./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/Rump_float.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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 -ea -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 0.1.25-8bd4bc6 [2020-07-28 17:21:49,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:21:49,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:21:49,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:21:49,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:21:49,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:21:49,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:21:49,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:21:49,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:21:49,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:21:49,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:21:49,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:21:49,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:21:49,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:21:49,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:21:49,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:21:49,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:21:49,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:21:49,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:21:49,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:21:49,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:21:49,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:21:49,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:21:49,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:21:49,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:21:49,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:21:49,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:21:49,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:21:49,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:21:49,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:21:49,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:21:49,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:21:49,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:21:49,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:21:49,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:21:49,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:21:49,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:21:49,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:21:49,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:21:49,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:21:49,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:21:49,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:21:49,949 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:21:49,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:21:49,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:21:49,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:21:49,952 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:21:49,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:21:49,952 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:21:49,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:21:49,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:21:49,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:21:49,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:21:49,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:21:49,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:21:49,954 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:21:49,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:21:49,955 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:21:49,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:21:49,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:21:49,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:21:49,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:21:49,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:21:49,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:21:49,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:21:49,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:21:49,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:21:49,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:21:49,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:21:49,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:21:49,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:21:49,959 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 [2020-07-28 17:21:50,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:21:50,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:21:50,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:21:50,293 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:21:50,294 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:21:50,295 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_float.c [2020-07-28 17:21:50,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af465572d/1cc831be6de943aeabb21f3144b03559/FLAG851e6ffc7 [2020-07-28 17:21:50,853 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:21:50,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_float.c [2020-07-28 17:21:50,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af465572d/1cc831be6de943aeabb21f3144b03559/FLAG851e6ffc7 [2020-07-28 17:21:51,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af465572d/1cc831be6de943aeabb21f3144b03559 [2020-07-28 17:21:51,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:21:51,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:21:51,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:21:51,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:21:51,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:21:51,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:21:51" (1/1) ... [2020-07-28 17:21:51,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b85cab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51, skipping insertion in model container [2020-07-28 17:21:51,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:21:51" (1/1) ... [2020-07-28 17:21:51,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:21:51,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:21:51,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:21:51,491 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:21:51,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:21:51,525 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:21:51,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51 WrapperNode [2020-07-28 17:21:51,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:21:51,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:21:51,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:21:51,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:21:51,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51" (1/1) ... [2020-07-28 17:21:51,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51" (1/1) ... [2020-07-28 17:21:51,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:21:51,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:21:51,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:21:51,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:21:51,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51" (1/1) ... [2020-07-28 17:21:51,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51" (1/1) ... [2020-07-28 17:21:51,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51" (1/1) ... [2020-07-28 17:21:51,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51" (1/1) ... [2020-07-28 17:21:51,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51" (1/1) ... [2020-07-28 17:21:51,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51" (1/1) ... [2020-07-28 17:21:51,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51" (1/1) ... [2020-07-28 17:21:51,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:21:51,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:21:51,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:21:51,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:21:51,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51" (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 [2020-07-28 17:21:51,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:21:51,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:21:51,882 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:21:51,883 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-28 17:21:51,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:21:51 BoogieIcfgContainer [2020-07-28 17:21:51,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:21:51,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:21:51,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:21:51,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:21:51,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:21:51" (1/3) ... [2020-07-28 17:21:51,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bfee9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:21:51, skipping insertion in model container [2020-07-28 17:21:51,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:51" (2/3) ... [2020-07-28 17:21:51,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bfee9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:21:51, skipping insertion in model container [2020-07-28 17:21:51,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:21:51" (3/3) ... [2020-07-28 17:21:51,898 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2020-07-28 17:21:51,909 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:21:51,917 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:21:51,930 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:21:51,950 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:21:51,950 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:21:51,950 