./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_poly2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b63905375af38d9971341930078b6c47230c38fd ........................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b63905375af38d9971341930078b6c47230c38fd .................................................................................................................................................................................................................................................................. 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 0.1.24-6b5699a [2019-11-25 08:45:45,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:45:45,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:45:45,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:45:45,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:45:45,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:45:45,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:45:45,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:45:45,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:45:45,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:45:45,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:45:45,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:45:45,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:45:45,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:45:45,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:45:45,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:45:45,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:45:45,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:45:45,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:45:45,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:45:45,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:45:45,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:45:45,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:45:45,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:45:45,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:45:45,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:45:45,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:45:45,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:45:45,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:45:45,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:45:45,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:45:45,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:45:45,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:45:45,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:45:45,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:45:45,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:45:45,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:45:45,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:45:45,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:45:45,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:45:45,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:45:45,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:45:45,105 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:45:45,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:45:45,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:45:45,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:45:45,107 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:45:45,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:45:45,107 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:45:45,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:45:45,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:45:45,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:45:45,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:45:45,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:45:45,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:45:45,109 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:45:45,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:45:45,109 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:45:45,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:45:45,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:45:45,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:45:45,110 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:45:45,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:45:45,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:45:45,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:45:45,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:45:45,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:45:45,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:45:45,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:45:45,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:45:45,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63905375af38d9971341930078b6c47230c38fd [2019-11-25 08:45:45,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:45:45,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:45:45,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:45:45,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:45:45,300 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:45:45,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/../../sv-benchmarks/c/float-benchs/sqrt_poly2.c [2019-11-25 08:45:45,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/data/65d71586a/75c63fe362ee45399670f5cee94689da/FLAG4e231ed28 [2019-11-25 08:45:45,739 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:45:45,740 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/sv-benchmarks/c/float-benchs/sqrt_poly2.c [2019-11-25 08:45:45,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/data/65d71586a/75c63fe362ee45399670f5cee94689da/FLAG4e231ed28 [2019-11-25 08:45:46,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/data/65d71586a/75c63fe362ee45399670f5cee94689da [2019-11-25 08:45:46,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:45:46,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:45:46,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:46,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:45:46,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:45:46,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396fe1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46, skipping insertion in model container [2019-11-25 08:45:46,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:45:46,210 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:45:46,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:46,490 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:45:46,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:46,535 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:45:46,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46 WrapperNode [2019-11-25 08:45:46,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:46,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:46,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:45:46,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:45:46,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:46,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:45:46,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:45:46,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:45:46,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... [2019-11-25 08:45:46,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:45:46,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:45:46,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:45:46,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:45:46,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:45:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:45:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-25 08:45:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:45:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-25 08:45:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:45:46,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:45:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:45:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:45:46,910 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:45:46,911 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-25 08:45:46,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:46 BoogieIcfgContainer [2019-11-25 08:45:46,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:45:46,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:45:46,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:45:46,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:45:46,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:45:46" (1/3) ... [2019-11-25 08:45:46,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36425d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:46, skipping insertion in model container [2019-11-25 08:45:46,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:46" (2/3) ... [2019-11-25 08:45:46,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36425d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:46, skipping insertion in model container [2019-11-25 08:45:46,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:46" (3/3) ... [2019-11-25 08:45:46,920 INFO L109 eAbstractionObserver]: Analyzing