./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0077a740f714225dc922bb100a19cc0ae47da01 .................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0077a740f714225dc922bb100a19cc0ae47da01 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 13:18:13,398 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 13:18:13,399 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 13:18:13,405 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 13:18:13,405 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 13:18:13,406 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 13:18:13,406 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 13:18:13,407 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 13:18:13,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 13:18:13,408 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 13:18:13,408 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 13:18:13,409 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 13:18:13,409 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 13:18:13,409 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 13:18:13,410 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 13:18:13,410 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 13:18:13,411 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 13:18:13,412 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 13:18:13,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 13:18:13,413 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 13:18:13,413 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 13:18:13,414 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 13:18:13,415 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 13:18:13,415 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 13:18:13,415 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 13:18:13,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 13:18:13,416 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 13:18:13,417 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 13:18:13,417 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 13:18:13,417 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 13:18:13,418 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 13:18:13,418 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 13:18:13,418 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 13:18:13,418 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 13:18:13,419 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 13:18:13,419 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 13:18:13,419 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 13:18:13,426 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 13:18:13,426 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 13:18:13,426 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 13:18:13,426 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 13:18:13,427 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 13:18:13,427 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 13:18:13,427 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 13:18:13,427 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 13:18:13,427 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 13:18:13,427 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 13:18:13,427 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 13:18:13,427 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 13:18:13,428 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 13:18:13,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 13:18:13,428 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 13:18:13,428 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 13:18:13,428 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 13:18:13,428 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 13:18:13,428 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 13:18:13,428 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 13:18:13,428 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 13:18:13,428 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 13:18:13,428 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 13:18:13,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 13:18:13,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 13:18:13,429 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 13:18:13,429 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 13:18:13,429 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 13:18:13,429 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 13:18:13,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 13:18:13,429 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0077a740f714225dc922bb100a19cc0ae47da01 [2018-12-01 13:18:13,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 13:18:13,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 13:18:13,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 13:18:13,455 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 13:18:13,455 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 13:18:13,455 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c [2018-12-01 13:18:13,495 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/data/52947b82c/dda6f820481540f199427083db9b04cc/FLAG1f1385406 [2018-12-01 13:18:13,827 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 13:18:13,827 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c [2018-12-01 13:18:13,833 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/data/52947b82c/dda6f820481540f199427083db9b04cc/FLAG1f1385406 [2018-12-01 13:18:14,263 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/data/52947b82c/dda6f820481540f199427083db9b04cc [2018-12-01 13:18:14,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 13:18:14,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 13:18:14,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 13:18:14,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 13:18:14,270 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 13:18:14,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:18:14" (1/1) ... [2018-12-01 13:18:14,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@261d5562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14, skipping insertion in model container [2018-12-01 13:18:14,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:18:14" (1/1) ... [2018-12-01 13:18:14,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 13:18:14,291 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 13:18:14,398 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:18:14,400 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 13:18:14,416 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:18:14,428 INFO L195 MainTranslator]: Completed translation [2018-12-01 13:18:14,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14 WrapperNode [2018-12-01 13:18:14,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 13:18:14,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 13:18:14,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 13:18:14,429 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 13:18:14,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14" (1/1) ... [2018-12-01 13:18:14,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14" (1/1) ... [2018-12-01 13:18:14,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 13:18:14,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 13:18:14,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 13:18:14,444 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 13:18:14,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14" (1/1) ... [2018-12-01 13:18:14,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14" (1/1) ... [2018-12-01 13:18:14,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14" (1/1) ... [2018-12-01 13:18:14,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14" (1/1) ... [2018-12-01 13:18:14,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14" (1/1) ... [2018-12-01 13:18:14,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14" (1/1) ... [2018-12-01 13:18:14,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14" (1/1) ... [2018-12-01 13:18:14,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 13:18:14,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 