./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8f01f5987eb2c4fb8b66f29a3966d897a56af4a ......................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8f01f5987eb2c4fb8b66f29a3966d897a56af4a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:03:33,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:03:33,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:03:33,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:03:33,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:03:33,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:03:33,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:03:33,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:03:33,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:03:33,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:03:33,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:03:33,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:03:33,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:03:33,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:03:33,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:03:33,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:03:33,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:03:33,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:03:33,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:03:33,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:03:33,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:03:33,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:03:33,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:03:33,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:03:33,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:03:33,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:03:33,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:03:33,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:03:33,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:03:33,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:03:33,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:03:33,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:03:33,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:03:33,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:03:33,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:03:33,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:03:33,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:03:33,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:03:33,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:03:33,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:03:33,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:03:33,179 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 15:03:33,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:03:33,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:03:33,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:03:33,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:03:33,235 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:03:33,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:03:33,235 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:03:33,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:03:33,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:03:33,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:03:33,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:03:33,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:03:33,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:03:33,238 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:03:33,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:03:33,239 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:03:33,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:03:33,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:03:33,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:03:33,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:03:33,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:03:33,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:03:33,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:03:33,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:03:33,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:03:33,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:03:33,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:03:33,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:03:33,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:03:33,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f01f5987eb2c4fb8b66f29a3966d897a56af4a [2020-10-24 15:03:33,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:03:33,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:03:33,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:03:33,803 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:03:33,804 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:03:33,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2020-10-24 15:03:33,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a8a03141/e8a71edbe51b434f8da5f83fea4834af/FLAG4f40dd54d [2020-10-24 15:03:34,598 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:03:34,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2020-10-24 15:03:34,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a8a03141/e8a71edbe51b434f8da5f83fea4834af/FLAG4f40dd54d [2020-10-24 15:03:34,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a8a03141/e8a71edbe51b434f8da5f83fea4834af [2020-10-24 15:03:34,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:03:34,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:03:34,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:34,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:03:34,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:03:34,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:34,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1226d8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34, skipping insertion in model container [2020-10-24 15:03:34,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:34,987 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:03:35,006 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:03:35,226 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:35,237 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:03:35,263 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:35,280 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:03:35,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:35 WrapperNode [2020-10-24 15:03:35,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:35,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:35,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:03:35,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:03:35,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:35" (1/1) ... [2020-10-24 15:03:35,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:35" (1/1) ... [2020-10-24 15:03:35,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:35,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:03:35,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:03:35,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:03:35,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:35" (1/1) ... [2020-10-24 15:03:35,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:35" (1/1) ... [2020-10-24 15:03:35,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:35" (1/1) ... [2020-10-24 15:03:35,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:35" (1/1) ... [2020-10-24 15:03:35,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:35" (1/1) ... [2020-10-24 15:03:35,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:35" (1/1) ... [2020-10-24 15:03:35,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:35" (1/1) ... [2020-10-24 15:03:35,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:03:35,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:03:35,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:03:35,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:03:35,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 