ICFG sqrt_poly2.c [2019-11-25 08:45:46,930 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:45:46,943 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:45:46,961 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:45:46,985 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:45:46,985 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:45:46,986 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:45:46,986 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:45:46,986 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:45:46,986 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:45:46,986 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:45:46,986 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:45:47,002 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-11-25 08:45:47,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-25 08:45:47,011 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:47,011 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:47,012 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:47,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:47,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1804965382, now seen corresponding path program 1 times [2019-11-25 08:45:47,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:47,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891338642] [2019-11-25 08:45:47,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:47,216 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:45:47,217 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:45:47,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:45:47 BoogieIcfgContainer [2019-11-25 08:45:47,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:45:47,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:45:47,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:45:47,245 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:45:47,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:46" (3/4) ... [2019-11-25 08:45:47,249 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:45:47,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:45:47,251 INFO L168 Benchmark]: Toolchain (without parser) took 1078.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 952.8 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:47,252 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:47,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 952.8 MB in the beginning and 1.2 GB in the end (delta: -215.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:47,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:47,253 INFO L168 Benchmark]: Boogie Preprocessor took 41.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:47,254 INFO L168 Benchmark]: RCFGBuilder took 294.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:47,255 INFO L168 Benchmark]: TraceAbstraction took 330.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:47,255 INFO L168 Benchmark]: Witness Printer took 4.65 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. [2019-11-25 08:45:47,258 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 952.8 MB in the beginning and 1.2 GB in the end (delta: -215.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 294.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 330.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.65 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: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 33, overapproximation of someUnaryDOUBLEoperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 46, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L12] double C0 = 1.414213538; [L13] double C1 = 0.229761391; [L14] double C2 = 1.296735525; [L15] double C3 = -0.901098370; [L16] double C4 = 0.493553400; [L17] double C5 = -0.118958666; VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L53] double x,y; [L55] x = __VERIFIER_nondet_double() [L26] union u x; [L27] double r; [L28] int exp; [L30] x.d = a [L32] EXPR x.i[0] [L32] exp = (x.i[0] & 0x7FF00000) >> 20 [L33] EXPR x.i[0] [L33] x.i[0] = (x.i[0] & 0x800FFFFF) | 0x3FF00000 [L34] EXPR x.d [L34] r = x.d * 0.5 [L36] r = C1+C2+(C3+(C4+C5*r)*r)*r VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L38] COND TRUE exp % 2 == 0 [L39] exp++ VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L45] x.i[0] = (exp/2 + 511) << 20 [L46] EXPR x.d [L46] r = r * x.d [L48] return r; [L48] return r; VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L58] y = sqrt_custom(x) [L9] COND TRUE !(cond) VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L9] __VERIFIER_error() VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 7 NumberOfCodeBlocks, 7 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, 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 0.1.24-6b5699a [2019-11-25 08:45:49,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:45:49,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:45:49,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:45:49,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:45:49,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:45:49,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:45:49,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:45:49,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:45:49,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:45:49,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:45:49,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:45:49,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:45:49,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:45:49,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:45:49,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:45:49,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:45:49,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:45:49,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:45:49,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:45:49,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:45:49,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:45:49,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:45:49,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:45:49,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:45:49,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:45:49,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:45:49,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:45:49,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:45:49,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:45:49,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:45:49,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:45:49,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:45:49,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:45:49,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:45:49,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:45:49,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:45:49,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:45:49,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:45:49,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:45:49,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:45:49,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:45:49,219 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:45:49,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:45:49,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:45:49,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:45:49,230 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:45:49,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:45:49,231 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:45:49,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:45:49,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:45:49,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:45:49,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:45:49,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:45:49,232 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:45:49,232 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:45:49,233 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:45:49,233 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:45:49,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:45:49,233 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:45:49,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:45:49,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:45:49,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:45:49,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:45:49,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:45:49,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:45:49,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:45:49,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:45:49,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:45:49,236 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:45:49,237 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:45:49,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:45:49,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:45:49,238 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63905375af38d9971341930078b6c47230c38fd [2019-11-25 