./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-benchs/cast_float_ptr_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: 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 /storage/repos/svcomp/c/float-benchs/cast_float_ptr_false-unreach-call_true-termination.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 4f322714ac20f006604c99f1f234e99ccbfae195 ........................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: 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 /storage/repos/svcomp/c/float-benchs/cast_float_ptr_false-unreach-call_true-termination.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 4f322714ac20f006604c99f1f234e99ccbfae195 .................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:57:06,871 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:57:06,873 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:57:06,891 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:57:06,891 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:57:06,893 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:57:06,894 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:57:06,896 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:57:06,898 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:57:06,899 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:57:06,900 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:57:06,900 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:57:06,901 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:57:06,902 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:57:06,904 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:57:06,904 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:57:06,906 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:57:06,908 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:57:06,910 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:57:06,912 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:57:06,914 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:57:06,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:57:06,917 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:57:06,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:57:06,918 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:57:06,919 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:57:06,920 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:57:06,921 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:57:06,922 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:57:06,924 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:57:06,924 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:57:06,924 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:57:06,925 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:57:06,925 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:57:06,926 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:57:06,927 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:57:06,928 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 07:57:06,955 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:57:06,956 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:57:06,957 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:57:06,957 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:57:06,957 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:57:06,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:57:06,957 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:57:06,959 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 07:57:06,959 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:57:06,960 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:57:06,960 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:57:06,960 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:57:06,960 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:57:06,960 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:57:06,960 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:57:06,962 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:57:06,962 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:57:06,962 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:57:06,962 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:57:06,962 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:57:06,963 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:57:06,965 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:57:06,965 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:57:06,965 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:57:06,966 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:57:06,966 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 07:57:06,966 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:57:06,966 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 07:57:06,966 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 4f322714ac20f006604c99f1f234e99ccbfae195 [2019-01-12 07:57:07,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:57:07,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:57:07,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:57:07,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:57:07,042 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:57:07,043 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-benchs/cast_float_ptr_false-unreach-call_true-termination.c [2019-01-12 07:57:07,100 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2de8312d2/d0a04bd168dc4a79a938328263496c91/FLAG59e3bfa23 [2019-01-12 07:57:07,561 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:57:07,563 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-benchs/cast_float_ptr_false-unreach-call_true-termination.c [2019-01-12 07:57:07,569 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2de8312d2/d0a04bd168dc4a79a938328263496c91/FLAG59e3bfa23 [2019-01-12 07:57:07,907 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2de8312d2/d0a04bd168dc4a79a938328263496c91 [2019-01-12 07:57:07,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:57:07,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:57:07,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:57:07,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:57:07,920 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:57:07,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:57:07" (1/1) ... [2019-01-12 07:57:07,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ff059c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:07, skipping insertion in model container [2019-01-12 07:57:07,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:57:07" (1/1) ... [2019-01-12 07:57:07,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:57:07,961 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:57:08,187 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:57:08,203 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:57:08,225 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:57:08,243 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:57:08,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:08 WrapperNode [2019-01-12 07:57:08,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:57:08,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:57:08,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:57:08,245 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:57:08,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:08" (1/1) ... [2019-01-12 07:57:08,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:08" (1/1) ... [2019-01-12 07:57:08,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:57:08,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:57:08,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:57:08,295 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:57:08,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:08" (1/1) ... [2019-01-12 07:57:08,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:08" (1/1) ... [2019-01-12 07:57:08,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:08" (1/1) ... [2019-01-12 07:57:08,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:08" (1/1) ... [2019-01-12 07:57:08,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:08" (1/1) ... [2019-01-12 07:57:08,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:08" (1/1) ... [2019-01-12 07:57:08,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:08" (1/1) ... [2019-01-12 07:57:08,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:57:08,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:57:08,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:57:08,331 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:57:08,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:08" (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 [2019-01-12 07:57:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 07:57:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 07:57:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 07:57:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 07:57:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:57:08,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:57:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 07:57:08,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 07:57:08,798 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:57:08,798 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2019-01-12 07:57:08,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:57:08 BoogieIcfgContainer [2019-01-12 07:57:08,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:57:08,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:57:08,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:57:08,804 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:57:08,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:57:07" (1/3) ... [2019-01-12 07:57:08,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3300bc20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:57:08, skipping insertion in model container [2019-01-12 07:57:08,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:08" (2/3) ... [2019-01-12 07:57:08,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3300bc20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:57:08, skipping insertion in model container [2019-01-12 07:57:08,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:57:08" (3/3) ... [2019-01-12 07:57:08,808 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_float_ptr_false-unreach-call_true-termination.c [2019-01-12 07:57:08,815 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:57:08,823 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:57:08,841 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:57:08,870 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:57:08,871 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:57:08,871 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:57:08,871 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:57:08,871 