15:03:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:03:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:03:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:03:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:03:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:03:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:03:35,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:03:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:03:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:03:35,952 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:03:35,953 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 15:03:35,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:35 BoogieIcfgContainer [2020-10-24 15:03:35,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:03:35,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:03:35,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:03:35,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:03:35,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:03:34" (1/3) ... [2020-10-24 15:03:35,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbd2d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:03:35, skipping insertion in model container [2020-10-24 15:03:35,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:35" (2/3) ... [2020-10-24 15:03:35,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbd2d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:03:35, skipping insertion in model container [2020-10-24 15:03:35,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:35" (3/3) ... [2020-10-24 15:03:35,967 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2020-10-24 15:03:35,981 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:03:35,986 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:03:36,005 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:03:36,052 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:03:36,052 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:03:36,052 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:03:36,052 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:03:36,052 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:03:36,052 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:03:36,053 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:03:36,053 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:03:36,071 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-24 15:03:36,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 15:03:36,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:36,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:36,079 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:36,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:36,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-10-24 15:03:36,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:03:36,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569150729] [2020-10-24 15:03:36,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:03:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:36,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:36,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569150729] [2020-10-24 15:03:36,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:03:36,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:03:36,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853358116] [2020-10-24 15:03:36,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:03:36,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:03:36,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:03:36,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:03:36,335 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-10-24 15:03:36,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:03:36,357 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-10-24 15:03:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:03:36,358 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-24 15:03:36,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:03:36,375 INFO L225 Difference]: With dead ends: 37 [2020-10-24 15:03:36,375 INFO L226 Difference]: Without dead ends: 16 [2020-10-24 15:03:36,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:03:36,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-24 15:03:36,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-24 15:03:36,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-24 15:03:36,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-10-24 15:03:36,420 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-10-24 15:03:36,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:03:36,420 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-10-24 15:03:36,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:03:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-10-24 15:03:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:03:36,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:36,421 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:36,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:03:36,422 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:36,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:36,423 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-10-24 15:03:36,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:03:36,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777829104] [2020-10-24 15:03:36,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:03:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:03:36,468 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:03:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:03:36,537 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:03:36,567 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:03:36,567 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:03:36,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:03:36,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:03:36 BoogieIcfgContainer [2020-10-24 15:03:36,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:03:36,608 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:03:36,608 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:03:36,608 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:03:36,609 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:35" (3/4) ... [2020-10-24 15:03:36,613 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:03:36,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:03:36,615 INFO L168 Benchmark]: Toolchain (without parser) took 1657.91 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.4 MB in the beginning and 28.1 MB in the end (delta: -5.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:36,616 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 37.7 MB. Free memory was 23.7 MB in the beginning and 23.7 MB in the end (delta: 30.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:36,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.13 ms. Allocated memory is still 46.1 MB. Free memory was 21.8 MB in the beginning and 22.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:36,618 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.41 ms. Allocated memory is still 46.1 MB. Free memory was 22.9 MB in the beginning and 21.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:36,619 INFO L168 Benchmark]: Boogie Preprocessor took 29.16 ms. Allocated memory is still 46.1 MB. Free memory was 21.3 MB in the beginning and 20.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:36,620 INFO L168 Benchmark]: RCFGBuilder took 603.69 ms. Allocated memory is still 46.1 MB. Free memory was 20.0 MB in the beginning and 27.7 MB in the end (delta: -7.8 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:36,621 INFO L168 Benchmark]: TraceAbstraction took 648.82 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 27.4 MB in the beginning and 28.7 MB in the end (delta: -1.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:36,622 INFO L168 Benchmark]: Witness Printer took 5.01 ms. Allocated memory is still 56.6 MB. Free memory was 28.7 MB in the beginning and 28.1 MB in the end (delta: 582.