37:37,758 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:37:37,759 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:37:37,759 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:37:37,759 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:37:37,759 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:37:37,760 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:37:37,760 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:37:37,760 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:37:37,762 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:37:37,762 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:37:37,762 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:37:37,763 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:37:37,763 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:37:37,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:37:37,765 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:37:37,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:37:37,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:37:37,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:37:37,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:37:37,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:37:37,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:37:37,767 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:37:37,767 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:37:37,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:37:37,767 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:37:37,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:37:37,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:37:37,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:37:37,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:37:37,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:37:37,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:37:37,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:37:37,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:37:37,772 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:37:37,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:37:37,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:37:37,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:37:37,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:37:37,774 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3490f452c75bd943c0f7c3f7fb58032fe6d705c [2020-11-28 07:37:38,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:37:38,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:37:38,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:37:38,226 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:37:38,227 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:37:38,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/../../sv-benchmarks/c/float-benchs/nan_float.c [2020-11-28 07:37:38,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/data/80af83350/2a19256a7cc54ed6a7f3ff5a9cb73711/FLAG7e265211a [2020-11-28 07:37:38,883 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:37:38,883 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/sv-benchmarks/c/float-benchs/nan_float.c [2020-11-28 07:37:38,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/data/80af83350/2a19256a7cc54ed6a7f3ff5a9cb73711/FLAG7e265211a [2020-11-28 07:37:39,260 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/data/80af83350/2a19256a7cc54ed6a7f3ff5a9cb73711 [2020-11-28 07:37:39,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:37:39,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:37:39,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:39,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:37:39,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:37:39,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484573d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39, skipping insertion in model container [2020-11-28 07:37:39,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:37:39,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:37:39,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:39,509 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:37:39,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:39,560 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:37:39,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39 WrapperNode [2020-11-28 07:37:39,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:39,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:37:39,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:37:39,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:37:39,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:37:39,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:37:39,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:37:39,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:37:39,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:37:39,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:37:39,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:37:39,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:37:39,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/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 [2020-11-28 07:37:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:37:39,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:37:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:37:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:37:40,071 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:37:40,071 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 07:37:40,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:40 BoogieIcfgContainer [2020-11-28 07:37:40,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:37:40,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:37:40,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:37:40,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:37:40,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:37:39" (1/3) ... [2020-11-28 07:37:40,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3620b850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:37:40, skipping insertion in model container [2020-11-28 07:37:40,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (2/3) ... [2020-11-28 07:37:40,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3620b850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:37:40, skipping insertion in model container [2020-11-28 07:37:40,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:40" (3/3) ... [2020-11-28 07:37:40,083 INFO L111 eAbstractionObserver]: Analyzing ICFG nan_float.c [2020-11-28 07:37:40,094 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:37:40,098 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:37:40,110 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:37:40,165 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:37:40,166 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:37:40,166 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:37:40,166 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:37:40,166 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:37:40,166 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:37:40,166 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:37:40,167 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:37:40,179 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-11-28 07:37:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 07:37:40,196 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:40,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-28 07:37:40,198 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:40,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:40,213 INFO L82 PathProgramCache]: Analyzing trace with hash 48212, now seen corresponding path program 1 times [2020-11-28 07:37:40,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:37:40,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158286710] [2020-11-28 07:37:40,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:37:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:37:40,344 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:37:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:37:40,373 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:37:40,413 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-28 07:37:40,414 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:37:40,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:37:40,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:37:40 BoogieIcfgContainer [2020-11-28 07:37:40,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:37:40,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:37:40,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:37:40,445 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:37:40,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:40" (3/4) ... [2020-11-28 07:37:40,449 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 07:37:40,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:37:40,454 INFO L168 Benchmark]: Toolchain (without parser) took 1178.60 ms. Allocated memory is still 109.1 MB. Free memory was 76.6 MB in the beginning and 60.