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:57:08,871 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:57:08,872 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:57:08,872 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:57:08,872 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:57:08,887 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-01-12 07:57:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 07:57:08,894 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:57:08,895 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:57:08,897 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:57:08,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:57:08,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2019-01-12 07:57:08,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 07:57:08,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 07:57:08,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:57:08,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:57:08,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:57:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:57:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:57:09,104 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 07:57:09,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:57:09 BoogieIcfgContainer [2019-01-12 07:57:09,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:57:09,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:57:09,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:57:09,134 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:57:09,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:57:08" (3/4) ... [2019-01-12 07:57:09,140 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 07:57:09,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:57:09,141 INFO L168 Benchmark]: Toolchain (without parser) took 1228.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:57:09,143 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:57:09,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.27 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:09,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.71 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:57:09,146 INFO L168 Benchmark]: Boogie Preprocessor took 35.95 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:09,147 INFO L168 Benchmark]: RCFGBuilder took 469.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:09,150 INFO L168 Benchmark]: TraceAbstraction took 331.91 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:09,151 INFO L168 Benchmark]: Witness Printer took 6.44 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. [2019-01-12 07:57:09,156 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.27 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 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 49.71 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.95 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 469.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 331.91 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.44 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: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 23, overapproximation of bitwiseAnd at line 11. Possible FailurePath: [L32] double a; [L33] float r; [L35] a = __VERIFIER_nondet_double() [L8] double dmax; [L9] float f; [L11] EXPR \read(d) [L11] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L13] ((unsigned*)&dmax)[0] = 0x47efffff [L14] ((unsigned*)&dmax)[1] = 0xe0000000 [L16] EXPR \read(d) [L16] EXPR \read(dmax) [L16] COND FALSE !(d > dmax) [L19] EXPR \read(d) [L19] EXPR \read(dmax) [L19] COND FALSE !(-d > dmax) [L23] EXPR \read(d) [L23] d >= -3.41e38 && d <= 3.41e38 [L23] EXPR \read(d) [L23] d >= -3.41e38 && d <= 3.41e38 [L3] COND TRUE !(cond) [L3] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:57:11,445 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:57:11,447 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:57:11,459 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:57:11,460 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:57:11,461 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:57:11,462 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:57:11,464 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:57:11,466 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:57:11,467 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:57:11,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:57:11,469 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:57:11,470 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:57:11,471 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:57:11,472 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:57:11,473 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:57:11,474 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:57:11,476 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:57:11,479 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:57:11,480 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:57:11,482 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:57:11,483 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:57:11,486 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:57:11,487 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:57:11,487 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:57:11,488 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:57:11,489 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:57:11,490 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:57:11,491 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:57:11,493 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:57:11,493 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:57:11,494 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:57:11,494 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:57:11,494 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:57:11,496 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:57:11,497 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:57:11,497 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 07:57:11,521 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:57:11,522 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:57:11,523 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:57:11,523 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:57:11,524 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:57:11,524 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:57:11,524 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:57:11,524 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:57:11,525 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:57:11,525 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:57:11,525 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:57:11,525 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:57:11,525 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 07:57:11,526 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 07:57:11,526 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:57:11,526 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:57:11,526 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:57:11,526 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:57:11,527 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:57:11,527 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:57:11,527 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:57:11,527 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:57:11,528 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:57:11,528 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:57:11,528 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:57:11,528 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:57:11,528 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 07:57:11,529 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:57:11,529 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 07:57:11,529 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 07:57:11,529 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 4f322714ac20f006604c99f1f234e99ccbfae195 [2019-01-12 07:57:11,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:57:11,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:57:11,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:57:11,628 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:57:11,629 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:57:11,630 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-benchs/cast_float_ptr_false-unreach-call_true-termination.c [2019-01-12 07:57:11,690 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58ec3459c/d98964a4b964488e876a4d18a1461204/FLAG00262e94a [2019-01-12 07:57:12,126 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:57:12,127 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-benchs/cast_float_ptr_false-unreach-call_true-termination.c [2019-01-12 07:57:12,133 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58ec3459c/d98964a4b964488e876a4d18a1461204/FLAG00262e94a [2019-01-12 07:57:12,474 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58ec3459c/d98964a4b964488e876a4d18a1461204 [2019-01-12 07:57:12,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:57:12,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:57:12,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:57:12,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:57:12,483 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:57:12,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:57:12" (1/1) ... [2019-01-12 07:57:12,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c73574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12, skipping insertion in model container [2019-01-12 07:57:12,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:57:12" (1/1) ... [2019-01-12 07:57:12,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:57:12,524 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:57:12,740 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:57:12,758 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:57:12,790 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:57:12,832 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:57:12,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12 WrapperNode [2019-01-12 07:57:12,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:57:12,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:57:12,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:57:12,834 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:57:12,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12" (1/1) ... [2019-01-12 07:57:12,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12" (1/1) ... [2019-01-12 07:57:12,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:57:12,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:57:12,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:57:12,901 