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:36,626 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 37.7 MB. Free memory was 23.7 MB in the beginning and 23.7 MB in the end (delta: 30.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 314.13 ms. Allocated memory is still 46.1 MB. Free memory was 21.8 MB in the beginning and 22.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.41 ms. Allocated memory is still 46.1 MB. Free memory was 22.9 MB in the beginning and 21.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.16 ms. Allocated memory is still 46.1 MB. Free memory was 21.3 MB in the beginning and 20.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 603.69 ms. Allocated memory is still 46.1 MB. Free memory was 20.0 MB in the beginning and 27.7 MB in the end (delta: -7.8 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 648.82 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 27.4 MB in the beginning and 28.7 MB in the end (delta: -1.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.01 ms. Allocated memory is still 56.6 MB. Free memory was 28.7 MB in the beginning and 28.1 MB in the end (delta: 582.2 kB). There was no memory consumed. Max. memory is 16.1 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 someUnaryDOUBLE_SMToperation at line 49, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 53, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L49] double x = -0.0; [L28] __uint32_t high; [L30] ieee_double_shape_type gh_u; [L31] gh_u.value = (x) [L32] EXPR gh_u.parts.msw [L32] (high) = gh_u.parts.msw [L35] ieee_double_shape_type sh_u; [L36] sh_u.value = (x) [L37] sh_u.parts.msw = (high & 0x7fffffff) [L38] EXPR sh_u.value [L38] (x) = sh_u.value [L40] return x; [L50] double res = fabs_double(x); [L53] EXPR res == 0.0 && __signbit_double(res) == 0 [L53] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1011b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 0.2.0-ee8e70e [2020-10-24 15:03:39,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:03:39,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:03:39,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:03:39,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:03:39,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:03:39,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:03:39,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:03:39,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:03:39,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:03:39,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:03:39,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:03:39,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:03:39,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:03:39,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:03:39,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:03:39,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:03:39,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:03:39,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:03:39,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:03:39,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:03:39,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:03:39,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:03:39,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:03:39,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:03:39,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:03:39,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:03:39,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:03:39,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:03:39,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:03:39,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:03:39,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:03:39,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:03:39,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:03:39,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:03:39,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:03:39,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:03:39,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:03:39,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:03:39,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:03:39,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:03:39,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 15:03:39,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:03:39,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:03:39,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:03:39,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:03:39,426 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:03:39,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:03:39,427 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:03:39,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:03:39,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:03:39,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:03:39,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:03:39,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:03:39,428 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:03:39,428 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:03:39,429 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:03:39,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:03:39,429 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:03:39,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:03:39,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:03:39,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:03:39,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:03:39,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:03:39,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:03:39,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:03:39,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:03:39,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:03:39,432 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:03:39,432 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:03:39,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:03:39,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:03:39,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:03:39,433 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f01f5987eb2c4fb8b66f29a3966d897a56af4a [2020-10-24 15:03:39,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:03:39,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:03:39,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:03:39,839 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:03:39,839 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:03:39,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2020-10-24 15:03:39,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba6e87b5f/a14f2dd6cacc48ecbc97d63d7a25edf6/FLAG4124f2437 [2020-10-24 15:03:40,622 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:03:40,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2020-10-24 15:03:40,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba6e87b5f/a14f2dd6cacc48ecbc97d63d7a25edf6/FLAG4124f2437 [2020-10-24 15:03:40,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba6e87b5f/a14f2dd6cacc48ecbc97d63d7a25edf6 [2020-10-24 15:03:40,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:03:41,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:03:41,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:41,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:03:41,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:03:41,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:40" (1/1) ... [2020-10-24 15:03:41,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f24139e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41, skipping insertion in model container [2020-10-24 15:03:41,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:40" (1/1) ... [2020-10-24 15:03:41,031 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:03:41,051 