./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer --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 85249c132f434df72ec1ecca47ec776ea5a3cebf ............................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer --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 85249c132f434df72ec1ecca47ec776ea5a3cebf .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2020-11-28 02:58:28,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:28,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:28,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:28,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:28,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:28,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:28,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:28,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:28,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:28,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:28,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:28,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:28,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:28,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:28,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:28,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:28,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:28,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:28,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:28,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:28,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:28,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:28,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:28,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:28,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:28,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:28,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:28,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:28,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:28,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:28,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:28,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:28,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:28,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:28,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:28,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:28,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:28,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:28,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:28,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:28,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:58:28,476 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:28,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:28,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:28,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:28,479 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:28,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:28,479 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:28,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:28,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:28,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:28,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:28,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:28,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:28,481 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:28,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:28,481 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:28,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:28,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:28,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:28,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:28,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:28,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:28,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:28,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:28,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:28,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:28,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:28,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:28,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:28,484 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:/tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85249c132f434df72ec1ecca47ec776ea5a3cebf [2020-11-28 02:58:28,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:28,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:28,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:28,846 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:28,849 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:28,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2020-11-28 02:58:28,955 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/data/0c1f57d5a/fdd4ce3b1ba34bc2b4b851cef6acc5e1/FLAGb427cb5e0 [2020-11-28 02:58:29,526 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:29,526 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2020-11-28 02:58:29,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/data/0c1f57d5a/fdd4ce3b1ba34bc2b4b851cef6acc5e1/FLAGb427cb5e0 [2020-11-28 02:58:29,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/data/0c1f57d5a/fdd4ce3b1ba34bc2b4b851cef6acc5e1 [2020-11-28 02:58:29,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:29,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:29,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:29,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:29,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:29,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:29" (1/1) ... [2020-11-28 02:58:29,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26501c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:29, skipping insertion in model container [2020-11-28 02:58:29,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:29" (1/1) ... [2020-11-28 02:58:29,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:29,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:30,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:30,190 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:30,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:30,274 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:30,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:30 WrapperNode [2020-11-28 02:58:30,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:30,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:30,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:30,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:30,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:30" (1/1) ... [2020-11-28 02:58:30,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:30" (1/1) ... [2020-11-28 02:58:30,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:30,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:30,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:30,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:30,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:30" (1/1) ... [2020-11-28 02:58:30,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:30" (1/1) ... [2020-11-28 02:58:30,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:30" (1/1) ... [2020-11-28 02:58:30,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:30" (1/1) ... [2020-11-28 02:58:30,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:30" (1/1) ... [2020-11-28 02:58:30,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:30" (1/1) ... [2020-11-28 02:58:30,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:30" (1/1) ... [2020-11-28 02:58:30,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:30,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:30,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:30,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:30,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/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 [2020-11-28 02:58:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 02:58:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 02:58:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 