./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/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 77a01f137667344720fd98189387bfe86c106b2a ........................................................................................................................................................................................................................................................................................................... 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_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/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 77a01f137667344720fd98189387bfe86c106b2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:02:11,689 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:02:11,690 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:02:11,697 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:02:11,697 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:02:11,698 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:02:11,698 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:02:11,700 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:02:11,701 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:02:11,701 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:02:11,702 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:02:11,702 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:02:11,703 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:02:11,703 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:02:11,704 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:02:11,705 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:02:11,706 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:02:11,707 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:02:11,708 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:02:11,709 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:02:11,710 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:02:11,711 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:02:11,712 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:02:11,713 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:02:11,713 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:02:11,714 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:02:11,714 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:02:11,715 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:02:11,715 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:02:11,716 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:02:11,716 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:02:11,717 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:02:11,717 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:02:11,717 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:02:11,718 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:02:11,718 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:02:11,719 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 13:02:11,728 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:02:11,728 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:02:11,729 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:02:11,729 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 13:02:11,729 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:02:11,730 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:02:11,730 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:02:11,730 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:02:11,730 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:02:11,730 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:02:11,730 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:02:11,730 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:02:11,731 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:02:11,731 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:02:11,731 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:02:11,731 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:02:11,731 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:02:11,731 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:02:11,731 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:02:11,731 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:02:11,731 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:02:11,732 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:02:11,732 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:02:11,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:02:11,732 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:02:11,732 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:02:11,732 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:02:11,732 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:02:11,732 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:02:11,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:02:11,732 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_69326f09-2837-4767-8b0e-47e2b04a7418/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 -> 77a01f137667344720fd98189387bfe86c106b2a [2018-11-18 13:02:11,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:02:11,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:02:11,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:02:11,767 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:02:11,767 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:02:11,768 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-11-18 13:02:11,811 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/data/8e458b2c8/2b871400ff624bc0ab144af9188dedb2/FLAG9846a47a2 [2018-11-18 13:02:12,207 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:02:12,207 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-11-18 13:02:12,212 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/data/8e458b2c8/2b871400ff624bc0ab144af9188dedb2/FLAG9846a47a2 [2018-11-18 13:02:12,220 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/data/8e458b2c8/2b871400ff624bc0ab144af9188dedb2 [2018-11-18 13:02:12,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:02:12,223 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:02:12,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:02:12,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:02:12,227 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:02:12,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:02:12" (1/1) ... [2018-11-18 13:02:12,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383ef775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:12, skipping insertion in model container [2018-11-18 13:02:12,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:02:12" (1/1) ... [2018-11-18 13:02:12,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:02:12,254 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:02:12,382 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:02:12,385 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:02:12,410 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:02:12,422 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:02:12,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:12 WrapperNode [2018-11-18 13:02:12,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:02:12,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:02:12,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:02:12,423 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:02:12,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:12" (1/1) ... [2018-11-18 13:02:12,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:12" (1/1) ... [2018-11-18 13:02:12,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:12" (1/1) ... [2018-11-18 13:02:12,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:12" (1/1) ... [2018-11-18 13:02:12,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:12" (1/1) ... [2018-11-18 13:02:12,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:12" (1/1) ... [2018-11-18 13:02:12,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:12" (1/1) ... [2018-11-18 13:02:12,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:02:12,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:02:12,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:02:12,501 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:02:12,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/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 [2018-11-18 13:02:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:02:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:02:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-18 13:02:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 13:02:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:02:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:02:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 13:02:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-18 13:02:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:02:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 