./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 ......................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-a4ecdab [2020-10-24 23:15:42,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:15:42,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:15:42,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:15:42,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:15:42,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:15:42,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:15:42,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:15:42,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:15:42,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:15:42,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:15:42,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:15:42,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:15:42,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:15:42,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:15:42,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:15:42,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:15:42,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:15:42,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:15:42,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:15:42,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:15:42,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:15:42,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:15:42,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:15:42,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:15:42,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:15:42,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:15:42,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:15:42,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:15:42,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:15:42,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:15:42,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:15:42,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:15:42,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:15:42,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:15:42,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:15:42,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:15:42,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:15:42,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:15:42,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:15:42,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:15:42,459 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:15:42,503 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:15:42,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:15:42,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:15:42,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:15:42,507 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:15:42,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:15:42,508 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:15:42,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:15:42,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:15:42,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:15:42,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:15:42,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:15:42,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:15:42,510 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:15:42,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:15:42,511 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:15:42,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:15:42,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:15:42,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:15:42,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:15:42,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:15:42,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:15:42,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:15:42,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:15:42,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:15:42,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:15:42,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:15:42,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:15:42,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:15:42,514 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 [2020-10-24 23:15:42,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:15:42,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:15:42,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:15:42,963 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:15:42,964 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:15:42,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2020-10-24 23:15:43,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/199eb7668/0f94974e3c864198a97698e836c35353/FLAGc30bd634c [2020-10-24 23:15:43,619 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:15:43,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2020-10-24 23:15:43,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/199eb7668/0f94974e3c864198a97698e836c35353/FLAGc30bd634c [2020-10-24 23:15:43,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/199eb7668/0f94974e3c864198a97698e836c35353 [2020-10-24 23:15:43,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:15:44,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:15:44,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:15:44,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:15:44,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:15:44,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:43" (1/1) ... [2020-10-24 23:15:44,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb96a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44, skipping insertion in model container [2020-10-24 23:15:44,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:43" (1/1) ... [2020-10-24 23:15:44,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:15:44,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:15:44,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:15:44,251 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:15:44,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:15:44,292 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:15:44,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44 WrapperNode [2020-10-24 23:15:44,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:15:44,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:15:44,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:15:44,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:15:44,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:15:44,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:15:44,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:15:44,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:15:44,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... [2020-10-24 23:15:44,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:15:44,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:15:44,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:15:44,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:15:44,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:15:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:15:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:15:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:15:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:15:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:15:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:15:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:15:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:15:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:15:44,880 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:15:44,881 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 23:15:44,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:44 BoogieIcfgContainer [2020-10-24 23:15:44,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:15:44,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:15:44,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:15:44,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:15:44,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:15:43" (1/3) ... [2020-10-24 23:15:44,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d1b046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:44, skipping insertion in model container [2020-10-24 23:15:44,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:44" (2/3) ... [2020-10-24 23:15:44,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d1b046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:44, skipping insertion in model container [2020-10-24 23:15:44,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:44" (3/3) ... [2020-10-24 23:15:44,892 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2020-10-24 23:15:44,906 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:15:44,911 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:15:44,928 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:15:44,956 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:15:44,957 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:15:44,957 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:15:44,957 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:15:44,957 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:15:44,957 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:15:44,957 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:15:44,958 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:15:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-24 23:15:44,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 23:15:44,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:44,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:44,979 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:44,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:44,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-10-24 23:15:45,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:15:45,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081453213] [2020-10-24 23:15:45,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:15:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:15:45,197 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 23:15:45,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081453213] [2020-10-24 23:15:45,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:15:45,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:15:45,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525026697] [2020-10-24 23:15:45,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:15:45,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:15:45,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:15:45,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:15:45,234 