02:58:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:30,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 02:58:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:58:31,100 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:31,100 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-28 02:58:31,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:31 BoogieIcfgContainer [2020-11-28 02:58:31,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:31,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:31,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:31,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:31,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:29" (1/3) ... [2020-11-28 02:58:31,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e68324d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:31, skipping insertion in model container [2020-11-28 02:58:31,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:30" (2/3) ... [2020-11-28 02:58:31,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e68324d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:31, skipping insertion in model container [2020-11-28 02:58:31,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:31" (3/3) ... [2020-11-28 02:58:31,112 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2020-11-28 02:58:31,123 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:31,128 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:58:31,141 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:58:31,167 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:31,168 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:31,168 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:31,168 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:31,168 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:31,168 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:31,169 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:31,169 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:31,183 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-11-28 02:58:31,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 02:58:31,189 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:31,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:31,191 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:31,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:31,197 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2020-11-28 02:58:31,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:31,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527786507] [2020-11-28 02:58:31,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:31,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527786507] [2020-11-28 02:58:31,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:31,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:31,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215901082] [2020-11-28 02:58:31,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:58:31,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:31,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:58:31,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:58:31,385 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2020-11-28 02:58:31,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:31,404 INFO L93 Difference]: Finished difference Result 59 states and 89 transitions. [2020-11-28 02:58:31,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:58:31,405 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-28 02:58:31,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:31,416 INFO L225 Difference]: With dead ends: 59 [2020-11-28 02:58:31,417 INFO L226 Difference]: Without dead ends: 27 [2020-11-28 02:58:31,420 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 [2020-11-28 02:58:31,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-28 02:58:31,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-28 02:58:31,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-28 02:58:31,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-11-28 02:58:31,460 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2020-11-28 02:58:31,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:31,461 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-11-28 02:58:31,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:58:31,461 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2020-11-28 02:58:31,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 02:58:31,462 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:31,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:31,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:31,463 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:31,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:31,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2020-11-28 02:58:31,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:31,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534121661] [2020-11-28 02:58:31,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:31,516 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:31,550 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:31,576 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:58:31,576 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 02:58:31,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:31,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:31 BoogieIcfgContainer [2020-11-28 02:58:31,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:58:31,608 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:31,608 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:31,608 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:31,609 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:31" (3/4) ... [2020-11-28 02:58:31,612 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 02:58:31,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:31,615 INFO L168 Benchmark]: Toolchain (without parser) took 1731.45 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 54.7 MB in the beginning and 80.0 MB in the end (delta: -25.2 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:31,616 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory was 45.4 MB in the beginning and 45.3 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:31,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.54 ms. Allocated memory is still 86.0 MB. Free memory was 54.6 MB in the beginning and 63.1 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:31,618 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.66 ms. Allocated memory is still 86.0 MB. Free memory was 63.1 MB in the beginning and 61.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:31,619 INFO L168 Benchmark]: Boogie Preprocessor took 62.86 ms. Allocated memory is still 86.0 MB. Free memory was 61.2 MB in the beginning and 59.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:31,620 INFO L168 Benchmark]: RCFGBuilder took 692.17 ms. Allocated memory is still 86.0 MB. Free memory was 59.4 MB in the beginning and 40.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:31,620 INFO L168 Benchmark]: TraceAbstraction took 503.26 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 39.3 MB in the beginning and 80.0 MB in the end (delta: -40.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:31,621 INFO L168 Benchmark]: Witness Printer took 5.38 ms. Allocated memory is still 115.3 MB. Free memory is still 80.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:31,625 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory was 45.4 MB in the beginning and 45.3 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.54 ms. Allocated memory is still 86.0 MB. Free memory was 54.6 MB in the beginning and 63.1 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.66 ms. Allocated memory is still 86.0 MB. Free memory was 63.1 MB in the beginning and 61.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.86 ms. Allocated memory is still 86.0 MB. Free memory was 61.2 MB in the beginning and 59.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 692.17 ms. Allocated memory is still 86.0 MB. Free memory was 59.4 MB in the beginning and 40.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 503.26 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 39.3 MB in the beginning and 80.0 MB in the end (delta: -40.