13:02:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:02:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:02:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:02:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 13:02:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 13:02:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:02:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:02:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:02:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 13:02:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 13:02:12,811 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:02:12,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:12 BoogieIcfgContainer [2018-11-18 13:02:12,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:02:12,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:02:12,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:02:12,815 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:02:12,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:02:12" (1/3) ... [2018-11-18 13:02:12,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638a7ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:02:12, skipping insertion in model container [2018-11-18 13:02:12,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:12" (2/3) ... [2018-11-18 13:02:12,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638a7ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:02:12, skipping insertion in model container [2018-11-18 13:02:12,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:12" (3/3) ... [2018-11-18 13:02:12,819 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740_true-unreach-call.c [2018-11-18 13:02:12,827 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:02:12,834 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:02:12,848 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:02:12,874 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:02:12,875 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:02:12,875 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:02:12,875 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:02:12,875 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:02:12,875 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:02:12,875 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:02:12,875 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:02:12,876 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:02:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-11-18 13:02:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 13:02:12,897 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:02:12,898 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:12,899 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:02:12,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:12,904 INFO L82 PathProgramCache]: Analyzing trace with hash 498105411, now seen corresponding path program 1 times [2018-11-18 13:02:12,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:12,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:12,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:12,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:12,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:13,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:02:13,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:02:13,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:02:13,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:02:13,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:02:13,032 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2018-11-18 13:02:13,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:02:13,052 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2018-11-18 13:02:13,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:02:13,053 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-18 13:02:13,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:02:13,061 INFO L225 Difference]: With dead ends: 124 [2018-11-18 13:02:13,061 INFO L226 Difference]: Without dead ends: 62 [2018-11-18 13:02:13,063 INFO L604 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 [2018-11-18 13:02:13,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-18 13:02:13,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-11-18 13:02:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-18 13:02:13,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 81 transitions. [2018-11-18 13:02:13,090 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 81 transitions. Word has length 20 [2018-11-18 13:02:13,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:02:13,090 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 81 transitions. [2018-11-18 13:02:13,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:02:13,090 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-11-18 13:02:13,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:02:13,091 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:02:13,091 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:13,091 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:02:13,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:13,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1393811953, now seen corresponding path program 1 times [2018-11-18 13:02:13,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:13,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:13,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:13,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:13,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:13,150 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 13:02:13,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:02:13 BoogieIcfgContainer [2018-11-18 13:02:13,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:02:13,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:02:13,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:02:13,167 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:02:13,167 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:12" (3/4) ... [2018-11-18 13:02:13,170 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 13:02:13,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:02:13,170 INFO L168 Benchmark]: Toolchain (without parser) took 947.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -112.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:02:13,171 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:02:13,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 198.44 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:02:13,172 INFO L168 Benchmark]: Boogie Preprocessor took 78.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:02:13,172 INFO L168 Benchmark]: RCFGBuilder took 311.04 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:02:13,173 INFO L168 Benchmark]: TraceAbstraction took 354.11 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: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:02:13,173 INFO L168 Benchmark]: Witness Printer took 2.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:02:13,175 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 198.44 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 78.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 311.04 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 354.11 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: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 144]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=6442450950, \old(tiny_sqrt)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = -1.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L140] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=6442450951, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=6442450951, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450951] [L26] FCALL ieee_double_shape_type ew_u; [L27] FCALL ew_u.value = (x) [L28] EXPR, FCALL ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR, FCALL ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L30] COND FALSE !