./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/float_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/float_double.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 773baadb55b498633b84884838d360efb3aec808 ........................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/float_double.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 773baadb55b498633b84884838d360efb3aec808 ........................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:40:29,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:40:29,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:40:29,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:40:29,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:40:29,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:40:29,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:40:29,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:40:29,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:40:29,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:40:29,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:40:29,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:40:29,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:40:29,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:40:29,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:40:29,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:40:29,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:40:29,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:40:29,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:40:29,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:40:29,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:40:29,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:40:29,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:40:29,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:40:29,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:40:29,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:40:29,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:40:29,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:40:29,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:40:29,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:40:29,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:40:29,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:40:29,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:40:29,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:40:29,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:40:29,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:40:29,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:40:29,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:40:29,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:40:29,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:40:29,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:40:29,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:40:29,955 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:40:29,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:40:29,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:40:29,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:40:29,958 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:40:29,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:40:29,959 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:40:29,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:40:29,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:40:29,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:40:29,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:40:29,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:40:29,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:40:29,961 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:40:29,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:40:29,962 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:40:29,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:40:29,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:40:29,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:40:29,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:40:29,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:40:29,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:40:29,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:40:29,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:40:29,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:40:29,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:40:29,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:40:29,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:40:29,966 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:40:29,966 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 773baadb55b498633b84884838d360efb3aec808 [2019-11-28 16:40:30,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:40:30,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:40:30,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:40:30,299 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:40:30,299 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:40:30,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/float_double.c [2019-11-28 16:40:30,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73515e83b/afa5e32954dc42cf93102c46926c2ec3/FLAG28b0cce44 [2019-11-28 16:40:30,860 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:40:30,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/float_double.c [2019-11-28 16:40:30,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73515e83b/afa5e32954dc42cf93102c46926c2ec3/FLAG28b0cce44 [2019-11-28 16:40:31,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73515e83b/afa5e32954dc42cf93102c46926c2ec3 [2019-11-28 16:40:31,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:40:31,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:40:31,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:40:31,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:40:31,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:40:31,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:31" (1/1) ... [2019-11-28 16:40:31,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b198c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31, skipping insertion in model container [2019-11-28 16:40:31,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:31" (1/1) ... [2019-11-28 16:40:31,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:40:31,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:40:31,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:40:31,523 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:40:31,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:40:31,559 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:40:31,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31 WrapperNode [2019-11-28 16:40:31,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:40:31,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:40:31,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:40:31,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:40:31,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31" (1/1) ... [2019-11-28 16:40:31,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31" (1/1) ... [2019-11-28 16:40:31,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:40:31,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:40:31,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:40:31,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:40:31,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31" (1/1) ... [2019-11-28 16:40:31,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31" (1/1) ... [2019-11-28 16:40:31,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31" (1/1) ... [2019-11-28 16:40:31,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31" (1/1) ... [2019-11-28 16:40:31,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31" (1/1) ... [2019-11-28 16:40:31,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31" (1/1) ... [2019-11-28 16:40:31,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31" (1/1) ... [2019-11-28 16:40:31,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:40:31,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:40:31,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:40:31,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:40:31,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 16:40:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:40:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:40:31,892 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:40:31,892 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 16:40:31,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:31 BoogieIcfgContainer [2019-11-28 16:40:31,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:40:31,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:40:31,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:40:31,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:40:31,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:40:31" (1/3) ... [2019-11-28 16:40:31,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214b2e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:40:31, skipping insertion in model container [2019-11-28 16:40:31,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:31" (2/3) ... [2019-11-28 16:40:31,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214b2e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:40:31, skipping insertion in model container [2019-11-28 16:40:31,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:31" (3/3) ... [2019-11-28 16:40:31,903 INFO L109 eAbstractionObserver]: Analyzing ICFG float_double.c [2019-11-28 16:40:31,914 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:40:31,921 