13:18:14,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 13:18:14,495 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 13:18:14,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/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 [2018-12-01 13:18:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-01 13:18:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-01 13:18:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 13:18:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 13:18:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-12-01 13:18:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-12-01 13:18:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-01 13:18:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 13:18:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 13:18:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 13:18:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-01 13:18:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 13:18:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 13:18:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 13:18:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 13:18:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 13:18:14,684 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 13:18:14,684 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-01 13:18:14,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:18:14 BoogieIcfgContainer [2018-12-01 13:18:14,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 13:18:14,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 13:18:14,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 13:18:14,686 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 13:18:14,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 01:18:14" (1/3) ... [2018-12-01 13:18:14,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7d5a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:18:14, skipping insertion in model container [2018-12-01 13:18:14,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:14" (2/3) ... [2018-12-01 13:18:14,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7d5a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:18:14, skipping insertion in model container [2018-12-01 13:18:14,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:18:14" (3/3) ... [2018-12-01 13:18:14,688 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c_true-unreach-call.c [2018-12-01 13:18:14,694 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 13:18:14,699 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 13:18:14,709 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 13:18:14,726 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 13:18:14,727 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 13:18:14,727 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 13:18:14,727 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 13:18:14,727 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 13:18:14,727 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 13:18:14,727 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 13:18:14,727 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 13:18:14,727 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 13:18:14,737 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-12-01 13:18:14,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 13:18:14,741 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 13:18:14,741 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:18:14,742 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 13:18:14,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:18:14,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1697336041, now seen corresponding path program 1 times [2018-12-01 13:18:14,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 13:18:14,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 13:18:14,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:18:14,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:18:14,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:18:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:18:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:18:14,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 13:18:14,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 13:18:14,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 13:18:14,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 13:18:14,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 13:18:14,844 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-12-01 13:18:14,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 13:18:14,858 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2018-12-01 13:18:14,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 13:18:14,858 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-01 13:18:14,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 13:18:14,864 INFO L225 Difference]: With dead ends: 74 [2018-12-01 13:18:14,864 INFO L226 Difference]: Without dead ends: 37 [2018-12-01 13:18:14,865 INFO L631 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 [2018-12-01 13:18:14,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-01 13:18:14,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-01 13:18:14,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-01 13:18:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-12-01 13:18:14,887 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 19 [2018-12-01 13:18:14,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 13:18:14,887 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-12-01 13:18:14,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 13:18:14,887 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-12-01 13:18:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 13:18:14,888 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 13:18:14,888 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:18:14,888 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 13:18:14,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:18:14,889 INFO L82 PathProgramCache]: Analyzing trace with hash 859793106, now seen corresponding path program 1 times [2018-12-01 13:18:14,889 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 13:18:14,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 13:18:14,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:18:14,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:18:14,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:18:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:18:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:18:14,941 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 13:18:14,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 01:18:14 BoogieIcfgContainer [2018-12-01 13:18:14,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 13:18:14,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 13:18:14,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 13:18:14,958 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 13:18:14,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:18:14" (3/4) ... [2018-12-01 13:18:14,961 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 13:18:14,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 13:18:14,961 INFO L168 Benchmark]: Toolchain (without parser) took 696.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -93.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-12-01 13:18:14,962 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:18:14,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.30 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 13:18:14,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.38 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 13:18:14,963 INFO L168 Benchmark]: Boogie Preprocessor took 50.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-01 13:18:14,964 INFO L168 Benchmark]: RCFGBuilder took 189.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-01 13:18:14,964 INFO L168 Benchmark]: TraceAbstraction took 273.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-01 13:18:14,964 INFO L168 Benchmark]: Witness Printer took 2.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:18:14,966 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.30 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.38 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 189.