./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/Rump_float.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/Rump_float.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 ad42bb2010d2b192065bfa0d559e83801dcf82da .......................................................................................................................................................................................................................... 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/Rump_float.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 ad42bb2010d2b192065bfa0d559e83801dcf82da ........................................................................................................................................................................................................................................................................... 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 16:39:14,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:39:14,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:39:14,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:39:14,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:39:14,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:39:14,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:39:14,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:39:14,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:39:14,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:39:14,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:39:14,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:39:14,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:39:14,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:39:14,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:39:14,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:39:14,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:39:14,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:39:14,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:39:14,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:39:14,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:39:14,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:39:14,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:39:14,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:39:14,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:39:14,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:39:14,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:39:14,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:39:14,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:39:14,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:39:14,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:39:14,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:39:14,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:39:14,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:39:14,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:39:14,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:39:14,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:39:14,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:39:14,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:39:14,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:39:14,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:39:14,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:39:14,957 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:39:14,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:39:14,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:39:14,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:39:14,959 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:39:14,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:39:14,959 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:39:14,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:39:14,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:39:14,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:39:14,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:39:14,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:39:14,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:39:14,961 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:39:14,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:39:14,961 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:39:14,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:39:14,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:39:14,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:39:14,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:39:14,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:39:14,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:39:14,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:39:14,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:39:14,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:39:14,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:39:14,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:39:14,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:39:14,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:39:14,965 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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2019-11-28 16:39:15,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:39:15,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:39:15,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:39:15,349 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:39:15,350 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:39:15,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_float.c [2019-11-28 16:39:15,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d0a99899/17f84aebee654aa490a35ab9cb21e00f/FLAGbd35a8197 [2019-11-28 16:39:15,885 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:39:15,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_float.c [2019-11-28 16:39:15,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d0a99899/17f84aebee654aa490a35ab9cb21e00f/FLAGbd35a8197 [2019-11-28 16:39:16,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d0a99899/17f84aebee654aa490a35ab9cb21e00f [2019-11-28 16:39:16,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:39:16,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:39:16,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:39:16,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:39:16,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:39:16,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:16" (1/1) ... [2019-11-28 16:39:16,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e7655c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16, skipping insertion in model container [2019-11-28 16:39:16,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:16" (1/1) ... [2019-11-28 16:39:16,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:39:16,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:39:16,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:39:16,578 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:39:16,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:39:16,626 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:39:16,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16 WrapperNode [2019-11-28 16:39:16,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:39:16,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:39:16,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:39:16,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:39:16,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16" (1/1) ... [2019-11-28 16:39:16,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16" (1/1) ... [2019-11-28 16:39:16,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:39:16,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:39:16,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:39:16,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:39:16,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16" (1/1) ... [2019-11-28 16:39:16,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16" (1/1) ... [2019-11-28 16:39:16,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16" (1/1) ... [2019-11-28 16:39:16,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16" (1/1) ... [2019-11-28 16:39:16,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16" (1/1) ... [2019-11-28 16:39:16,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16" (1/1) ... [2019-11-28 16:39:16,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16" (1/1) ... [2019-11-28 16:39:16,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:39:16,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:39:16,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:39:16,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:39:16,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16" (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 16:39:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:39:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:39:16,971 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:39:16,971 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 16:39:16,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:16 BoogieIcfgContainer [2019-11-28 16:39:16,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:39:16,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:39:16,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:39:16,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:39:16,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:39:16" (1/3) ... [2019-11-28 16:39:16,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7baf1143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:39:16, skipping insertion in model container [2019-11-28 16:39:16,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16" (2/3) ... [2019-11-28 16:39:16,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7baf1143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:39:16, skipping insertion in model container [2019-11-28 16:39:16,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:16" (3/3) ... [2019-11-28 16:39:16,981 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2019-11-28 16:39:16,990 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:39:16,997 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:39:17,010 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:39:17,033 