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.38 ms. Allocated memory is still 115.3 MB. Free memory is still 80.0 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 shiftRight at line 36, overapproximation of someUnaryDOUBLEoperation at line 88, overapproximation of bitwiseAnd at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 92. Possible FailurePath: [L88] double x = -0.0; [L20] __int32_t msw, exponent_less_1023; [L21] __uint32_t lsw; [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L28] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L29] COND TRUE exponent_less_1023 < 20 [L30] COND FALSE !(exponent_less_1023 < 0) [L36] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; [L37] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L38] return x; [L89] double res = round_double(x); [L92] EXPR res == -0.0 && __signbit_double(res) == 1 [L92] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L3] __assert_fail("0", "double_req_bl_1032b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 38 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=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 [2020-11-28 02:58:34,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:34,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:34,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:34,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:34,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:34,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:34,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:34,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:34,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:34,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:34,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:34,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:34,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:34,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:34,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:34,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:34,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:34,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:34,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:34,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:34,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:34,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:34,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:34,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:34,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:34,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:34,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:34,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:34,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:34,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:34,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:34,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:34,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:34,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:34,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:34,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:34,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:34,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:34,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:34,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:34,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 02:58:34,456 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:34,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:34,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:34,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:34,458 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:34,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:34,458 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:34,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:34,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:34,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:34,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:34,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:34,460 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 02:58:34,460 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 02:58:34,460 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:34,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:34,461 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:34,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:34,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:34,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:34,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:34,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:34,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:34,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:34,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:34,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:34,463 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 02:58:34,463 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 02:58:34,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:34,464 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:34,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 02:58:34,464 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:/tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85249c132f434df72ec1ecca47ec776ea5a3cebf [2020-11-28 02:58:34,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:34,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:34,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:34,928 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:34,928 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:34,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2020-11-28 02:58:35,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/data/b1f111d7d/299e71ee17dc446ebd601e2dd92f2a0c/FLAG991edc8fc [2020-11-28 02:58:35,567 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:35,570 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2020-11-28 02:58:35,578 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/data/b1f111d7d/299e71ee17dc446ebd601e2dd92f2a0c/FLAG991edc8fc [2020-11-28 02:58:35,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/data/b1f111d7d/299e71ee17dc446ebd601e2dd92f2a0c [2020-11-28 02:58:35,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:35,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:35,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:35,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:35,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:35,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:35" (1/1) ... [2020-11-28 02:58:35,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4386cac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:35, skipping insertion in model container [2020-11-28 02:58:35,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:35" (1/1) ... [2020-11-28 02:58:35,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:35,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:36,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:36,163 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:36,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:36,267 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:36,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36 WrapperNode [2020-11-28 02:58:36,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:36,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:36,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:36,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:36,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:36,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:36,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:36,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:36,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:36,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:36,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:36,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:36,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/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 [2020-11-28 02:58:36,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-28 02:58:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-28 02:58:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 