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:21:51,951 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:21:51,951 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:21:51,951 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:21:51,951 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:21:51,952 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:21:51,964 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-07-28 17:21:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-07-28 17:21:51,970 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:21:51,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-07-28 17:21:51,972 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:21:51,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:21:51,979 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2020-07-28 17:21:51,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:21:51,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279903135] [2020-07-28 17:21:51,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:21:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:21:52,062 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:21:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:21:52,074 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:21:52,096 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:21:52,097 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:21:52,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:21:52,118 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:21:52,118 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-28 17:21:52,119 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-28 17:21:52,119 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-28 17:21:52,119 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-28 17:21:52,119 WARN L170 areAnnotationChecker]: L4-3 has no Hoare annotation [2020-07-28 17:21:52,119 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-28 17:21:52,120 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:21:52,120 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:21:52,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:21:52 BoogieIcfgContainer [2020-07-28 17:21:52,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:21:52,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:21:52,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:21:52,124 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:21:52,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:21:51" (3/4) ... [2020-07-28 17:21:52,129 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:21:52,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:21:52,134 INFO L168 Benchmark]: Toolchain (without parser) took 900.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:21:52,135 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:21:52,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.10 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:21:52,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:21:52,137 INFO L168 Benchmark]: Boogie Preprocessor took 19.97 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. [2020-07-28 17:21:52,138 INFO L168 Benchmark]: RCFGBuilder took 232.70 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: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:21:52,139 INFO L168 Benchmark]: TraceAbstraction took 232.24 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:21:52,140 INFO L168 Benchmark]: Witness Printer took 6.09 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. [2020-07-28 17:21:52,144 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.10 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 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 110.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.97 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 232.70 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: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 232.24 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.09 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. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:21:54,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:21:54,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:21:54,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:21:54,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:21:54,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:21:54,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:21:54,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:21:54,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:21:54,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:21:54,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:21:54,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:21:54,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:21:54,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:21:54,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:21:54,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:21:54,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:21:54,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:21:54,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:21:54,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:21:54,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:21:54,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:21:54,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:21:54,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:21:54,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:21:54,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:21:54,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:21:54,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:21:54,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:21:54,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:21:54,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:21:54,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:21:54,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:21:54,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:21:54,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:21:54,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:21:54,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:21:54,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:21:54,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:21:54,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:21:54,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:21:54,184 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:21:54,202 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:21:54,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:21:54,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:21:54,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:21:54,205 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:21:54,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:21:54,205 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:21:54,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:21:54,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:21:54,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:21:54,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:21:54,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:21:54,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:21:54,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:21:54,208 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:21:54,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:21:54,208 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:21:54,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:21:54,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:21:54,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:21:54,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:21:54,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:21:54,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:21:54,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:21:54,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:21:54,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:21:54,211 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:21:54,211 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:21:54,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:21:54,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:21:54,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:21:54,212 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 [2020-07-28 17:21:54,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:21:54,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:21:54,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:21:54,544 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:21:54,545 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:21:54,546 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_float.c [2020-07-28 17:21:54,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/290bdc7c7/6fc86616336049058428dbd53a23629e/FLAG6d9d9e45c [2020-07-28 17:21:54,987 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:21:54,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_float.c [2020-07-28 17:21:54,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/290bdc7c7/6fc86616336049058428dbd53a23629e/FLAG6d9d9e45c [2020-07-28 17:21:55,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/290bdc7c7/6fc86616336049058428dbd53a23629e [2020-07-28 17:21:55,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:21:55,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:21:55,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:21:55,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:21:55,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:21:55,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:21:55" (1/1) ... [2020-07-28 