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:39:17,033 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:39:17,033 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:39:17,034 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:39:17,034 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:39:17,034 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:39:17,034 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:39:17,034 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:39:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-28 16:39:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-28 16:39:17,054 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:39:17,055 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-28 16:39:17,056 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:39:17,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:39:17,062 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-28 16:39:17,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:39:17,075 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14338058] [2019-11-28 16:39:17,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:39:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:39:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:39:17,188 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:39:17,189 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:39:17,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:39:17 BoogieIcfgContainer [2019-11-28 16:39:17,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:39:17,204 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:39:17,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:39:17,205 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:39:17,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:16" (3/4) ... [2019-11-28 16:39:17,210 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:39:17,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:39:17,214 INFO L168 Benchmark]: Toolchain (without parser) took 949.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -130.6 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:17,214 INFO L168 Benchmark]: CDTParser took 0.77 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 16:39:17,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.93 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 16:39:17,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:17,217 INFO L168 Benchmark]: Boogie Preprocessor took 19.17 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 16:39:17,218 INFO L168 Benchmark]: RCFGBuilder took 226.39 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:17,219 INFO L168 Benchmark]: TraceAbstraction took 230.17 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:17,220 INFO L168 Benchmark]: Witness Printer took 5.89 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 16:39:17,225 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 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 359.93 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 99.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.17 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 226.39 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 230.17 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.89 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 someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x,y,r; [L9] x = 77617.f [L10] y = 33096.f [L11] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [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 16:39:19,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:39:19,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:39:19,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:39:19,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:39:19,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:39:19,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:39:19,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:39:19,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:39:19,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:39:19,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:39:19,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:39:19,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:39:19,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:39:19,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:39:19,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:39:19,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:39:19,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:39:19,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:39:19,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:39:19,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:39:19,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:39:19,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:39:19,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:39:19,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:39:19,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:39:19,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:39:19,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:39:19,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:39:19,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:39:19,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:39:19,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:39:19,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:39:19,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:39:19,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:39:19,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:39:19,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:39:19,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:39:19,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:39:19,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:39:19,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:39:19,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:39:19,215 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:39:19,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:39:19,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:39:19,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:39:19,217 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:39:19,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:39:19,217 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:39:19,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:39:19,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:39:19,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:39:19,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:39:19,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:39:19,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:39:19,219 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:39:19,219 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:39:19,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:39:19,219 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:39:19,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:39:19,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:39:19,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:39:19,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:39:19,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:39:19,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:39:19,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:39:19,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:39:19,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:39:19,222 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:39:19,222 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:39:19,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:39:19,222 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:39:19,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:39:19,223 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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2019-11-28 16:39:19,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:39:19,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:39:19,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:39:19,538 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:39:19,538 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:39:19,539 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_float.c [2019-11-28 16:39:19,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e5fe8e9/cbf10927e298462cb21097d72c4c3a1f/FLAG4fee451a7 [2019-11-28 16:39:20,058 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:39:20,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_float.c [2019-11-28 16:39:20,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e5fe8e9/cbf10927e298462cb21097d72c4c3a1f/FLAG4fee451a7 [2019-11-28 16:39:20,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e5fe8e9/cbf10927e298462cb21097d72c4c3a1f [2019-11-28 16:39:20,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:39:20,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:39:20,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:39:20,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:39:20,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:39:20,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:20" (1/1) ... [2019-11-28 16:39:20,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec60d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20, skipping insertion in model container [2019-11-28 16:39:20,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:20" (1/1) ... [2019-11-28 16:39:20,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:39:20,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:39:20,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:39:20,693 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:39:20,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:39:20,732 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:39:20,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20 WrapperNode [2019-11-28 16:39:20,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:39:20,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:39:20,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:39:20,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:39:20,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20" (1/1) ... [2019-11-28 