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 273.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 86]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 81, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 85. Possible FailurePath: [L81] double x = -0.0; [L82] CALL, EXPR trunc_double(x) VAL [\old(x)=9] [L18] int signbit; [L19] int msw; [L20] unsigned int lsw; [L21] int exponent_less_1023; VAL [\old(x)=9, x=9] [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] signbit = msw & 0x80000000 [L29] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=9, exponent_less_1023=1024, lsw=17, msw=2, signbit=-1, x=9] [L30] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=9, exponent_less_1023=1024, lsw=17, msw=2, signbit=-1, x=9] [L47] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=9, exponent_less_1023=1024, lsw=17, msw=2, signbit=-1, x=9] [L48] COND TRUE exponent_less_1023 == 1024 [L49] return x + x; VAL [\old(x)=9, exponent_less_1023=1024, lsw=17, msw=2, signbit=-1, x=9] [L82] RET, EXPR trunc_double(x) VAL [trunc_double(x)=14, x=9] [L82] double res = trunc_double(x); [L85] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=14, res == -0.0 && __signbit_double(res) == 1=0, x=9] [L85] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L86] __VERIFIER_error() VAL [res=14, x=9] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 45 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=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-01 13:18:16,263 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 13:18:16,264 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 13:18:16,273 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 13:18:16,273 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 13:18:16,274 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 13:18:16,275 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 13:18:16,276 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 13:18:16,277 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 13:18:16,278 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 13:18:16,278 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 13:18:16,279 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 13:18:16,279 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 13:18:16,280 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 13:18:16,281 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 13:18:16,281 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 13:18:16,282 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 13:18:16,283 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 13:18:16,284 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 13:18:16,285 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 13:18:16,286 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 13:18:16,287 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 13:18:16,288 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 13:18:16,288 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 13:18:16,289 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 13:18:16,289 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 13:18:16,290 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 13:18:16,290 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 13:18:16,290 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 13:18:16,291 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 13:18:16,291 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 13:18:16,291 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 13:18:16,292 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 13:18:16,292 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 13:18:16,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 13:18:16,292 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 13:18:16,293 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-01 13:18:16,299 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 13:18:16,300 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 13:18:16,300 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 13:18:16,300 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 13:18:16,300 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 13:18:16,301 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 13:18:16,301 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 13:18:16,301 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 13:18:16,301 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 13:18:16,301 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 13:18:16,301 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 13:18:16,301 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 13:18:16,301 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 13:18:16,301 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 13:18:16,301 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 13:18:16,302 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 13:18:16,302 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 13:18:16,302 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 13:18:16,302 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 13:18:16,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 13:18:16,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 13:18:16,302 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 13:18:16,302 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 13:18:16,302 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 13:18:16,302 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 13:18:16,302 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 13:18:16,303 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 13:18:16,303 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 13:18:16,303 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 13:18:16,303 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 13:18:16,303 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 13:18:16,303 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 13:18:16,303 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0077a740f714225dc922bb100a19cc0ae47da01 [2018-12-01 13:18:16,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 13:18:16,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 13:18:16,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 13:18:16,334 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 13:18:16,335 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 13:18:16,335 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c [2018-12-01 13:18:16,379 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/data/59c12cbb1/2b5c21f2dfbe425e9cd08f00a5ad561a/FLAG8b6d08c53 [2018-12-01 13:18:16,680 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 13:18:16,680 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c [2018-12-01 13:18:16,686 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/data/59c12cbb1/2b5c21f2dfbe425e9cd08f00a5ad561a/FLAG8b6d08c53 [2018-12-01 13:18:16,697 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/data/59c12cbb1/2b5c21f2dfbe425e9cd08f00a5ad561a [2018-12-01 13:18:16,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 13:18:16,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 13:18:16,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 13:18:16,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 13:18:16,704 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 13:18:16,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:18:16" (1/1) ... [2018-12-01 13:18:16,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7a218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16, skipping insertion in model container [2018-12-01 13:18:16,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:18:16" (1/1) ... [2018-12-01 13:18:16,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 13:18:16,723 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 13:18:16,819 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:18:16,822 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 13:18:16,842 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:18:16,859 INFO L195 MainTranslator]: Completed translation [2018-12-01 13:18:16,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16 WrapperNode [2018-12-01 13:18:16,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 13:18:16,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 13:18:16,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 13:18:16,860 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 13:18:16,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16" (1/1) ... [2018-12-01 13:18:16,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16" (1/1) ... [2018-12-01 13:18:16,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 13:18:16,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 13:18:16,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 13:18:16,877 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 13:18:16,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16" (1/1) ... [2018-12-01 13:18:16,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16" (1/1) ... [2018-12-01 13:18:16,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16" (1/1) ... [2018-12-01 13:18:16,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16" (1/1) ... [2018-12-01 13:18:16,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16" (1/1) ... [2018-12-01 13:18:16,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16" (1/1) ... [2018-12-01 13:18:16,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16" (1/1) ... [2018-12-01 13:18:16,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 13:18:16,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 13:18:16,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 13:18:16,932 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 13:18:16,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/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 [2018-12-01 13:18:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-01 13:18:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-01 13:18:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-01 13:18:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-01 13:18:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 13:18:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 13:18:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-12-01 13:18:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-12-01 13:18:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 13:18:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 13:18:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 13:18:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 13:18:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 13:18:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 13:18:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 13:18:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 13:18:17,062 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 13:18:17,186 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 13:18:17,202 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 13:18:17,202 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-01 13:18:17,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:18:17 BoogieIcfgContainer [2018-12-01 13:18:17,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 13:18:17,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 13:18:17,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 13:18:17,205 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 13:18:17,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 01:18:16" (1/3) ... [2018-12-01 13:18:17,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75103b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:18:17, skipping insertion in model container [2018-12-01 13:18:17,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:18:16" (2/3) ... [2018-12-01 13:18:17,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75103b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:18:17, skipping insertion in model container [2018-12-01 13:18:17,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:18:17" (3/3) ... [2018-12-01 13:18:17,207 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c_true-unreach-call.c [2018-12-01 13:18:17,212 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 13:18:17,216 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 13:18:17,225 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 13:18:17,241 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 13:18:17,242 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 13:18:17,242 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 13:18:17,242 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 13:18:17,242 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 13:18:17,242 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 13:18:17,242 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 13:18:17,242 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 13:18:17,242 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 13:18:17,252 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-12-01 13:18:17,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 13:18:17,255 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 13:18:17,256 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:18:17,257 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 13:18:17,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:18:17,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1697336041, now seen corresponding path program 1 times [2018-12-01 13:18:17,263 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 13:18:17,263 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/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 [2018-12-01 13:18:17,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:18:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:18:17,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 13:18:17,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:18:17,344 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 13:18:17,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 13:18:17,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 13:18:17,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 13:18:17,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 13:18:17,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 13:18:17,363 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-12-01 13:18:17,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 13:18:17,376 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2018-12-01 13:18:17,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 13:18:17,377 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-01 13:18:17,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 13:18:17,385 INFO L225 Difference]: With dead ends: 74 [2018-12-01 13:18:17,385 INFO L226 Difference]: Without dead ends: 37 [2018-12-01 13:18:17,388 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 13:18:17,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-01 13:18:17,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-01 13:18:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-01 13:18:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-12-01 13:18:17,413 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 19 [2018-12-01 13:18:17,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 13:18:17,413 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-12-01 13:18:17,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 13:18:17,413 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-12-01 13:18:17,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 13:18:17,414 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 13:18:17,414 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:18:17,414 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 13:18:17,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:18:17,414 INFO L82 PathProgramCache]: Analyzing trace with hash 859793106, now seen corresponding path program 1 times [2018-12-01 13:18:17,414 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 13:18:17,414 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/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 [2018-12-01 13:18:17,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:18:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:18:17,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 13:18:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:18:17,598 