17:21:55,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf1f681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55, skipping insertion in model container [2020-07-28 17:21:55,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:21:55" (1/1) ... [2020-07-28 17:21:55,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:21:55,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:21:55,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:21:55,595 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:21:55,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:21:55,633 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:21:55,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55 WrapperNode [2020-07-28 17:21:55,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:21:55,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:21:55,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:21:55,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:21:55,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55" (1/1) ... [2020-07-28 17:21:55,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55" (1/1) ... [2020-07-28 17:21:55,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:21:55,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:21:55,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:21:55,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:21:55,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55" (1/1) ... [2020-07-28 17:21:55,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55" (1/1) ... [2020-07-28 17:21:55,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55" (1/1) ... [2020-07-28 17:21:55,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55" (1/1) ... [2020-07-28 17:21:55,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55" (1/1) ... [2020-07-28 17:21:55,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55" (1/1) ... [2020-07-28 17:21:55,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55" (1/1) ... [2020-07-28 17:21:55,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:21:55,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:21:55,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:21:55,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:21:55,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55" (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 [2020-07-28 17:21:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:21:55,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:21:58,462 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:21:58,462 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-28 17:21:58,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:21:58 BoogieIcfgContainer [2020-07-28 17:21:58,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:21:58,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:21:58,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:21:58,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:21:58,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:21:55" (1/3) ... [2020-07-28 17:21:58,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418984d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:21:58, skipping insertion in model container [2020-07-28 17:21:58,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:21:55" (2/3) ... [2020-07-28 17:21:58,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418984d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:21:58, skipping insertion in model container [2020-07-28 17:21:58,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:21:58" (3/3) ... [2020-07-28 17:21:58,492 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2020-07-28 17:21:58,519 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:21:58,533 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:21:58,572 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:21:58,610 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:21:58,611 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:21:58,611 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:21:58,611 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:21:58,612 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:21:58,612 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:21:58,612 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:21:58,613 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:21:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-07-28 17:21:58,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-07-28 17:21:58,639 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:21:58,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-07-28 17:21:58,641 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:21:58,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:21:58,648 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-07-28 17:21:58,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:21:58,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242456702] [2020-07-28 17:21:58,666 INFO L95 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 [2020-07-28 17:22:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:22:00,548 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-28 17:22:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:22:00,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:22:00,740 INFO L280 TraceCheckUtils]: 0: Hoare triple {12#true} currentRoundingMode := ~roundNearestTiesToEven; {17#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:22:00,744 INFO L280 TraceCheckUtils]: 1: Hoare triple {17#(= currentRoundingMode roundNearestTiesToEven)} havoc main_#res;havoc main_~x~0, main_~y~0, main_~r~0;havoc main_~x~0;havoc main_~y~0;havoc main_~r~0;main_~x~0 := ~to_fp~FLOAT(currentRoundingMode, 77617.0);main_~y~0 := ~to_fp~FLOAT(currentRoundingMode, 33096.0);main_~r~0 := ~fp.add~FLOAT(currentRoundingMode, ~fp.add~FLOAT(currentRoundingMode, ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 333.75), main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0), ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~x~0, main_~x~0), ~fp.sub~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 11.0), main_~x~0), main_~x~0), main_~y~0), main_~y~0), ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~y~0, main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0)), ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 121.0), main_~y~0), main_~y~0), main_~y~0), main_~y~0)), ~to_fp~FLOAT(currentRoundingMode, 2.0)))), ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 5.5), main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0)), ~fp.div~FLOAT(currentRoundingMode, main_~x~0, ~fp.mul~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 2.0), main_~y~0)));__VERIFIER_assert_#in~cond := (if ~fp.geq~FLOAT(main_~r~0, ~convertINTToFLOAT(currentRoundingMode, 0bv32)) then 1bv32 else 0bv32);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {21#(= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:22:00,746 INFO L280 TraceCheckUtils]: 2: Hoare triple {21#(= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == __VERIFIER_assert_~cond; {13#false} is VALID [2020-07-28 17:22:00,747 INFO L280 TraceCheckUtils]: 3: Hoare triple {13#false} assume !false; {13#false} is VALID [2020-07-28 17:22:00,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:22:00,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:22:05,639 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 [2020-07-28 17:22:07,769 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 [2020-07-28 17:22:07,770 INFO L280 TraceCheckUtils]: 3: Hoare triple {13#false} assume !false; {13#false} is VALID [2020-07-28 17:22:07,771 INFO L280 TraceCheckUtils]: 2: Hoare triple {31#(not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))} assume 0bv32 == __VERIFIER_assert_~cond; {13#false} is VALID [2020-07-28 17:22:07,781 INFO L280 TraceCheckUtils]: 1: Hoare triple {35#(fp.geq (fp.add currentRoundingMode (fp.add currentRoundingMode (fp.add currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode (/ 1335.0 4.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 77617.0) ((_ to_fp 8 24) currentRoundingMode 77617.0)) (fp.sub currentRoundingMode (fp.sub currentRoundingMode (fp.sub currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 11.0) ((_ to_fp 8 24) currentRoundingMode 77617.0)) ((_ to_fp 8 24) currentRoundingMode 77617.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 33096.0) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0))) (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 121.0) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0))) ((_ to_fp 8 24) currentRoundingMode 2.0)))) (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode (/ 11.0 2.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0))) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 77617.0) (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 2.0) ((_ to_fp 8 24) currentRoundingMode 33096.0)))) ((_ to_fp 8 24) currentRoundingMode (_ bv0 32)))} havoc main_#res;havoc main_~x~0, main_~y~0, main_~r~0;havoc main_~x~0;havoc main_~y~0;havoc main_~r~0;main_~x~0 := ~to_fp~FLOAT(currentRoundingMode, 77617.0);main_~y~0 := ~to_fp~FLOAT(currentRoundingMode, 33096.0);main_~r~0 := ~fp.add~FLOAT(currentRoundingMode, ~fp.add~FLOAT(currentRoundingMode, ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 333.75), main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0), ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~x~0, main_~x~0), ~fp.sub~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 11.0), main_~x~0), main_~x~0), main_~y~0), main_~y~0), ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~y~0, main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0)), ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 121.0), main_~y~0), main_~y~0), main_~y~0), main_~y~0)), ~to_fp~FLOAT(currentRoundingMode, 2.0)))), ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 5.5), main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0), main_~y~0)), ~fp.div~FLOAT(currentRoundingMode, main_~x~0, ~fp.mul~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 2.0), main_~y~0)));__VERIFIER_assert_#in~cond := (if ~fp.geq~FLOAT(main_~r~0, ~convertINTToFLOAT(currentRoundingMode, 0bv32)) then 1bv32 else 0bv32);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {31#(not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))} is VALID [2020-07-28 17:22:07,794 INFO L280 TraceCheckUtils]: 0: Hoare triple {12#true} currentRoundingMode := ~roundNearestTiesToEven; {35#(fp.geq (fp.add currentRoundingMode (fp.add currentRoundingMode (fp.add currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode (/ 1335.0 4.