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:40:31,934 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:40:31,960 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:40:31,961 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:40:31,961 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:40:31,961 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:40:31,961 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:40:31,962 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:40:31,962 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:40:31,962 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:40:31,978 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-28 16:40:31,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-28 16:40:31,984 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:40:31,986 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-28 16:40:31,986 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:40:31,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:40:31,993 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-28 16:40:32,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:40:32,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397615855] [2019-11-28 16:40:32,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:40:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:40:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:40:32,122 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:40:32,123 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:40:32,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:40:32 BoogieIcfgContainer [2019-11-28 16:40:32,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:40:32,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:40:32,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:40:32,149 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:40:32,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:31" (3/4) ... [2019-11-28 16:40:32,155 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:40:32,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:40:32,161 INFO L168 Benchmark]: Toolchain (without parser) took 943.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -131.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:40:32,162 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:40:32,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.07 ms. Allocated memory is still 1.0 GB. Free memory was 959.0 MB in the beginning and 948.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:40:32,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:40:32,169 INFO L168 Benchmark]: Boogie Preprocessor took 23.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:40:32,170 INFO L168 Benchmark]: RCFGBuilder took 207.59 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:40:32,171 INFO L168 Benchmark]: TraceAbstraction took 252.76 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:40:32,172 INFO L168 Benchmark]: Witness Printer took 7.41 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. [2019-11-28 16:40:32,185 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.07 ms. Allocated memory is still 1.0 GB. Free memory was 959.0 MB in the beginning and 948.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 207.59 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 252.76 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 7.41 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L8] double x = 1e20 + 1.; [L9] float y = x; [L4] COND TRUE !(cond) [L4] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, 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=8occurred 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, 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 0.1.25-f470102 [2019-11-28 16:40:34,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:40:34,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:40:34,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:40:34,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:40:34,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:40:34,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:40:34,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:40:34,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:40:34,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:40:34,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:40:34,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:40:34,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:40:34,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:40:34,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:40:34,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:40:34,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:40:34,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:40:34,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:40:34,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:40:34,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:40:34,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:40:34,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:40:34,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:40:34,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:40:34,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:40:34,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:40:34,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:40:34,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:40:34,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:40:34,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:40:34,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:40:34,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:40:34,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:40:34,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:40:34,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:40:34,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:40:34,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:40:34,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:40:34,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:40:34,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:40:34,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:40:34,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:40:34,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:40:34,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:40:34,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:40:34,374 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:40:34,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:40:34,375 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:40:34,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:40:34,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:40:34,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:40:34,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:40:34,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:40:34,379 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:40:34,380 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:40:34,380 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:40:34,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:40:34,381 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:40:34,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:40:34,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:40:34,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:40:34,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:40:34,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:40:34,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:40:34,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:40:34,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:40:34,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:40:34,385 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:40:34,386 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:40:34,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:40:34,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:40:34,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:40:34,387 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 773baadb55b498633b84884838d360efb3aec808 [2019-11-28 16:40:34,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:40:34,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:40:34,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:40:34,784 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:40:34,785 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:40:34,786 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/float_double.c [2019-11-28 16:40:34,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0f533716/dcbbda7ad45c43b9b93f20cb16db19ee/FLAGc33573e55 [2019-11-28 16:40:35,272 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:40:35,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/float_double.c [2019-11-28 16:40:35,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0f533716/dcbbda7ad45c43b9b93f20cb16db19ee/FLAGc33573e55 [2019-11-28 16:40:35,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0f533716/dcbbda7ad45c43b9b93f20cb16db19ee [2019-11-28 16:40:35,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:40:35,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:40:35,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:40:35,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:40:35,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:40:35,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:35" (1/1) ... [2019-11-28 16:40:35,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd09f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35, skipping insertion in model container [2019-11-28 16:40:35,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:35" (1/1) ... [2019-11-28 