02:58:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 02:58:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 02:58:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:58:37,131 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:37,132 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-28 02:58:37,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:37 BoogieIcfgContainer [2020-11-28 02:58:37,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:37,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:37,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:37,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:37,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:35" (1/3) ... [2020-11-28 02:58:37,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684bf3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:37, skipping insertion in model container [2020-11-28 02:58:37,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (2/3) ... [2020-11-28 02:58:37,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684bf3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:37, skipping insertion in model container [2020-11-28 02:58:37,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:37" (3/3) ... [2020-11-28 02:58:37,150 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2020-11-28 02:58:37,161 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:37,165 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:58:37,176 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:58:37,199 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:37,200 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:37,200 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:37,200 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:37,200 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:37,200 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:37,201 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:37,201 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-11-28 02:58:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 02:58:37,217 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:37,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:37,218 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:37,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:37,224 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2020-11-28 02:58:37,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 02:58:37,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519750351] [2020-11-28 02:58:37,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/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 [2020-11-28 02:58:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:37,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 02:58:37,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:37,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:37,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 02:58:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:37,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519750351] [2020-11-28 02:58:37,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:37,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 02:58:37,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372515908] [2020-11-28 02:58:37,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:58:37,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 02:58:37,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:58:37,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:58:37,397 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2020-11-28 02:58:37,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:37,417 INFO L93 Difference]: Finished difference Result 59 states and 89 transitions. [2020-11-28 02:58:37,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:58:37,418 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-28 02:58:37,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:37,428 INFO L225 Difference]: With dead ends: 59 [2020-11-28 02:58:37,428 INFO L226 Difference]: Without dead ends: 27 [2020-11-28 02:58:37,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:58:37,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-28 02:58:37,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-28 02:58:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-28 02:58:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-11-28 02:58:37,465 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2020-11-28 02:58:37,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:37,465 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-11-28 02:58:37,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:58:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2020-11-28 02:58:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 02:58:37,466 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:37,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:37,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 02:58:37,691 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:37,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:37,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2020-11-28 02:58:37,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 02:58:37,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363478674] [2020-11-28 02:58:37,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/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 [2020-11-28 02:58:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:37,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 02:58:37,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:37,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:37,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 02:58:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:38,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363478674] [2020-11-28 02:58:38,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:38,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-28 02:58:38,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35264417] [2020-11-28 02:58:38,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 02:58:38,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 02:58:38,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 02:58:38,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:58:38,037 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 8 states. [2020-11-28 02:58:38,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:38,277 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2020-11-28 02:58:38,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:58:38,280 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-11-28 02:58:38,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:38,281 INFO L225 Difference]: With dead ends: 40 [2020-11-28 02:58:38,281 INFO L226 Difference]: Without dead ends: 21 [2020-11-28 02:58:38,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-28 02:58:38,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-11-28 02:58:38,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-11-28 02:58:38,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-28 02:58:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-11-28 02:58:38,288 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2020-11-28 02:58:38,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:38,288 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-11-28 02:58:38,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 02:58:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-11-28 02:58:38,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 02:58:38,289 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:38,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:38,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 02:58:38,490 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:38,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:38,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2020-11-28 02:58:38,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 02:58:38,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657731549] [2020-11-28 02:58:38,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/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 [2020-11-28 02:58:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:38,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 