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-10-24 23:15:45,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:15:45,253 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-10-24 23:15:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:15:45,255 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-24 23:15:45,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:15:45,271 INFO L225 Difference]: With dead ends: 37 [2020-10-24 23:15:45,271 INFO L226 Difference]: Without dead ends: 16 [2020-10-24 23:15:45,276 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 23:15:45,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-24 23:15:45,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-24 23:15:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-24 23:15:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-10-24 23:15:45,316 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-10-24 23:15:45,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:15:45,317 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-10-24 23:15:45,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:15:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-10-24 23:15:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:15:45,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:45,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:45,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:15:45,320 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:45,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:45,323 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-10-24 23:15:45,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:15:45,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869200496] [2020-10-24 23:15:45,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:15:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:15:45,416 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:15:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:15:45,444 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:15:45,481 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:15:45,482 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:15:45,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:15:45,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:15:45 BoogieIcfgContainer [2020-10-24 23:15:45,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:15:45,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:15:45,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:15:45,514 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:15:45,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:44" (3/4) ... [2020-10-24 23:15:45,518 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:15:45,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:15:45,521 INFO L168 Benchmark]: Toolchain (without parser) took 1525.06 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.5 MB in the beginning and 46.8 MB in the end (delta: -15.3 MB). Peak memory consumption was 600 B. Max. memory is 16.1 GB. [2020-10-24 23:15:45,522 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 44.0 MB. Free memory was 22.1 MB in the beginning and 22.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:15:45,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.91 ms. Allocated memory is still 54.5 MB. Free memory was 30.8 MB in the beginning and 34.2 MB in the end (delta: -3.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:45,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.05 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 32.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:45,525 INFO L168 Benchmark]: Boogie Preprocessor took 30.05 ms. Allocated memory is still 54.5 MB. Free memory was 32.6 MB in the beginning and 31.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:45,526 INFO L168 Benchmark]: RCFGBuilder took 516.39 ms. Allocated memory is still 54.5 MB. Free memory was 31.3 MB in the beginning and 28.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:45,528 INFO L168 Benchmark]: TraceAbstraction took 628.87 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 28.5 MB in the beginning and 47.1 MB in the end (delta: -18.6 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:45,528 INFO L168 Benchmark]: Witness Printer took 4.98 ms. Allocated memory is still 67.1 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:15:45,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 44.0 MB. Free memory was 22.1 MB in the beginning and 22.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 289.91 ms. Allocated memory is still 54.5 MB. Free memory was 30.8 MB in the beginning and 34.2 MB in the end (delta: -3.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.05 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 32.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.05 ms. Allocated memory is still 54.5 MB. Free memory was 32.6 MB in the beginning and 31.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 516.39 ms. Allocated memory is still 54.5 MB. Free memory was 31.3 MB in the beginning and 28.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 628.87 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 28.5 MB in the beginning and 47.1 MB in the end (delta: -18.6 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.98 ms. Allocated memory is still 67.1 MB. Free memory is still 47.1 MB. 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 someBinaryDOUBLEComparisonOperation 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_1011a.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, 0.1s 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-a4ecdab [2020-10-24 23:15:48,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:15:48,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:15:48,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:15:48,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:15:48,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:15:48,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:15:48,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:15:48,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:15:48,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:15:48,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:15:48,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:15:48,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:15:48,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:15:48,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:15:48,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:15:48,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:15:48,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:15:48,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:15:48,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:15:48,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:15:48,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:15:48,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:15:48,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:15:48,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:15:48,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:15:48,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:15:48,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:15:48,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:15:48,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:15:48,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:15:48,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:15:48,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:15:48,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:15:48,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:15:48,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:15:48,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:15:48,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:15:48,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:15:48,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:15:48,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:15:48,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:15:48,246 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:15:48,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:15:48,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:15:48,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:15:48,252 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:15:48,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:15:48,253 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:15:48,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:15:48,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:15:48,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:15:48,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:15:48,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:15:48,256 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:15:48,256 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:15:48,256 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:15:48,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:15:48,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:15:48,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:15:48,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:15:48,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:15:48,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:15:48,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:15:48,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:15:48,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:15:48,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:15:48,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:15:48,260 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:15:48,260 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:15:48,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:15:48,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:15:48,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:15:48,261 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 [2020-10-24 23:15:48,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:15:48,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:15:48,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:15:48,734 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:15:48,734 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:15:48,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2020-10-24 23:15:48,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467571246/ebcbc8c50bb54873a99ad40594515ffb/FLAGe3795d217 [2020-10-24 23:15:49,382 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:15:49,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2020-10-24 23:15:49,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467571246/ebcbc8c50bb54873a99ad40594515ffb/FLAGe3795d217 [2020-10-24 23:15:49,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467571246/ebcbc8c50bb54873a99ad40594515ffb [2020-10-24 23:15:49,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:15:49,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:15:49,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:15:49,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:15:49,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:15:49,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:49" (1/1) ... [2020-10-24 23:15:49,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb43d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:49, skipping insertion in model container [2020-10-24 23:15:49,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:49" (1/1) ... [2020-10-24 23:15:49,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:15:49,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:15:50,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:15:50,123 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:15:50,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:15:50,208 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:15:50,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50 WrapperNode [2020-10-24 23:15:50,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:15:50,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:15:50,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:15:50,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:15:50,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50" (1/1) ... [2020-10-24 23:15:50,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50" (1/1) ... [2020-10-24 23:15:50,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:15:50,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:15:50,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:15:50,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:15:50,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50" (1/1) ... [2020-10-24 23:15:50,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50" (1/1) ... [2020-10-24 23:15:50,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50" (1/1) ... [2020-10-24 23:15:50,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50" (1/1) ... [2020-10-24 23:15:50,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50" (1/1) ... [2020-10-24 23:15:50,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50" (1/1) ... [2020-10-24 23:15:50,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50" (1/1) ... [2020-10-24 23:15:50,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:15:50,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:15:50,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:15:50,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:15:50,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:15:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:15:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:15:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:15:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:15:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:15:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:15:50,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:15:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:15:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:15:50,847 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:15:50,847 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 23:15:50,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:50 BoogieIcfgContainer [2020-10-24 23:15:50,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:15:50,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:15:50,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:15:50,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:15:50,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:15:49" (1/3) ... [2020-10-24 23:15:50,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6930627c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:50, skipping insertion in model container [2020-10-24 23:15:50,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50" (2/3) ... [2020-10-24 23:15:50,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6930627c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:50, skipping insertion in model container [2020-10-24 23:15:50,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:50" (3/3) ... [2020-10-24 23:15:50,859 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2020-10-24 23:15:50,871 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:15:50,876 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:15:50,892 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:15:50,920 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:15:50,932 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:15:50,932 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:15:50,932 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:15:50,933 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:15:50,933 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:15:50,933 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:15:50,934 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:15:50,951 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-24 23:15:50,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 23:15:50,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:50,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:50,958 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:50,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:50,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-10-24 23:15:50,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:15:50,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [917626140] [2020-10-24 23:15:50,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 23:15:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:15:51,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:15:51,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:15:51,112 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 23:15:51,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:15:51,117 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 23:15:51,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [917626140] [2020-10-24 23:15:51,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:15:51,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:15:51,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122378735] [2020-10-24 23:15:51,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:15:51,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:15:51,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:15:51,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:15:51,150 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-10-24 23:15:51,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:15:51,190 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-10-24 23:15:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:15:51,194 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-24 23:15:51,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:15:51,207 INFO L225 Difference]: With dead ends: 37 [2020-10-24 23:15:51,208 INFO L226 Difference]: Without dead ends: 16 [2020-10-24 23:15:51,212 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 23:15:51,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-24 23:15:51,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-24 23:15:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-24 23:15:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-10-24 23:15:51,253 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-10-24 23:15:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:15:51,254 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-10-24 23:15:51,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:15:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-10-24 23:15:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:15:51,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:51,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:51,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:15:51,464 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:51,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:51,469 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-10-24 23:15:51,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:15:51,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589844605] [2020-10-24 23:15:51,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 23:15:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:15:51,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-24 23:15:51,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:15:51,822 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 23:15:51,831 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 23:15:51,837 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:15:51,838 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 23:15:51,860 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:15:51,862 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 23:15:51,863 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:91, output treesize:52 [2020-10-24 23:15:51,937 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 23:15:51,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:15:51,986 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 60 treesize of output 54 [2020-10-24 23:15:51,992 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 23:15:51,997 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:15:51,997 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 23:15:52,011 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:15:52,012 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 23:15:52,013 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:71, output treesize:35 [2020-10-24 23:15:52,098 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 23:15:52,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589844605] [2020-10-24 23:15:52,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:15:52,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-10-24 23:15:52,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640033801] [2020-10-24 23:15:52,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 23:15:52,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:15:52,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 23:15:52,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-24 23:15:52,104 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 9 states. [2020-10-24 23:15:52,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:15:52,252 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-10-24 23:15:52,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 23:15:52,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-10-24 