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:03:41,312 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:41,329 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:03:41,357 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:41,385 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:03:41,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41 WrapperNode [2020-10-24 15:03:41,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:41,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:41,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:03:41,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:03:41,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:41,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:03:41,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:03:41,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:03:41,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:03:41,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:03:41,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:03:41,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:03:41,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 15:03:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-10-24 15:03:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 15:03:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 15:03:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 15:03:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:03:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 15:03:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:03:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:03:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 15:03:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:03:42,123 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:03:42,124 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 15:03:42,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:42 BoogieIcfgContainer [2020-10-24 15:03:42,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:03:42,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:03:42,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:03:42,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:03:42,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:03:40" (1/3) ... [2020-10-24 15:03:42,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd51ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:03:42, skipping insertion in model container [2020-10-24 15:03:42,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (2/3) ... [2020-10-24 15:03:42,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd51ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:03:42, skipping insertion in model container [2020-10-24 15:03:42,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:42" (3/3) ... [2020-10-24 15:03:42,142 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2020-10-24 15:03:42,163 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:03:42,171 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:03:42,190 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:03:42,239 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:03:42,239 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:03:42,239 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:03:42,240 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:03:42,240 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:03:42,240 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:03:42,240 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:03:42,241 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:03:42,261 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-24 15:03:42,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 15:03:42,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:42,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:42,271 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:42,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:42,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-10-24 15:03:42,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:03:42,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034014624] [2020-10-24 15:03:42,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 15:03:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:42,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 15:03:42,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:03:42,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:42,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:03:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:42,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034014624] [2020-10-24 15:03:42,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:03:42,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 15:03:42,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454376086] [2020-10-24 15:03:42,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:03:42,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:03:42,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:03:42,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:03:42,484 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-10-24 15:03:42,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:03:42,504 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-10-24 15:03:42,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:03:42,505 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-24 15:03:42,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:03:42,515 INFO L225 Difference]: With dead ends: 37 [2020-10-24 15:03:42,516 INFO L226 Difference]: Without dead ends: 16 [2020-10-24 15:03:42,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:03:42,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-24 15:03:42,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-24 15:03:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-24 15:03:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-10-24 15:03:42,559 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-10-24 15:03:42,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:03:42,559 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-10-24 15:03:42,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:03:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-10-24 15:03:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:03:42,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:42,561 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:42,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 15:03:42,765 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:42,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:42,766 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-10-24 15:03:42,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:03:42,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92454182] [2020-10-24 15:03:42,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 15:03:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:42,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-24 15:03:42,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:03:43,019 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 22 treesize of output 20 [2020-10-24 15:03:43,030 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 15:03:43,035 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:43,035 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 15:03:43,053 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:43,056 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-24 15:03:43,056 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:48, output treesize:35 [2020-10-24 15:03:43,177 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:03:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:43,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:03:43,337 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 66 treesize of output 60 [2020-10-24 15:03:43,342 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 15:03:43,347 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:43,348 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 