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 13:18:17,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 13:18:17,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 13:18:17,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 13:18:17,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 13:18:17,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 13:18:17,611 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 7 states. [2018-12-01 13:18:18,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 13:18:18,279 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2018-12-01 13:18:18,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 13:18:18,280 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-01 13:18:18,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 13:18:18,281 INFO L225 Difference]: With dead ends: 56 [2018-12-01 13:18:18,281 INFO L226 Difference]: Without dead ends: 33 [2018-12-01 13:18:18,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-12-01 13:18:18,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-01 13:18:18,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-01 13:18:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-01 13:18:18,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-12-01 13:18:18,286 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 20 [2018-12-01 13:18:18,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 13:18:18,286 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-12-01 13:18:18,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 13:18:18,286 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-12-01 13:18:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 13:18:18,286 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 13:18:18,286 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:18:18,287 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 13:18:18,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:18:18,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1019458128, now seen corresponding path program 1 times [2018-12-01 13:18:18,287 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 13:18:18,287 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/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 [2018-12-01 13:18:18,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:18:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:18:18,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 13:18:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:18:18,415 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 13:18:18,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 13:18:18,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 13:18:18,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 13:18:18,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 13:18:18,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 13:18:18,427 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 7 states. [2018-12-01 13:18:18,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 13:18:18,846 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-12-01 13:18:18,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 13:18:18,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-01 13:18:18,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 13:18:18,848 INFO L225 Difference]: With dead ends: 49 [2018-12-01 13:18:18,848 INFO L226 Difference]: Without dead ends: 31 [2018-12-01 13:18:18,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-12-01 13:18:18,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-01 13:18:18,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-01 13:18:18,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-01 13:18:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-12-01 13:18:18,852 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 22 [2018-12-01 13:18:18,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 13:18:18,852 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-12-01 13:18:18,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 13:18:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-12-01 13:18:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 13:18:18,852 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 13:18:18,853 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:18:18,853 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 13:18:18,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:18:18,853 INFO L82 PathProgramCache]: Analyzing trace with hash 380697694, now seen corresponding path program 1 times [2018-12-01 13:18:18,853 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 13:18:18,853 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/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 [2018-12-01 13:18:18,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:18:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:18:18,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 13:18:18,911 INFO L478 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 [2018-12-01 13:18:18,914 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-12-01 13:18:18,925 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-12-01 13:18:18,925 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 13:18:18,927 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 13:18:18,929 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 13:18:18,931 INFO L267 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. [2018-12-01 13:18:18,931 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2018-12-01 13:18:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:18:18,981 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 13:18:18,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 13:18:18,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 13:18:18,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 13:18:18,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 13:18:18,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 13:18:18,989 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 7 states. [2018-12-01 13:18:19,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 13:18:19,118 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-12-01 13:18:19,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 13:18:19,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-01 13:18:19,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 13:18:19,119 INFO L225 Difference]: With dead ends: 34 [2018-12-01 13:18:19,119 INFO L226 Difference]: Without dead ends: 31 [2018-12-01 13:18:19,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 13:18:19,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-01 13:18:19,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-01 13:18:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-01 13:18:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-12-01 13:18:19,122 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 22 [2018-12-01 13:18:19,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 13:18:19,123 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-12-01 13:18:19,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 13:18:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-12-01 13:18:19,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 13:18:19,123 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 13:18:19,123 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:18:19,123 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 13:18:19,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:18:19,124 INFO L82 PathProgramCache]: Analyzing trace with hash 862976725, now seen corresponding path program 1 times [2018-12-01 13:18:19,124 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 13:18:19,124 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-01 13:18:19,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:18:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:18:19,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 13:18:19,226 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-12-01 13:18:19,229 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-12-01 13:18:19,240 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-12-01 13:18:19,240 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 13:18:19,242 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 13:18:19,245 