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:40,457 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory was 62.5 MB in the beginning and 62.4 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:40,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.06 ms. Allocated memory is still 109.1 MB. Free memory was 76.1 MB in the beginning and 86.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:40,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.67 ms. Allocated memory is still 109.1 MB. Free memory was 86.9 MB in the beginning and 85.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:40,462 INFO L168 Benchmark]: Boogie Preprocessor took 35.28 ms. Allocated memory is still 109.1 MB. Free memory was 85.5 MB in the beginning and 84.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:40,464 INFO L168 Benchmark]: RCFGBuilder took 428.92 ms. Allocated memory is still 109.1 MB. Free memory was 84.5 MB in the beginning and 72.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:40,465 INFO L168 Benchmark]: TraceAbstraction took 365.43 ms. Allocated memory is still 109.1 MB. Free memory was 72.2 MB in the beginning and 60.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:40,466 INFO L168 Benchmark]: Witness Printer took 6.01 ms. Allocated memory is still 109.1 MB. Free memory was 60.7 MB in the beginning and 60.4 MB in the end (delta: 309.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:40,480 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory was 62.5 MB in the beginning and 62.4 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 285.06 ms. Allocated memory is still 109.1 MB. Free memory was 76.1 MB in the beginning and 86.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.67 ms. Allocated memory is still 109.1 MB. Free memory was 86.9 MB in the beginning and 85.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.28 ms. Allocated memory is still 109.1 MB. Free memory was 85.5 MB in the beginning and 84.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 428.92 ms. Allocated memory is still 109.1 MB. Free memory was 84.5 MB in the beginning and 72.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 365.43 ms. Allocated memory is still 109.1 MB. Free memory was 72.2 MB in the beginning and 60.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 6.01 ms. Allocated memory is still 109.1 MB. Free memory was 60.7 MB in the beginning and 60.4 MB in the end (delta: 309.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15. Possible FailurePath: [L12] float x; [L13] x = __VERIFIER_nondet_float() [L8] COND TRUE !(cond) [L3] __assert_fail("0", "nan_float.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: 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 0.2.0-a4ecdab [2020-11-28 07:37:43,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:37:43,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:37:43,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:37:43,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:37:43,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:37:43,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:37:43,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:37:43,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:37:43,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:37:43,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:37:43,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:37:43,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:37:43,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:37:43,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:37:43,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:37:43,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:37:43,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:37:43,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:37:43,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:37:43,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:37:43,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:37:43,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:37:43,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:37:43,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:37:43,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:37:43,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:37:43,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:37:43,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:37:43,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:37:43,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:37:43,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:37:43,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:37:43,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:37:43,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:37:43,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:37:43,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:37:43,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:37:43,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:37:43,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:37:43,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:37:43,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:37:43,327 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:37:43,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:37:43,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:37:43,329 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:37:43,329 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:37:43,329 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:37:43,330 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:37:43,330 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:37:43,330 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:37:43,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:37:43,331 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:37:43,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:37:43,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:37:43,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:37:43,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:37:43,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:37:43,332 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:37:43,333 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:37:43,333 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:37:43,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:37:43,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:37:43,333 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:37:43,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:37:43,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:37:43,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:37:43,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:37:43,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:37:43,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:37:43,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:37:43,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:37:43,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:37:43,336 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:37:43,336 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:37:43,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:37:43,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:37:43,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:37:43,337 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3490f452c75bd943c0f7c3f7fb58032fe6d705c [2020-11-28 07:37:43,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:37:43,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:37:43,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:37:43,797 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:37:43,797 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:37:43,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/../../sv-benchmarks/c/float-benchs/nan_float.c [2020-11-28 07:37:43,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/data/65aaec85e/4b97d1ff7c124a1692050030278f5026/FLAGeed1a5e26 [2020-11-28 07:37:44,434 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:37:44,435 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/sv-benchmarks/c/float-benchs/nan_float.c [2020-11-28 07:37:44,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/data/65aaec85e/4b97d1ff7c124a1692050030278f5026/FLAGeed1a5e26 [2020-11-28 07:37:44,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/data/65aaec85e/4b97d1ff7c124a1692050030278f5026 [2020-11-28 07:37:44,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:37:44,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:37:44,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:44,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:37:44,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:37:44,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:44" (1/1) ... [2020-11-28 07:37:44,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efbcd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:44, skipping insertion in model container [2020-11-28 07:37:44,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:44" (1/1) ... [2020-11-28 07:37:44,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:37:44,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:37:45,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:45,034 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:37:45,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:45,067 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:37:45,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45 WrapperNode [2020-11-28 07:37:45,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:45,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:37:45,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:37:45,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:37:45,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:37:45,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:37:45,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:37:45,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:37:45,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:37:45,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:37:45,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:37:45,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:37:45,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/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 [2020-11-28 07:37:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:37:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:37:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:37:45,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:37:45,716 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:37:45,716 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 07:37:45,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:45 BoogieIcfgContainer [2020-11-28 07:37:45,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:37:45,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:37:45,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:37:45,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:37:45,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:37:44" (1/3) ... [2020-11-28 07:37:45,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee01e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:37:45, skipping insertion in model container [2020-11-28 07:37:45,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (2/3) ... [2020-11-28 07:37:45,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee01e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:37:45, skipping insertion in model container [2020-11-28 07:37:45,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:45" (3/3) ... [2020-11-28 07:37:45,731 INFO L111 eAbstractionObserver]: Analyzing ICFG nan_float.c [2020-11-28 07:37:45,748 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:37:45,753 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:37:45,767 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:37:45,812 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:37:45,812 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:37:45,812 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:37:45,812 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:37:45,813 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:37:45,813 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:37:45,813 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:37:45,813 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:37:45,843 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-28 07:37:45,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 07:37:45,849 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:45,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 07:37:45,851 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:45,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:45,860 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-11-28 07:37:45,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:37:45,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643862048] [2020-11-28 07:37:45,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/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 [2020-11-28 07:37:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:37:46,014 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:37:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:37:46,058 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:37:46,112 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-28 07:37:46,113 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:37:46,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:37:46,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:37:46 BoogieIcfgContainer [2020-11-28 07:37:46,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:37:46,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:37:46,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:37:46,357 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:37:46,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:45" (3/4) ... [2020-11-28 07:37:46,360 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 07:37:46,401 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f640815f-d7c4-4cf9-a055-9740411d20f3/bin/utaipan/witness.graphml [2020-11-28 07:37:46,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:37:46,406 INFO L168 Benchmark]: Toolchain (without parser) took 1573.08 ms. Allocated memory is still 60.8 MB. Free memory was 39.0 MB in the beginning and 32.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:46,409 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory was 42.0 MB in the beginning and 41.9 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:46,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.49 ms. Allocated memory is still 60.8 MB. Free memory was 38.8 MB in the beginning and 29.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:46,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.08 ms. Allocated memory is still 60.8 MB. Free memory was 29.3 MB in the beginning and 43.4 MB in the end (delta: -14.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:46,416 INFO L168 Benchmark]: Boogie Preprocessor took 50.17 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 42.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:46,419 INFO L168 Benchmark]: RCFGBuilder took 520.09 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 32.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:46,421 INFO L168 Benchmark]: TraceAbstraction took 635.92 ms. Allocated memory is still 60.8 MB. Free memory was 31.6 MB in the beginning and 34.0 MB in the end (delta: -2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:46,422 INFO L168 Benchmark]: Witness Printer took 47.01 ms. Allocated memory is still 60.8 MB. Free memory was 33.8 MB in the beginning and 32.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:46,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory was 42.0 MB in the beginning and 41.9 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 234.49 ms. Allocated memory is still 60.8 MB. Free memory was 38.8 MB in the beginning and 29.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.08 ms. Allocated memory is still 60.8 MB. Free memory was 29.3 MB in the beginning and 43.4 MB in the end (delta: -14.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.17 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 42.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 520.09 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 32.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 635.92 ms. Allocated memory is still 60.8 MB. Free memory was 31.6 MB in the beginning and 34.0 MB in the end (delta: -2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 47.01 ms. Allocated memory is still 60.8 MB. Free memory was 33.8 MB in the beginning and 32.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] float x; [L13] x = __VERIFIER_nondet_float() [L8] COND TRUE !(cond) [L3] __assert_fail("0", "nan_float.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...