23:15:52,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:15:52,254 INFO L225 Difference]: With dead ends: 19 [2020-10-24 23:15:52,254 INFO L226 Difference]: Without dead ends: 16 [2020-10-24 23:15:52,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-24 23:15:52,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-24 23:15:52,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-24 23:15:52,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-24 23:15:52,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-10-24 23:15:52,261 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2020-10-24 23:15:52,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:15:52,262 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-10-24 23:15:52,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 23:15:52,262 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-10-24 23:15:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-24 23:15:52,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:52,263 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:52,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:15:52,475 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:52,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:52,478 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2020-10-24 23:15:52,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:15:52,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230774132] [2020-10-24 23:15:52,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 23:15:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:15:52,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-24 23:15:52,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:15:52,662 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 54 treesize of output 48 [2020-10-24 23:15:52,669 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 30 treesize of output 24 [2020-10-24 23:15:52,670 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-24 23:15:52,675 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:15:52,676 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-24 23:15:52,692 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:15:52,693 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-24 23:15:52,694 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2020-10-24 23:15:52,908 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:15:53,000 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 23:15:53,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:15:53,295 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 55 treesize of output 49 [2020-10-24 23:15:53,301 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 34 treesize of output 28 [2020-10-24 23:15:53,302 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-24 23:15:53,306 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:15:53,307 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-24 23:15:53,316 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:15:53,318 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-24 23:15:53,318 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:35 [2020-10-24 23:15:53,496 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 23:15:53,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230774132] [2020-10-24 23:15:53,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:15:53,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2020-10-24 23:15:53,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643880874] [2020-10-24 23:15:53,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 23:15:53,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:15:53,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 23:15:53,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-10-24 23:15:53,499 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 18 states. [2020-10-24 23:15:54,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:15:54,198 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-10-24 23:15:54,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-24 23:15:54,199 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 15 [2020-10-24 23:15:54,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:15:54,200 INFO L225 Difference]: With dead ends: 16 [2020-10-24 23:15:54,200 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 23:15:54,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-10-24 23:15:54,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 23:15:54,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 23:15:54,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 23:15:54,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 23:15:54,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-10-24 23:15:54,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:15:54,203 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 23:15:54,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 23:15:54,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 23:15:54,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 23:15:54,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:15:54,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 23:15:54,744 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2020-10-24 23:15:54,748 INFO L274 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-10-24 23:15:54,749 INFO L270 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) ULTIMATE.start_fabs_double_~high~0))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start_main_~res~0 (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start___signbit_double_~x (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))) (= (_ +zero 11 53) ULTIMATE.start_fabs_double_~x) (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_#res|) |ULTIMATE.start_main_#t~short15|) [2020-10-24 23:15:54,749 INFO L274 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2020-10-24 23:15:54,749 INFO L270 CegarLoopResult]: At program point L40(lines 27 41) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) ULTIMATE.start_fabs_double_~high~0))) (= (_ +zero 11 53) ULTIMATE.start_fabs_double_~x) (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_#res|)) [2020-10-24 23:15:54,749 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 23:15:54,750 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 23:15:54,750 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 23:15:54,750 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 23:15:54,750 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 23:15:54,750 INFO L277 CegarLoopResult]: At program point L57(lines 43 58) the Hoare annotation is: true [2020-10-24 23:15:54,751 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 23:15:54,751 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-24 23:15:54,751 INFO L274 CegarLoopResult]: For program point L53-2(lines 53 56) no Hoare annotation was computed. [2020-10-24 23:15:54,751 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 23:15:54,751 INFO L274 CegarLoopResult]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2020-10-24 23:15:54,752 INFO L270 CegarLoopResult]: At program point L29-2(lines 29 33) the Hoare annotation is: (= (_ +zero 11 53) ULTIMATE.start_fabs_double_~x) [2020-10-24 23:15:54,752 INFO L270 CegarLoopResult]: At program point L25(lines 16 26) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) ULTIMATE.start_fabs_double_~high~0))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start_main_~res~0 (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start___signbit_double_~x (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))) (= (_ +zero 11 53) ULTIMATE.start_fabs_double_~x) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_#res|) |ULTIMATE.start_main_#t~short15|) [2020-10-24 23:15:54,752 INFO L274 CegarLoopResult]: For program point L34(lines 34 39) no Hoare annotation was computed. [2020-10-24 23:15:54,753 INFO L274 CegarLoopResult]: For program point L34-1(lines 27 41) no Hoare annotation was computed. [2020-10-24 23:15:54,757 INFO L274 CegarLoopResult]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2020-10-24 23:15:54,773 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: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: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: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 23:15:54,778 INFO L168 Benchmark]: Toolchain (without parser) took 4997.04 ms. Allocated memory was 48.2 MB in the beginning and 92.3 MB in the end (delta: 44.0 MB). Free memory was 24.2 MB in the beginning and 73.9 MB in the end (delta: -49.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:54,779 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 48.2 MB. Free memory was 28.1 MB in the beginning and 28.1 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:15:54,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.93 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.5 MB in the beginning and 39.5 MB in the end (delta: -16.0 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:54,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.01 ms. Allocated memory is still 62.9 MB. Free memory was 39.5 MB in the beginning and 37.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:54,782 INFO L168 Benchmark]: Boogie Preprocessor took 76.03 ms. Allocated memory is still 62.9 MB. Free memory was 37.8 MB in the beginning and 36.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:54,783 INFO L168 Benchmark]: RCFGBuilder took 486.51 ms. Allocated memory is still 62.9 MB. Free memory was 36.3 MB in the beginning and 33.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:54,785 INFO L168 Benchmark]: TraceAbstraction took 3924.98 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 32.9 MB in the beginning and 73.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:54,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 48.2 MB. Free memory was 28.1 MB in the beginning and 28.1 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 419.93 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.5 MB in the beginning and 39.5 MB in the end (delta: -16.0 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.01 ms. Allocated memory is still 62.9 MB. Free memory was 39.5 MB in the beginning and 37.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.03 ms. Allocated memory is still 62.9 MB. Free memory was 37.8 MB in the beginning and 36.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 486.51 ms. Allocated memory is still 62.9 MB. Free memory was 36.3 MB in the beginning and 33.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3924.98 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 32.9 MB in the beginning and 73.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * 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: 29]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - 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...