16:39:20,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20" (1/1) ... [2019-11-28 16:39:20,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:39:20,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:39:20,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:39:20,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:39:20,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20" (1/1) ... [2019-11-28 16:39:20,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20" (1/1) ... [2019-11-28 16:39:20,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20" (1/1) ... [2019-11-28 16:39:20,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20" (1/1) ... [2019-11-28 16:39:20,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20" (1/1) ... [2019-11-28 16:39:20,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20" (1/1) ... [2019-11-28 16:39:20,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20" (1/1) ... [2019-11-28 16:39:20,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:39:20,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:39:20,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:39:20,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:39:20,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20" (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 16:39:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:39:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:39:23,430 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:39:23,430 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 16:39:23,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:23 BoogieIcfgContainer [2019-11-28 16:39:23,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:39:23,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:39:23,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:39:23,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:39:23,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:39:20" (1/3) ... [2019-11-28 16:39:23,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14028a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:39:23, skipping insertion in model container [2019-11-28 16:39:23,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20" (2/3) ... [2019-11-28 16:39:23,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14028a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:39:23, skipping insertion in model container [2019-11-28 16:39:23,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:23" (3/3) ... [2019-11-28 16:39:23,439 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2019-11-28 16:39:23,448 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:39:23,453 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:39:23,465 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:39:23,491 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:39:23,492 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:39:23,492 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:39:23,492 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:39:23,493 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:39:23,493 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:39:23,493 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:39:23,493 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:39:23,509 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-28 16:39:23,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-28 16:39:23,515 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:39:23,516 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-28 16:39:23,516 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:39:23,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:39:23,522 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-11-28 16:39:23,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:39:23,532 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073922614] [2019-11-28 16:39:23,533 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 16:39:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:39:25,445 WARN L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 16:39:25,451 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:39:25,577 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 16:39:25,577 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:39:27,746 WARN L838 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) is different from false [2019-11-28 16:39:29,858 WARN L860 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) is different from true [2019-11-28 16:39:29,859 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 16:39:29,861 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073922614] [2019-11-28 16:39:29,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:39:29,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-28 16:39:29,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539521944] [2019-11-28 16:39:29,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 16:39:29,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:39:29,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 16:39:29,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2019-11-28 16:39:29,880 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 6 states. [2019-11-28 16:39:32,030 WARN L860 $PredicateComparison]: unable to prove that (and (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2019-11-28 16:39:32,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:39:32,048 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-28 16:39:32,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:39:32,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2019-11-28 16:39:32,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:39:32,057 INFO L225 Difference]: With dead ends: 13 [2019-11-28 16:39:32,058 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:39:32,061 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=12, Invalid=13, Unknown=3, NotChecked=14, Total=42 [2019-11-28 16:39:32,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:39:32,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:39:32,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:39:32,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:39:32,087 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-28 16:39:32,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:39:32,088 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:39:32,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 16:39:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:39:32,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:39:32,303 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:39:32,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:39:32,360 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 16:39:32,362 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:39:32,362 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:39:32,362 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:39:32,362 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:39:32,363 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-11-28 16:39:32,363 INFO L242 CegarLoopResult]: At program point L14(lines 6 15) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-28 16:39:32,363 INFO L246 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2019-11-28 16:39:32,363 INFO L246 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2019-11-28 16:39:32,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:39:32 BoogieIcfgContainer [2019-11-28 16:39:32,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:39:32,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:39:32,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:39:32,388 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:39:32,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:23" (3/4) ... [2019-11-28 16:39:32,392 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:39:32,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 16:39:32,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 16:39:32,416 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 16:39:32,453 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:39:32,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:39:32,456 INFO L168 Benchmark]: Toolchain (without parser) took 11980.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -109.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:32,456 INFO L168 Benchmark]: CDTParser took 0.22 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 16:39:32,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.56 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 16:39:32,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:32,459 INFO L168 Benchmark]: Boogie Preprocessor took 31.53 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 16:39:32,459 INFO L168 Benchmark]: RCFGBuilder took 2568.49 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: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:32,460 INFO L168 Benchmark]: TraceAbstraction took 8953.96 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: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:32,461 INFO L168 Benchmark]: Witness Printer took 66.49 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:32,465 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 257.56 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 97.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.53 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 2568.49 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: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8953.96 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: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. * Witness Printer took 66.49 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: 6.6 MB). Peak memory consumption was 6.6 MB. 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: 4]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6]: 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: 8.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 5 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4s 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, 1.6s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 618 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10 ConjunctsInSsa, 7 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...