15:03:43,363 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:43,364 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-24 15:03:43,364 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:77, output treesize:41 [2020-10-24 15:03:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:43,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92454182] [2020-10-24 15:03:43,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:03:43,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 10 [2020-10-24 15:03:43,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177928319] [2020-10-24 15:03:43,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 15:03:43,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:03:43,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 15:03:43,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-24 15:03:43,471 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 10 states. [2020-10-24 15:03:43,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:03:43,837 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-10-24 15:03:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 15:03:43,838 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2020-10-24 15:03:43,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:03:43,839 INFO L225 Difference]: With dead ends: 19 [2020-10-24 15:03:43,839 INFO L226 Difference]: Without dead ends: 16 [2020-10-24 15:03:43,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-24 15:03:43,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-24 15:03:43,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-24 15:03:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-24 15:03:43,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-10-24 15:03:43,846 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2020-10-24 15:03:43,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:03:43,846 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-10-24 15:03:43,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 15:03:43,846 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-10-24 15:03:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-24 15:03:43,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:43,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:44,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 15:03:44,049 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:44,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:44,050 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2020-10-24 15:03:44,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:03:44,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827531431] [2020-10-24 15:03:44,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-24 15:03:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:44,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-24 15:03:44,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:03:44,180 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 20 treesize of output 18 [2020-10-24 15:03:44,184 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 15:03:44,187 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:44,188 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 15:03:44,191 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:44,193 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-24 15:03:44,193 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:20, output treesize:8 [2020-10-24 15:03:46,243 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) c_ULTIMATE.start_fabs_double_~x)) is different from true [2020-10-24 15:03:49,646 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-10-24 15:03:51,690 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) c_ULTIMATE.start___signbit_double_~x)) is different from true [2020-10-24 15:03:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:55,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:04:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:04:04,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827531431] [2020-10-24 15:04:04,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:04:04,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2020-10-24 15:04:04,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895824772] [2020-10-24 15:04:04,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 15:04:04,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:04:04,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 15:04:04,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=102, Unknown=9, NotChecked=42, Total=182 [2020-10-24 15:04:04,551 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 14 states. [2020-10-24 15:04:10,665 WARN L193 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 15 DAG size of output: 9 [2020-10-24 15:04:13,489 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-10-24 15:04:17,231 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 19 [2020-10-24 15:04:23,485 WARN L193 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-10-24 15:04:30,863 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-10-24 15:04:35,988 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-10-24 15:04:36,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:04:36,006 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-10-24 15:04:36,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 15:04:36,007 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2020-10-24 15:04:36,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:04:36,007 INFO L225 Difference]: With dead ends: 16 [2020-10-24 15:04:36,007 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 15:04:36,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 51.6s TimeCoverageRelationStatistics Valid=84, Invalid=213, Unknown=17, NotChecked=66, Total=380 [2020-10-24 15:04:36,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 15:04:36,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 15:04:36,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 15:04:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 15:04:36,009 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-10-24 15:04:36,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:04:36,009 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 15:04:36,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 15:04:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 15:04:36,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 15:04:36,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 15:04:36,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 15:04:36,545 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2020-10-24 15:04:36,662 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-10-24 15:04:37,186 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2020-10-24 15:04:37,190 INFO L274 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-10-24 15:04:37,191 INFO L270 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: (and (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) ULTIMATE.start_main_~res~0)) |ULTIMATE.start_main_#t~short18| (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_fabs_double_~x_7 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= .cse0 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 62 52) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 51 0) v_ULTIMATE.start_fabs_double_~x_7)) (fp.neg .cse0)) (= ULTIMATE.start_fabs_double_~x (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_fabs_double_~x_7)) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_7)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_8|)))) (or (not (= .cse1 (_ +zero 11 53))) (fp.eq (let ((.cse2 (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) ULTIMATE.start_fabs_double_~x)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse1)))) (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) ULTIMATE.start___signbit_double_~x)) (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_fabs_double_~x_7 (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= |ULTIMATE.start_fabs_double_#res| (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_fabs_double_~x_7)) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_7))) (= .cse3 