(0) VAL [\old(x)=6442450951, ix0=2147483647, ix1=6442450945, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450951] [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] RET return x * x + x; VAL [\old(x)=6442450951, ix0=2147483647, ix1=6442450945, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450951] [L140] EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450951] [L140] double res = __ieee754_sqrt(x); [L143] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L130] RET return x != x; VAL [\old(x)=6442450949, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L143] EXPR isnan_double(res) VAL [isnan_double(res)=0, one_sqrt=1, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450951] [L143] COND TRUE !isnan_double(res) [L144] __VERIFIER_error() VAL [one_sqrt=1, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450951] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 66 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 85 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=66occurred 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, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 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 0.1.23-5842f4b [2018-11-18 13:02:14,634 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:02:14,635 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:02:14,643 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:02:14,643 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:02:14,644 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:02:14,644 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:02:14,645 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:02:14,647 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:02:14,647 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:02:14,648 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:02:14,648 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:02:14,649 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:02:14,650 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:02:14,651 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:02:14,651 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:02:14,652 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:02:14,653 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:02:14,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:02:14,656 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:02:14,657 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:02:14,658 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:02:14,659 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:02:14,660 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:02:14,660 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:02:14,660 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:02:14,662 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:02:14,662 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:02:14,663 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:02:14,663 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:02:14,664 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:02:14,664 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:02:14,664 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:02:14,664 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:02:14,665 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:02:14,666 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:02:14,666 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 13:02:14,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:02:14,677 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:02:14,677 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:02:14,677 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:02:14,678 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:02:14,678 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:02:14,678 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:02:14,678 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:02:14,679 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:02:14,679 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:02:14,679 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:02:14,679 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:02:14,679 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:02:14,679 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:02:14,679 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:02:14,679 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:02:14,679 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:02:14,679 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:02:14,680 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:02:14,680 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:02:14,680 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:02:14,680 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:02:14,680 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:02:14,680 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:02:14,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:02:14,680 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:02:14,680 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:02:14,681 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:02:14,681 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 13:02:14,681 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:02:14,681 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:02:14,681 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:02:14,681 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_69326f09-2837-4767-8b0e-47e2b04a7418/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 -> 77a01f137667344720fd98189387bfe86c106b2a [2018-11-18 13:02:14,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:02:14,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:02:14,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:02:14,719 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:02:14,719 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:02:14,720 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-11-18 13:02:14,755 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/data/c779bdbc3/45f366f0c167434fb7e597dfc03ed526/FLAG0e99c811e [2018-11-18 13:02:15,153 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:02:15,154 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-11-18 13:02:15,158 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/data/c779bdbc3/45f366f0c167434fb7e597dfc03ed526/FLAG0e99c811e [2018-11-18 13:02:15,166 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/data/c779bdbc3/45f366f0c167434fb7e597dfc03ed526 [2018-11-18 13:02:15,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:02:15,169 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:02:15,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:02:15,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:02:15,173 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:02:15,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:02:15" (1/1) ... [2018-11-18 13:02:15,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb4188f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:15, skipping insertion in model container [2018-11-18 13:02:15,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:02:15" (1/1) ... [2018-11-18 13:02:15,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:02:15,205 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:02:15,372 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:02:15,376 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:02:15,407 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:02:15,428 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:02:15,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:15 WrapperNode [2018-11-18 13:02:15,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:02:15,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:02:15,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:02:15,430 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:02:15,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:15" (1/1) ... [2018-11-18 13:02:15,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:15" (1/1) ... [2018-11-18 13:02:15,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:15" (1/1) ... [2018-11-18 13:02:15,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:15" (1/1) ... [2018-11-18 13:02:15,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:15" (1/1) ... [2018-11-18 13:02:15,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:15" (1/1) ... [2018-11-18 13:02:15,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:15" (1/1) ... [2018-11-18 13:02:15,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:02:15,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:02:15,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:02:15,511 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:02:15,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/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 [2018-11-18 13:02:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:02:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:02:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-18 13:02:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 13:02:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:02:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:02:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 13:02:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-18 13:02:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:02:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 13:02:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 13:02:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:02:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 13:02:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 13:02:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 13:02:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:02:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:02:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:02:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 13:02:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 