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 77617.0) ((_ to_fp 8 24) currentRoundingMode 77617.0)) (fp.sub currentRoundingMode (fp.sub currentRoundingMode (fp.sub currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 11.0) ((_ to_fp 8 24) currentRoundingMode 77617.0)) ((_ to_fp 8 24) currentRoundingMode 77617.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 33096.0) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0))) (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 121.0) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0))) ((_ to_fp 8 24) currentRoundingMode 2.0)))) (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode (/ 11.0 2.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0)) ((_ to_fp 8 24) currentRoundingMode 33096.0))) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 77617.0) (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 2.0) ((_ to_fp 8 24) currentRoundingMode 33096.0)))) ((_ to_fp 8 24) currentRoundingMode (_ bv0 32)))} is VALID [2020-07-28 17:22:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:22:07,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242456702] [2020-07-28 17:22:07,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:22:07,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-07-28 17:22:07,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662540599] [2020-07-28 17:22:07,806 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2020-07-28 17:22:07,808 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:22:07,811 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 17:22:11,015 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 6 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2020-07-28 17:22:11,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 17:22:11,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:22:11,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 17:22:11,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2020-07-28 17:22:11,029 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 6 states. [2020-07-28 17:22:13,194 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (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 [2020-07-28 17:22:21,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:22:21,777 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-07-28 17:22:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 17:22:21,778 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2020-07-28 17:22:21,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:22:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:22:21,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-07-28 17:22:21,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:22:21,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-07-28 17:22:21,787 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 12 transitions. [2020-07-28 17:22:22,953 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:22:22,962 INFO L225 Difference]: With dead ends: 13 [2020-07-28 17:22:22,962 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:22:22,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=12, Invalid=13, Unknown=3, NotChecked=14, Total=42 [2020-07-28 17:22:22,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:22:22,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:22:23,000 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:22:23,001 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:22:23,002 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:22:23,003 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:22:23,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:22:23,004 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:22:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:22:23,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:22:23,005 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:22:23,005 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:22:23,006 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:22:23,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:22:23,006 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:22:23,006 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:22:23,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:22:23,007 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:22:23,007 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:22:23,008 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:22:23,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:22:23,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:22:23,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-07-28 17:22:23,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:22:23,011 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:22:23,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 17:22:23,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:22:23,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:22:23,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:22:23,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:22:23,284 INFO L264 CegarLoopResult]: At program point L4-3(line 4) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:22:23,284 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:22:23,284 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:22:23,284 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:22:23,284 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:22:23,284 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-07-28 17:22:23,285 INFO L264 CegarLoopResult]: At program point L14(lines 6 15) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:22:23,285 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-28 17:22:23,285 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-07-28 17:22:23,290 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:22:23,291 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:22:23,291 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-28 17:22:23,291 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-28 17:22:23,291 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-28 17:22:23,292 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-28 17:22:23,293 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:22:23,293 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:22:23,293 INFO L163 areAnnotationChecker]: CFG has 1 edges. 1 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:22:23,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:22:23 BoogieIcfgContainer [2020-07-28 17:22:23,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:22:23,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:22:23,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:22:23,305 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:22:23,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:21:58" (3/4) ... [2020-07-28 17:22:23,314 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:22:23,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-07-28 17:22:23,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 17:22:23,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:22:23,370 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:22:23,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:22:23,374 INFO L168 Benchmark]: Toolchain (without parser) took 27996.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 956.2 MB in the beginning and 1.0 GB in the end (delta: -81.6 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:23,375 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:22:23,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.33 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:23,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:23,377 INFO L168 Benchmark]: Boogie Preprocessor took 62.50 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. [2020-07-28 17:22:23,378 INFO L168 Benchmark]: RCFGBuilder took 2667.41 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:23,379 INFO L168 Benchmark]: TraceAbstraction took 24832.94 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: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:23,382 INFO L168 Benchmark]: Witness Printer took 66.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:23,389 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.33 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 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 104.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.50 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 2667.41 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24832.94 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: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. * Witness Printer took 66.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, 6.5s 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, 7.3s 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...