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:57:12,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12" (1/1) ... [2019-01-12 07:57:12,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12" (1/1) ... [2019-01-12 07:57:12,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12" (1/1) ... [2019-01-12 07:57:12,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12" (1/1) ... [2019-01-12 07:57:12,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12" (1/1) ... [2019-01-12 07:57:13,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12" (1/1) ... [2019-01-12 07:57:13,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12" (1/1) ... [2019-01-12 07:57:13,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:57:13,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:57:13,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:57:13,071 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:57:13,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12" (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 [2019-01-12 07:57:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-01-12 07:57:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-01-12 07:57:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 07:57:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 07:57:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 07:57:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:57:13,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:57:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 07:57:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 07:57:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 07:57:13,376 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 07:57:13,463 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 07:57:13,680 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:57:13,683 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2019-01-12 07:57:13,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:57:13 BoogieIcfgContainer [2019-01-12 07:57:13,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:57:13,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:57:13,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:57:13,689 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:57:13,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:57:12" (1/3) ... [2019-01-12 07:57:13,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f4680a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:57:13, skipping insertion in model container [2019-01-12 07:57:13,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:57:12" (2/3) ... [2019-01-12 07:57:13,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f4680a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:57:13, skipping insertion in model container [2019-01-12 07:57:13,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:57:13" (3/3) ... [2019-01-12 07:57:13,693 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_float_ptr_false-unreach-call_true-termination.c [2019-01-12 07:57:13,703 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:57:13,709 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:57:13,725 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:57:13,754 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:57:13,755 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:57:13,755 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:57:13,755 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:57:13,755 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:57:13,755 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:57:13,756 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:57:13,756 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:57:13,756 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:57:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-01-12 07:57:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 07:57:13,773 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:57:13,774 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:57:13,777 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:57:13,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:57:13,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2019-01-12 07:57:13,788 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:57:13,788 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-12 07:57:13,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:57:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:57:13,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:57:13,955 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2019-01-12 07:57:13,966 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2019-01-12 07:57:14,004 INFO L701 Elim1Store]: detected not equals via solver [2019-01-12 07:57:14,011 INFO L701 Elim1Store]: detected not equals via solver [2019-01-12 07:57:14,013 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 31 [2019-01-12 07:57:14,015 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-12 07:57:14,080 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 07:57:14,117 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 07:57:14,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-01-12 07:57:14,162 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:107, output treesize:107 [2019-01-12 07:57:14,699 WARN L181 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2019-01-12 07:57:14,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:57:14,707 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:57:14,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:57:14,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 07:57:14,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 07:57:14,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 07:57:14,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-12 07:57:14,759 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 5 states. [2019-01-12 07:57:15,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:57:15,315 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2019-01-12 07:57:15,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 07:57:15,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-01-12 07:57:15,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:57:15,333 INFO L225 Difference]: With dead ends: 26 [2019-01-12 07:57:15,334 INFO L226 Difference]: Without dead ends: 10 [2019-01-12 07:57:15,337 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-12 07:57:15,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-12 07:57:15,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-01-12 07:57:15,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-12 07:57:15,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2019-01-12 07:57:15,371 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2019-01-12 07:57:15,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:57:15,372 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2019-01-12 07:57:15,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 07:57:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2019-01-12 07:57:15,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 07:57:15,373 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:57:15,373 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:57:15,373 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:57:15,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:57:15,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2019-01-12 07:57:15,374 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:57:15,375 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2019-01-12 07:57:15,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-01-12 07:57:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:57:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:57:15,563 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 07:57:15,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:57:15 BoogieIcfgContainer [2019-01-12 07:57:15,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:57:15,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:57:15,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:57:15,595 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:57:15,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:57:13" (3/4) ... [2019-01-12 07:57:15,598 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-12 07:57:15,655 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 07:57:15,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:57:15,657 INFO L168 Benchmark]: Toolchain (without parser) took 3179.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -83.3 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:15,658 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:57:15,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.60 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:15,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.30 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:15,660 INFO L168 Benchmark]: Boogie Preprocessor took 169.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:15,661 INFO L168 Benchmark]: RCFGBuilder took 614.42 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: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:15,663 INFO L168 Benchmark]: TraceAbstraction took 1908.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:15,664 INFO L168 Benchmark]: Witness Printer took 61.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:57:15,669 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.60 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 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 66.30 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 169.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 614.42 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: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1908.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. * Witness Printer took 61.22 ms. Allocated memory is still 1.2 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: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L32] double a; [L33] float r; [L35] a = __VERIFIER_nondet_double() [L8] double dmax; [L9] float f; [L11] EXPR \read(d) [L11] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L13] ((unsigned*)&dmax)[0] = 0x47efffff [L14] ((unsigned*)&dmax)[1] = 0xe0000000 [L16] EXPR \read(d) [L16] EXPR \read(dmax) [L16] COND FALSE !(d > dmax) [L19] EXPR \read(d) [L19] EXPR \read(dmax) [L19] COND FALSE !(-d > dmax) [L23] EXPR \read(d) [L23] d >= -3.41e38 && d <= 3.41e38 [L3] COND TRUE !(cond) [L3] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. UNSAFE Result, 1.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 11 SDslu, 11 SDs, 0 SdLazy, 25 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 3 QuantifiedInterpolants, 2680 SizeOfPredicates, 3 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...