02:58:38,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:38,773 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 51 treesize of output 45 [2020-11-28 02:58:38,777 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-28 02:58:38,782 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 02:58:38,782 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 02:58:38,786 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 02:58:38,787 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. [2020-11-28 02:58:38,787 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2020-11-28 02:58:38,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:38,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 02:58:38,981 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 46 treesize of output 40 [2020-11-28 02:58:38,986 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-28 02:58:38,991 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 02:58:38,991 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 02:58:38,996 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 02:58:38,996 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 02:58:38,996 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:16 [2020-11-28 02:58:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:39,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657731549] [2020-11-28 02:58:39,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:39,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2020-11-28 02:58:39,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645794947] [2020-11-28 02:58:39,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-28 02:58:39,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 02:58:39,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-28 02:58:39,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-11-28 02:58:39,067 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2020-11-28 02:58:39,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:39,501 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-11-28 02:58:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:58:39,504 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2020-11-28 02:58:39,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:39,505 INFO L225 Difference]: With dead ends: 24 [2020-11-28 02:58:39,505 INFO L226 Difference]: Without dead ends: 21 [2020-11-28 02:58:39,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-28 02:58:39,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-11-28 02:58:39,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-11-28 02:58:39,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-28 02:58:39,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2020-11-28 02:58:39,515 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2020-11-28 02:58:39,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:39,516 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2020-11-28 02:58:39,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-28 02:58:39,516 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-11-28 02:58:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 02:58:39,519 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:39,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:39,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 02:58:39,737 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:39,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:39,738 INFO L82 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2020-11-28 02:58:39,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 02:58:39,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449728272] [2020-11-28 02:58:39,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_582f3b69-edce-4bc0-8219-1bf45de998d6/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-28 02:58:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:39,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 19 conjunts are in the unsatisfiable core [2020-11-28 02:58:39,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:39,934 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 48 treesize of output 42 [2020-11-28 02:58:39,942 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-28 02:58:39,958 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 02:58:39,958 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 02:58:39,977 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 02:58:39,978 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. [2020-11-28 02:58:39,978 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:29 [2020-11-28 02:58:40,167 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:40,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 02:58:40,638 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 52 treesize of output 46 [2020-11-28 02:58:40,644 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-28 02:58:40,651 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 02:58:40,651 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 02:58:40,662 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 02:58:40,663 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. [2020-11-28 02:58:40,663 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:60, output treesize:30 [2020-11-28 02:58:43,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:43,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [449728272] [2020-11-28 02:58:43,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:43,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2020-11-28 02:58:43,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450989747] [2020-11-28 02:58:43,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-28 02:58:43,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 02:58:43,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-28 02:58:43,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=263, Unknown=1, NotChecked=0, Total=306 [2020-11-28 02:58:43,138 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 18 states. [2020-11-28 02:58:44,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:44,115 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2020-11-28 02:58:44,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 02:58:44,120 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 20 [2020-11-28 02:58:44,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:44,121 INFO L225 Difference]: With dead ends: 21 [2020-11-28 02:58:44,121 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:58:44,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=140, Invalid=459, Unknown=1, NotChecked=0, Total=600 [2020-11-28 02:58:44,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:58:44,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:58:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:58:44,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:58:44,122 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-11-28 02:58:44,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:44,123 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:44,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-28 02:58:44,123 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:44,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:58:44,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 02:58:44,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:58:44,697 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2020-11-28 02:58:44,843 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-11-28 02:58:45,217 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2020-11-28 02:58:45,245 INFO L277 CegarLoopResult]: At program point L97(lines 80 98) the Hoare annotation is: true [2020-11-28 02:58:45,245 INFO L270 CegarLoopResult]: At program point L77(lines 68 78) the Hoare annotation is: (let ((.cse3 (fp.neg (_ +zero 11 53)))) (and |ULTIMATE.start_main_#t~short17| (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= ULTIMATE.start___signbit_double_~x (let ((.cse0 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (let ((.cse1 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_round_double_~x) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (fp.eq (let ((.cse2 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse3) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (let ((.cse4 