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 13:18:19,252 INFO L267 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. [2018-12-01 13:18:19,252 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2018-12-01 13:18:19,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:18:19,670 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 13:18:19,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 13:18:19,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-12-01 13:18:19,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-01 13:18:19,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 13:18:19,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-12-01 13:18:19,678 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 15 states. [2018-12-01 13:18:20,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 13:18:20,835 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-12-01 13:18:20,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-01 13:18:20,837 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-12-01 13:18:20,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 13:18:20,837 INFO L225 Difference]: With dead ends: 31 [2018-12-01 13:18:20,837 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 13:18:20,838 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2018-12-01 13:18:20,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 13:18:20,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 13:18:20,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 13:18:20,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 13:18:20,839 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-12-01 13:18:20,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 13:18:20,839 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 13:18:20,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-01 13:18:20,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 13:18:20,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 13:18:20,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 13:18:20,994 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2018-12-01 13:18:21,154 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2018-12-01 13:18:21,155 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 13:18:21,156 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-01 13:18:21,156 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 13:18:21,156 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-12-01 13:18:21,156 INFO L444 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: (= |__signbit_double_#in~x| __signbit_double_~x) [2018-12-01 13:18:21,156 INFO L448 ceAbstractionStarter]: For program point L65-3(lines 65 69) no Hoare annotation was computed. [2018-12-01 13:18:21,156 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 62 72) no Hoare annotation was computed. [2018-12-01 13:18:21,156 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 62 72) no Hoare annotation was computed. [2018-12-01 13:18:21,156 INFO L451 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 62 72) the Hoare annotation is: true [2018-12-01 13:18:21,156 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 13:18:21,157 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-01 13:18:21,157 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 13:18:21,157 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 13:18:21,157 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 74 91) the Hoare annotation is: true [2018-12-01 13:18:21,157 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 74 91) no Hoare annotation was computed. [2018-12-01 13:18:21,157 INFO L448 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-12-01 13:18:21,157 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-01 13:18:21,157 INFO L444 ceAbstractionStarter]: At program point L85-1(line 85) the Hoare annotation is: (and |main_#t~short14| (exists ((v_prenex_9 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9)) (fp.neg (_ +zero 11 53))) (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_prenex_9)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) main_~res~0))) (= main_~x~0 (fp.neg (_ +zero 11 53)))) [2018-12-01 13:18:21,158 INFO L448 ceAbstractionStarter]: For program point L85-2(line 85) no Hoare annotation was computed. [2018-12-01 13:18:21,158 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 86) no Hoare annotation was computed. [2018-12-01 13:18:21,158 INFO L444 ceAbstractionStarter]: At program point L82(line 82) the Hoare annotation is: (= main_~x~0 (fp.neg (_ +zero 11 53))) [2018-12-01 13:18:21,158 INFO L448 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2018-12-01 13:18:21,158 INFO L448 ceAbstractionStarter]: For program point L85-4(lines 85 88) no Hoare annotation was computed. [2018-12-01 13:18:21,158 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 74 91) no Hoare annotation was computed. [2018-12-01 13:18:21,158 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 46) no Hoare annotation was computed. [2018-12-01 13:18:21,158 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2018-12-01 13:18:21,159 INFO L444 ceAbstractionStarter]: At program point L52-2(lines 52 57) the Hoare annotation is: (and (exists ((v_prenex_7 (_ BitVec 64))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv20 32))) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|))) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32))))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-12-01 13:18:21,159 INFO L448 ceAbstractionStarter]: For program point L52-3(lines 30 58) no Hoare annotation was computed. [2018-12-01 13:18:21,159 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 50) no Hoare annotation was computed. [2018-12-01 13:18:21,159 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2018-12-01 13:18:21,159 INFO L444 ceAbstractionStarter]: At program point L32-2(lines 32 37) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= trunc_double_~signbit~0 (bvand (_ bv2147483648 32) ((_ extract 63 32) v_prenex_9))) (= (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9)) |trunc_double_#in~x|))) (exists ((v_prenex_8 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_8)) (_ bv20 32)) (_ bv4294966273 32)) trunc_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-12-01 13:18:21,160 INFO L451 ceAbstractionStarter]: At program point trunc_doubleENTRY(lines 17 60) the Hoare annotation is: true [2018-12-01 13:18:21,160 INFO L448 ceAbstractionStarter]: For program point trunc_doubleEXIT(lines 17 60) no Hoare annotation was computed. [2018-12-01 13:18:21,160 INFO L448 ceAbstractionStarter]: For program point trunc_doubleFINAL(lines 17 60) no Hoare annotation was computed. [2018-12-01 13:18:21,160 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 58) no Hoare annotation was computed. [2018-12-01 13:18:21,160 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2018-12-01 13:18:21,160 INFO L444 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (= trunc_double_~x |trunc_double_#in~x|) [2018-12-01 13:18:21,160 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2018-12-01 13:18:21,161 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-12-01 13:18:21,161 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 39 45) no Hoare annotation was computed. [2018-12-01 13:18:21,161 INFO L444 ceAbstractionStarter]: At program point L39-2(lines 39 45) the Hoare annotation is: (and (exists ((v_prenex_8 (_ BitVec 64))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_8)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv0 32))) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (exists ((v_prenex_8 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_8)) (_ bv20 32)) (_ bv4294966273 32)) trunc_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-12-01 13:18:21,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,177 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,185 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,185 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,185 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,185 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,186 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,186 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,186 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,186 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,187 