13:02:15,740 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:02:18,195 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:02:18,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:18 BoogieIcfgContainer [2018-11-18 13:02:18,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:02:18,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:02:18,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:02:18,199 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:02:18,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:02:15" (1/3) ... [2018-11-18 13:02:18,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ec5dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:02:18, skipping insertion in model container [2018-11-18 13:02:18,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:15" (2/3) ... [2018-11-18 13:02:18,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ec5dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:02:18, skipping insertion in model container [2018-11-18 13:02:18,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:18" (3/3) ... [2018-11-18 13:02:18,202 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740_true-unreach-call.c [2018-11-18 13:02:18,209 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:02:18,214 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:02:18,224 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:02:18,245 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:02:18,246 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:02:18,246 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:02:18,246 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:02:18,246 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:02:18,246 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:02:18,246 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:02:18,246 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:02:18,247 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:02:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-11-18 13:02:18,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:02:18,260 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:02:18,261 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:18,262 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:02:18,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:18,266 INFO L82 PathProgramCache]: Analyzing trace with hash 454158052, now seen corresponding path program 1 times [2018-11-18 13:02:18,268 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:02:18,268 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/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 [2018-11-18 13:02:18,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:18,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:02:18,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:18,613 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:02:18,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:02:18,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:02:18,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:02:18,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:02:18,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:02:18,638 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2018-11-18 13:02:18,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:02:18,654 INFO L93 Difference]: Finished difference Result 122 states and 178 transitions. [2018-11-18 13:02:18,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:02:18,655 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 13:02:18,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:02:18,661 INFO L225 Difference]: With dead ends: 122 [2018-11-18 13:02:18,661 INFO L226 Difference]: Without dead ends: 61 [2018-11-18 13:02:18,664 INFO L604 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 [2018-11-18 13:02:18,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-18 13:02:18,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-18 13:02:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-18 13:02:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2018-11-18 13:02:18,693 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 19 [2018-11-18 13:02:18,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:02:18,693 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2018-11-18 13:02:18,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:02:18,693 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-11-18 13:02:18,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 13:02:18,694 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:02:18,694 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:18,695 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:02:18,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:18,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1064262181, now seen corresponding path program 1 times [2018-11-18 13:02:18,695 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:02:18,696 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/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 [2018-11-18 13:02:18,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:19,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:02:25,378 WARN L180 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 6 [2018-11-18 13:02:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:32,013 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:02:32,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:02:32,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:02:32,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:02:32,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:02:32,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:02:32,026 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand 9 states. [2018-11-18 13:02:45,851 WARN L180 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-18 13:03:07,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:07,140 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2018-11-18 13:03:07,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:03:07,141 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-11-18 13:03:07,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:07,142 INFO L225 Difference]: With dead ends: 68 [2018-11-18 13:03:07,142 INFO L226 Difference]: Without dead ends: 61 [2018-11-18 13:03:07,143 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 26.7s TimeCoverageRelationStatistics Valid=33, Invalid=121, Unknown=2, NotChecked=0, Total=156 [2018-11-18 13:03:07,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-18 13:03:07,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-18 13:03:07,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-18 13:03:07,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 79 transitions. [2018-11-18 13:03:07,153 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 79 transitions. Word has length 20 [2018-11-18 13:03:07,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:07,153 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 79 transitions. [2018-11-18 13:03:07,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:03:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2018-11-18 13:03:07,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:03:07,154 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:07,154 INFO L375 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] [2018-11-18 13:03:07,155 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:07,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:07,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1420604617, now seen corresponding path program 1 times [2018-11-18 13:03:07,155 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:03:07,155 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/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 [2018-11-18 13:03:07,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:07,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:07,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:07,273 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:03:07,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:03:07,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:03:07,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:03:07,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:03:07,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:03:07,281 INFO L87 Difference]: Start difference. First operand 61 states and 79 transitions. Second operand 6 states. [2018-11-18 13:03:09,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:09,667 INFO L93 Difference]: Finished difference Result 70 states and 90 transitions. [2018-11-18 13:03:09,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:03:09,669 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-18 13:03:09,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:09,669 INFO L225 Difference]: With dead ends: 70 [2018-11-18 13:03:09,669 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:03:09,670 