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 62 52) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 51 0) v_ULTIMATE.start_fabs_double_~x_7)) (fp.neg .cse3)))))) [2020-10-24 15:04:37,191 INFO L274 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2020-10-24 15:04:37,192 INFO L270 CegarLoopResult]: At program point L40(lines 27 41) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_fabs_double_~x_7 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= .cse0 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 62 52) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 51 0) v_ULTIMATE.start_fabs_double_~x_7)) (fp.neg .cse0)) (= ULTIMATE.start_fabs_double_~x (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_fabs_double_~x_7)) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_7)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_8|)))) (or (not (= .cse1 (_ +zero 11 53))) (fp.eq (let ((.cse2 (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) ULTIMATE.start_fabs_double_~x)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse1)))) (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_fabs_double_~x_7 (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= |ULTIMATE.start_fabs_double_#res| (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_fabs_double_~x_7)) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_7))) (= .cse3 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 62 52) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 51 0) v_ULTIMATE.start_fabs_double_~x_7)) (fp.neg .cse3)))))) [2020-10-24 15:04:37,192 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 15:04:37,192 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 15:04:37,192 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 15:04:37,192 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 15:04:37,193 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 15:04:37,193 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 15:04:37,193 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-24 15:04:37,193 INFO L274 CegarLoopResult]: For program point L53-2(lines 53 56) no Hoare annotation was computed. [2020-10-24 15:04:37,194 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 15:04:37,194 INFO L274 CegarLoopResult]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2020-10-24 15:04:37,194 INFO L270 CegarLoopResult]: At program point L29-2(lines 29 33) the Hoare annotation is: (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= (fp ((_ extract 63 63) ULTIMATE.start_fabs_double_~x) ((_ extract 62 52) ULTIMATE.start_fabs_double_~x) ((_ extract 51 0) ULTIMATE.start_fabs_double_~x)) (fp.neg .cse0)) (= .cse0 (_ +zero 11 53))))) [2020-10-24 15:04:37,194 INFO L277 CegarLoopResult]: At program point L58(lines 43 59) the Hoare annotation is: true [2020-10-24 15:04:37,195 INFO L270 CegarLoopResult]: At program point L25(lines 16 26) the Hoare annotation is: (and (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) ULTIMATE.start_main_~res~0)) |ULTIMATE.start_main_#t~short18| (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_fabs_double_~x_7 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= .cse0 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 62 52) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 51 0) v_ULTIMATE.start_fabs_double_~x_7)) (fp.neg .cse0)) (= ULTIMATE.start_fabs_double_~x (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_fabs_double_~x_7)) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_7)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_8|)))) (or (not (= .cse1 (_ +zero 11 53))) (fp.eq (let ((.cse2 (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) ULTIMATE.start_fabs_double_~x)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse1)))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= ((_ extract 63 32) (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10))) ULTIMATE.start___signbit_double_~msw~0)) (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_fabs_double_~x_7 (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= |ULTIMATE.start_fabs_double_#res| (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_fabs_double_~x_7)) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_7))) (= .cse3 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 62 52) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 51 0) v_ULTIMATE.start_fabs_double_~x_7)) (fp.neg .cse3))))) (= (bvand (_ bv2147483648 32) ((_ extract 63 32) ULTIMATE.start___signbit_double_~x)) (_ bv0 32))) [2020-10-24 15:04:37,195 INFO L274 CegarLoopResult]: For program point L34(lines 34 39) no Hoare annotation was computed. [2020-10-24 15:04:37,195 INFO L274 CegarLoopResult]: For program point L34-1(lines 27 41) no Hoare annotation was computed. [2020-10-24 15:04:37,195 INFO L274 CegarLoopResult]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2020-10-24 15:04:37,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,219 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 15:04:37,228 INFO L168 Benchmark]: Toolchain (without parser) took 56224.74 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 26.3 MB in the beginning and 37.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:37,229 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 37.7 MB. Free memory was 18.2 MB in the beginning and 18.1 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:37,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.00 ms. Allocated memory is still 48.2 MB. Free memory was 25.6 MB in the beginning and 25.9 MB in the end (delta: -241.8 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:37,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.32 ms. Allocated memory is still 48.2 MB. Free memory was 25.9 MB in the beginning and 24.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:37,238 INFO L168 Benchmark]: Boogie Preprocessor took 46.09 ms. Allocated memory is still 48.2 MB. Free memory was 24.1 MB in the beginning and 22.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:37,239 INFO L168 Benchmark]: RCFGBuilder took 644.27 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.6 MB in the beginning and 39.9 MB in the end (delta: -17.3 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:37,240 INFO L168 Benchmark]: TraceAbstraction took 55091.72 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 39.4 MB in the beginning and 37.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:37,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 37.7 MB. Free memory was 18.2 MB in the beginning and 18.1 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 380.00 ms. Allocated memory is still 48.2 MB. Free memory was 25.6 MB in the beginning and 25.9 MB in the end (delta: -241.8 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.32 ms. Allocated memory is still 48.2 MB. Free memory was 25.9 MB in the beginning and 24.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.09 ms. Allocated memory is still 48.2 MB. Free memory was 24.1 MB in the beginning and 22.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 644.27 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.6 MB in the beginning and 39.9 MB in the end (delta: -17.3 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 55091.72 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 39.4 MB in the beginning and 37.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant [2020-10-24 15:04:37,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-10-24 15:04:37,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_main_#t~nondet13_6 : bv64 :: ~fp~LONGDOUBLE(x[63:63], x[62:52], x[51:0]) == ~fp.neg~DOUBLE(~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet13_6[63:63], v_ULTIMATE.start_main_#t~nondet13_6[62:52], v_ULTIMATE.start_main_#t~nondet13_6[51:0])) && ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet13_6[63:63], v_ULTIMATE.start_main_#t~nondet13_6[62:52], v_ULTIMATE.start_main_#t~nondet13_6[51:0]) == ~Pluszero~LONGDOUBLE()) - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...