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) ULTIMATE.start_main_~res~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= ULTIMATE.start_round_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (= (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)) (fp.neg (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (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)) (fp.neg (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))) (= |ULTIMATE.start_round_double_#res| (let ((.cse5 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= |ULTIMATE.start_round_double_#res| (let ((.cse6 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))))) (= (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (= (let ((.cse7 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (fp.eq ULTIMATE.start_round_double_~x .cse3))) [2020-11-28 02:58:45,245 INFO L274 CegarLoopResult]: For program point L44(lines 44 47) no Hoare annotation was computed. [2020-11-28 02:58:45,246 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:58:45,246 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:58:45,246 INFO L270 CegarLoopResult]: At program point L65(lines 19 66) the Hoare annotation is: (let ((.cse2 (fp.neg (_ +zero 11 53)))) (and (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (let ((.cse0 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ULTIMATE.start_round_double_~x) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (fp.eq (let ((.cse1 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) .cse2) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= ULTIMATE.start_round_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (= (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)) (fp.neg (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (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)) (fp.neg (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))) (= |ULTIMATE.start_round_double_#res| (let ((.cse3 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= |ULTIMATE.start_round_double_#res| (let ((.cse4 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (fp.eq ULTIMATE.start_round_double_~x .cse2))) [2020-11-28 02:58:45,246 INFO L274 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2020-11-28 02:58:45,246 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:58:45,246 INFO L274 CegarLoopResult]: For program point L32-2(lines 32 33) no Hoare annotation was computed. [2020-11-28 02:58:45,246 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:58:45,246 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:58:45,247 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:45,247 INFO L274 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2020-11-28 02:58:45,247 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:58:45,247 INFO L274 CegarLoopResult]: For program point L29(lines 29 58) no Hoare annotation was computed. [2020-11-28 02:58:45,247 INFO L274 CegarLoopResult]: For program point L54(lines 54 55) no Hoare annotation was computed. [2020-11-28 02:58:45,247 INFO L274 CegarLoopResult]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2020-11-28 02:58:45,247 INFO L274 CegarLoopResult]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2020-11-28 02:58:45,250 INFO L270 CegarLoopResult]: At program point L71-2(lines 71 75) the Hoare annotation is: (let ((.cse3 (fp.neg (_ +zero 11 53)))) (and |ULTIMATE.start_main_#t~short17| (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= ULTIMATE.start___signbit_double_~x (let ((.cse0 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (let ((.cse1 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_round_double_~x) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (fp.eq (let ((.cse2 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse3) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (let ((.cse4 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) ULTIMATE.start_main_~res~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= ULTIMATE.start_round_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (= (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)) (fp.neg (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (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)) (fp.neg (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) (fp.neg (_ +zero 11 53))) (= |ULTIMATE.start_round_double_#res| (let ((.cse5 (concat ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= |ULTIMATE.start_round_double_#res| (let ((.cse6 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))))) (fp.eq ULTIMATE.start_round_double_~x .cse3))) [2020-11-28 02:58:45,250 INFO L274 CegarLoopResult]: For program point L71-3(lines 71 75) no Hoare annotation was computed. [2020-11-28 02:58:45,250 INFO L274 CegarLoopResult]: For program point L30(lines 30 42) no Hoare annotation was computed. [2020-11-28 02:58:45,250 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 02:58:45,250 INFO L274 CegarLoopResult]: For program point L59(lines 59 64) no Hoare annotation was computed. [2020-11-28 02:58:45,251 INFO L274 CegarLoopResult]: For program point L59-1(lines 19 66) no Hoare annotation was computed. [2020-11-28 02:58:45,251 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 95) no Hoare annotation was computed. [2020-11-28 02:58:45,251 INFO L274 CegarLoopResult]: For program point L59-2(lines 59 64) no Hoare annotation was computed. [2020-11-28 02:58:45,251 INFO L274 CegarLoopResult]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2020-11-28 02:58:45,257 INFO L270 CegarLoopResult]: At program point L22-2(lines 22 27) the Hoare annotation is: (= (fp.neg (_ +zero 11 53)) ULTIMATE.start_round_double_~x) [2020-11-28 02:58:45,257 INFO L274 CegarLoopResult]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2020-11-28 02:58:45,258 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-11-28 02:58:45,258 INFO L274 CegarLoopResult]: For program point L43(lines 43 58) no Hoare annotation was computed. [2020-11-28 02:58:45,264 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) [2020-11-28 02:58:45,270 INFO L168 Benchmark]: Toolchain (without parser) took 9346.15 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 58.3 MB in the beginning and 57.3 MB in the end (delta: 964.4 kB). Peak memory consumption was 45.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:45,271 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 73.4 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:45,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.29 ms. Allocated memory is still 73.4 MB. Free memory was 58.1 MB in the beginning and 55.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:45,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.44 ms. Allocated memory is still 73.4 MB. Free memory was 55.5 MB in the beginning and 53.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:45,277 INFO L168 Benchmark]: Boogie Preprocessor took 35.20 ms. Allocated memory is still 73.4 MB. Free memory was 53.8 MB in the beginning and 52.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:45,278 INFO L168 Benchmark]: RCFGBuilder took 786.58 ms. Allocated memory is still 73.4 MB. Free memory was 52.0 MB in the beginning and 31.8 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:45,281 INFO L168 Benchmark]: TraceAbstraction took 8133.35 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 31.3 MB in the beginning and 57.3 MB in the end (delta: -26.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:45,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 73.4 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 344.29 ms. Allocated memory is still 73.4 MB. Free memory was 58.1 MB in the beginning and 55.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.44 ms. Allocated memory is still 73.4 MB. Free memory was 55.5 MB in the beginning and 53.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.20 ms. Allocated memory is still 73.4 MB. Free memory was 53.8 MB in the beginning and 52.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 786.58 ms. Allocated memory is still 73.4 MB. Free memory was 52.0 MB in the beginning and 31.8 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8133.35 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 31.3 MB in the beginning and 57.3 MB in the end (delta: -26.0 MB). Peak memory consumption was 21.2 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 - 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...