16:40:35,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:40:35,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:40:35,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:40:35,919 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:40:35,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:40:35,950 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:40:35,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35 WrapperNode [2019-11-28 16:40:35,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:40:35,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:40:35,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:40:35,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:40:35,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35" (1/1) ... [2019-11-28 16:40:36,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35" (1/1) ... [2019-11-28 16:40:36,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:40:36,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:40:36,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:40:36,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:40:36,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35" (1/1) ... [2019-11-28 16:40:36,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35" (1/1) ... [2019-11-28 16:40:36,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35" (1/1) ... [2019-11-28 16:40:36,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35" (1/1) ... [2019-11-28 16:40:36,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35" (1/1) ... [2019-11-28 16:40:36,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35" (1/1) ... [2019-11-28 16:40:36,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35" (1/1) ... [2019-11-28 16:40:36,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:40:36,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:40:36,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:40:36,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:40:36,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 16:40:36,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:40:36,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:40:36,470 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:40:36,470 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 16:40:36,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:36 BoogieIcfgContainer [2019-11-28 16:40:36,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:40:36,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:40:36,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:40:36,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:40:36,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:40:35" (1/3) ... [2019-11-28 16:40:36,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4843c82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:40:36, skipping insertion in model container [2019-11-28 16:40:36,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:35" (2/3) ... [2019-11-28 16:40:36,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4843c82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:40:36, skipping insertion in model container [2019-11-28 16:40:36,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:36" (3/3) ... [2019-11-28 16:40:36,480 INFO L109 eAbstractionObserver]: Analyzing ICFG float_double.c [2019-11-28 16:40:36,489 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:40:36,496 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:40:36,506 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:40:36,530 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:40:36,530 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:40:36,530 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:40:36,531 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:40:36,531 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:40:36,531 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:40:36,532 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:40:36,532 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:40:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-28 16:40:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-28 16:40:36,551 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:40:36,552 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-28 16:40:36,552 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:40:36,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:40:36,558 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-11-28 16:40:36,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:40:36,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502361617] [2019-11-28 16:40:36,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 16:40:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:40:36,707 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 16:40:36,713 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:40:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:40:36,879 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:40:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:40:36,956 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502361617] [2019-11-28 16:40:36,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:40:36,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-28 16:40:36,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679518010] [2019-11-28 16:40:36,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:40:36,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:40:36,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:40:36,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:40:36,976 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2019-11-28 16:40:37,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:40:37,006 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-28 16:40:37,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 16:40:37,008 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-28 16:40:37,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:40:37,017 INFO L225 Difference]: With dead ends: 13 [2019-11-28 16:40:37,017 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:40:37,021 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:40:37,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:40:37,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:40:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:40:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:40:37,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-28 16:40:37,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:40:37,043 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:40:37,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:40:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:40:37,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:40:37,244 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:40:37,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:40:37,292 INFO L242 CegarLoopResult]: At program point L4-3(line 4) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-28 16:40:37,292 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:40:37,292 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:40:37,293 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:40:37,293 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:40:37,294 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-11-28 16:40:37,294 INFO L242 CegarLoopResult]: At program point L11(lines 6 12) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-28 16:40:37,294 INFO L246 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2019-11-28 16:40:37,295 INFO L246 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2019-11-28 16:40:37,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:40:37 BoogieIcfgContainer [2019-11-28 16:40:37,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:40:37,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:40:37,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:40:37,313 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:40:37,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:36" (3/4) ... [2019-11-28 16:40:37,316 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:40:37,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 16:40:37,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 16:40:37,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 16:40:37,362 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:40:37,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:40:37,365 INFO L168 Benchmark]: Toolchain (without parser) took 1668.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -87.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:40:37,366 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:40:37,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:40:37,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:40:37,368 INFO L168 Benchmark]: Boogie Preprocessor took 35.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:40:37,369 INFO L168 Benchmark]: RCFGBuilder took 336.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:40:37,370 INFO L168 Benchmark]: TraceAbstraction took 839.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:40:37,371 INFO L168 Benchmark]: Witness Printer took 49.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:40:37,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 254.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 145.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 336.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 839.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Witness Printer took 49.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 4 SDslu, 2 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 6 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 correct! Received shutdown request...