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,187 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,187 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,187 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 01:18:21 BoogieIcfgContainer [2018-12-01 13:18:21,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 13:18:21,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 13:18:21,189 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 13:18:21,190 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 13:18:21,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:18:17" (3/4) ... [2018-12-01 13:18:21,193 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 13:18:21,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 13:18:21,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-12-01 13:18:21,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 13:18:21,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_double [2018-12-01 13:18:21,202 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-12-01 13:18:21,203 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-01 13:18:21,203 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 13:18:21,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-01 13:18:21,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-01 13:18:21,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_9 : bv64 :: signbit == ~bvand32(2147483648bv32, v_prenex_9[63:32]) && ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-12-01 13:18:21,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_8 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32), 0bv32) && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-12-01 13:18:21,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_7 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) && (\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-12-01 13:18:21,239 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4fa1abbf-175c-4f17-a90d-4eb2b337ec7b/bin-2019/uautomizer/witness.graphml [2018-12-01 13:18:21,239 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 13:18:21,240 INFO L168 Benchmark]: Toolchain (without parser) took 4539.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.7 MB in the beginning and 833.4 MB in the end (delta: 111.3 MB). Peak memory consumption was 247.6 MB. Max. memory is 11.5 GB. [2018-12-01 13:18:21,240 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:18:21,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.98 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-01 13:18:21,241 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.65 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:18:21,241 INFO L168 Benchmark]: Boogie Preprocessor took 55.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-01 13:18:21,241 INFO L168 Benchmark]: RCFGBuilder took 270.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-01 13:18:21,242 INFO L168 Benchmark]: TraceAbstraction took 3985.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 833.4 MB in the end (delta: 265.8 MB). Peak memory consumption was 265.8 MB. Max. memory is 11.5 GB. [2018-12-01 13:18:21,242 INFO L168 Benchmark]: Witness Printer took 49.97 ms. Allocated memory is still 1.2 GB. Free memory is still 833.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:18:21,243 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.98 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.65 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 270.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3985.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 833.4 MB in the end (delta: 265.8 MB). Peak memory consumption was 265.8 MB. Max. memory is 11.5 GB. * Witness Printer took 49.97 ms. Allocated memory is still 1.2 GB. Free memory is still 833.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 86]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 52]: Loop Invariant [2018-12-01 13:18:21,247 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,247 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,248 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,248 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,248 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,248 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,248 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,248 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,249 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,249 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,249 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,249 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,250 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,250 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,250 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,250 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,250 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_7 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) && (\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - InvariantResult [Line: 32]: Loop Invariant [2018-12-01 13:18:21,252 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,252 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,252 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,252 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,252 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,253 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,253 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,253 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,253 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,253 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,253 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,253 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-01 13:18:21,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,255 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,255 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,255 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,255 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_9 : bv64 :: signbit == ~bvand32(2147483648bv32, v_prenex_9[63:32]) && ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - InvariantResult [Line: 39]: Loop Invariant [2018-12-01 13:18:21,255 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,255 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,255 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,256 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,256 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,256 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,256 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,256 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,256 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,256 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,256 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,256 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,257 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,257 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,257 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,257 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,257 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,257 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,258 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,258 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-01 13:18:21,258 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,258 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,258 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-01 13:18:21,258 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_8 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32), 0bv32) && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. SAFE Result, 3.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 SDtfs, 124 SDslu, 509 SDs, 0 SdLazy, 238 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 19 PreInvPairs, 25 NumberOfFragments, 239 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 93 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 108 ConstructedInterpolants, 40 QuantifiedInterpolants, 24145 SizeOfPredicates, 21 NumberOfNonLiveVariables, 322 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...