08:45:49,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:45:49,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:45:49,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:45:49,596 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:45:49,597 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:45:49,597 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/../../sv-benchmarks/c/float-benchs/sqrt_poly2.c [2019-11-25 08:45:49,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/data/94054084d/8775095a3d80494e9ae8805c4418a074/FLAGdd6e2f9ba [2019-11-25 08:45:50,043 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:45:50,044 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/sv-benchmarks/c/float-benchs/sqrt_poly2.c [2019-11-25 08:45:50,050 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/data/94054084d/8775095a3d80494e9ae8805c4418a074/FLAGdd6e2f9ba [2019-11-25 08:45:50,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/data/94054084d/8775095a3d80494e9ae8805c4418a074 [2019-11-25 08:45:50,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:45:50,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:45:50,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:50,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:45:50,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:45:50,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1badb20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50, skipping insertion in model container [2019-11-25 08:45:50,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:45:50,458 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:45:50,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:50,697 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:45:50,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:50,885 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:45:50,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50 WrapperNode [2019-11-25 08:45:50,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:50,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:50,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:45:50,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:45:50,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:50,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:45:50,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:45:50,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:45:50,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... [2019-11-25 08:45:50,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:45:50,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:45:50,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:45:50,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:45:50,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:45:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-25 08:45:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-25 08:45:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:45:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 08:45:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:45:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:45:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:45:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 08:45:55,141 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:45:55,142 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-25 08:45:55,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:55 BoogieIcfgContainer [2019-11-25 08:45:55,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:45:55,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:45:55,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:45:55,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:45:55,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:45:50" (1/3) ... [2019-11-25 08:45:55,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4f6ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:55, skipping insertion in model container [2019-11-25 08:45:55,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:50" (2/3) ... [2019-11-25 08:45:55,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4f6ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:55, skipping insertion in model container [2019-11-25 08:45:55,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:55" (3/3) ... [2019-11-25 08:45:55,158 INFO L109 eAbstractionObserver]: Analyzing ICFG sqrt_poly2.c [2019-11-25 08:45:55,166 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:45:55,173 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:45:55,182 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:45:55,200 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:45:55,200 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:45:55,200 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:45:55,200 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:45:55,201 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:45:55,201 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:45:55,201 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:45:55,201 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:45:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-11-25 08:45:55,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-25 08:45:55,216 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:55,217 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:55,217 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:55,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:55,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1804965382, now seen corresponding path program 1 times [2019-11-25 08:45:55,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:45:55,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405545767] [2019-11-25 08:45:55,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-25 08:46:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:11,130 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-25 08:46:11,131 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:46:11,332 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 08:46:11,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:46:11 BoogieIcfgContainer [2019-11-25 08:46:11,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:46:11,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:46:11,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:46:11,366 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:46:11,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:55" (3/4) ... [2019-11-25 08:46:11,367 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-25 08:46:11,418 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6f5b7362-37be-4a8c-9eaa-5620c6cdaca8/bin/uautomizer/witness.graphml [2019-11-25 08:46:11,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:46:11,420 INFO L168 Benchmark]: Toolchain (without parser) took 20999.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:11,420 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:11,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -227.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:11,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:11,422 INFO L168 Benchmark]: Boogie Preprocessor took 34.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:11,423 INFO L168 Benchmark]: RCFGBuilder took 4167.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:11,423 INFO L168 Benchmark]: TraceAbstraction took 16221.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:11,423 INFO L168 Benchmark]: Witness Printer took 52.70 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. [2019-11-25 08:46:11,426 INFO L335 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 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 463.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -227.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 4167.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16221.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Witness Printer took 52.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 9]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] double C0 = 1.414213538; [L13] double C1 = 0.229761391; [L14] double C2 = 1.296735525; [L15] double C3 = -0.901098370; [L16] double C4 = 0.493553400; [L17] double C5 = -0.118958666; VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L53] double x,y; [L55] x = __VERIFIER_nondet_double() [L26] union u x; [L27] double r; [L28] int exp; [L30] x.d = a [L32] EXPR x.i[0] [L32] exp = (x.i[0] & 0x7FF00000) >> 20 [L33] EXPR x.i[0] [L33] x.i[0] = (x.i[0] & 0x800FFFFF) | 0x3FF00000 [L34] EXPR x.d [L34] r = x.d * 0.5 [L36] r = C1+C2+(C3+(C4+C5*r)*r)*r VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L38] COND TRUE exp % 2 == 0 [L39] exp++ VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L45] x.i[0] = (exp/2 + 511) << 20 [L46] EXPR x.d [L46] r = r * x.d [L48] return r; [L48] return r; VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L58] y = sqrt_custom(x) [L9] COND TRUE !(cond) VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L9] __VERIFIER_error() VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Result: UNSAFE, OverallTime: 16.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 10.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...