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:03:09,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:03:09,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:03:09,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:03:09,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:03:09,671 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-11-18 13:03:09,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:09,671 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:03:09,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:03:09,671 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:03:09,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:03:09,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:03:09,795 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 19 127) the Hoare annotation is: true [2018-11-18 13:03:09,795 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 19 127) no Hoare annotation was computed. [2018-11-18 13:03:09,796 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 94) no Hoare annotation was computed. [2018-11-18 13:03:09,796 INFO L425 ceAbstractionStarter]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2018-11-18 13:03:09,796 INFO L425 ceAbstractionStarter]: For program point L44(lines 44 55) no Hoare annotation was computed. [2018-11-18 13:03:09,796 INFO L425 ceAbstractionStarter]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2018-11-18 13:03:09,796 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 113) no Hoare annotation was computed. [2018-11-18 13:03:09,796 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 41) no Hoare annotation was computed. [2018-11-18 13:03:09,796 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 69 79) no Hoare annotation was computed. [2018-11-18 13:03:09,796 INFO L425 ceAbstractionStarter]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2018-11-18 13:03:09,797 INFO L421 ceAbstractionStarter]: At program point L69-3(lines 69 79) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-11-18 13:03:09,797 INFO L425 ceAbstractionStarter]: For program point L69-4(lines 69 79) no Hoare annotation was computed. [2018-11-18 13:03:09,797 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 45 49) no Hoare annotation was computed. [2018-11-18 13:03:09,797 INFO L421 ceAbstractionStarter]: At program point L45-3(lines 45 49) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-11-18 13:03:09,797 INFO L425 ceAbstractionStarter]: For program point L45-4(lines 45 49) no Hoare annotation was computed. [2018-11-18 13:03:09,797 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 40) no Hoare annotation was computed. [2018-11-18 13:03:09,797 INFO L425 ceAbstractionStarter]: For program point L87(lines 87 88) no Hoare annotation was computed. [2018-11-18 13:03:09,797 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 125) no Hoare annotation was computed. [2018-11-18 13:03:09,797 INFO L425 ceAbstractionStarter]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2018-11-18 13:03:09,798 INFO L421 ceAbstractionStarter]: At program point L120-3(lines 120 125) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-11-18 13:03:09,798 INFO L425 ceAbstractionStarter]: For program point L120-4(lines 120 125) no Hoare annotation was computed. [2018-11-18 13:03:09,798 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2018-11-18 13:03:09,798 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 75) no Hoare annotation was computed. [2018-11-18 13:03:09,798 INFO L425 ceAbstractionStarter]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2018-11-18 13:03:09,798 INFO L425 ceAbstractionStarter]: For program point L39(lines 39 40) no Hoare annotation was computed. [2018-11-18 13:03:09,798 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 19 127) no Hoare annotation was computed. [2018-11-18 13:03:09,798 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-11-18 13:03:09,798 INFO L425 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-11-18 13:03:09,799 INFO L425 ceAbstractionStarter]: For program point L82-1(lines 82 98) no Hoare annotation was computed. [2018-11-18 13:03:09,799 INFO L421 ceAbstractionStarter]: At program point L82-3(lines 82 98) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-11-18 13:03:09,799 INFO L425 ceAbstractionStarter]: For program point L82-4(lines 19 127) no Hoare annotation was computed. [2018-11-18 13:03:09,799 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-11-18 13:03:09,799 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 61) no Hoare annotation was computed. [2018-11-18 13:03:09,799 INFO L425 ceAbstractionStarter]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2018-11-18 13:03:09,799 INFO L425 ceAbstractionStarter]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2018-11-18 13:03:09,799 INFO L421 ceAbstractionStarter]: At program point L25-3(lines 25 30) the Hoare annotation is: (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) [2018-11-18 13:03:09,800 INFO L425 ceAbstractionStarter]: For program point L25-4(lines 19 127) no Hoare annotation was computed. [2018-11-18 13:03:09,800 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 51) no Hoare annotation was computed. [2018-11-18 13:03:09,800 INFO L425 ceAbstractionStarter]: For program point L50-3(lines 50 51) no Hoare annotation was computed. [2018-11-18 13:03:09,800 INFO L421 ceAbstractionStarter]: At program point L50-4(lines 50 51) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-11-18 13:03:09,800 INFO L425 ceAbstractionStarter]: For program point L50-5(lines 50 51) no Hoare annotation was computed. [2018-11-18 13:03:09,800 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2018-11-18 13:03:09,800 INFO L425 ceAbstractionStarter]: For program point L108-2(lines 108 109) no Hoare annotation was computed. [2018-11-18 13:03:09,800 INFO L425 ceAbstractionStarter]: For program point L100(lines 100 114) no Hoare annotation was computed. [2018-11-18 13:03:09,800 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-11-18 13:03:09,801 INFO L425 ceAbstractionStarter]: For program point L117-2(lines 117 118) no Hoare annotation was computed. [2018-11-18 13:03:09,801 INFO L428 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 130) the Hoare annotation is: true [2018-11-18 13:03:09,801 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 130) no Hoare annotation was computed. [2018-11-18 13:03:09,801 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 130) no Hoare annotation was computed. [2018-11-18 13:03:09,801 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:03:09,801 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:03:09,801 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:03:09,801 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:03:09,801 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 13:03:09,801 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:03:09,802 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:03:09,802 INFO L425 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-18 13:03:09,802 INFO L421 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= .cse0 main_~x~0) (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) main_~res~0))) [2018-11-18 13:03:09,802 INFO L425 ceAbstractionStarter]: For program point L143-1(lines 143 146) no Hoare annotation was computed. [2018-11-18 13:03:09,802 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2018-11-18 13:03:09,802 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 132 149) the Hoare annotation is: true [2018-11-18 13:03:09,802 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 132 149) no Hoare annotation was computed. [2018-11-18 13:03:09,803 INFO L421 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) [2018-11-18 13:03:09,803 INFO L425 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-11-18 13:03:09,803 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 132 149) no Hoare annotation was computed. [2018-11-18 13:03:09,807 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,808 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,808 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,808 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,812 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,812 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,812 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,812 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,813 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,813 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,813 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,813 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,814 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,814 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,814 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,814 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,814 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,814 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,814 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,814 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,815 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,815 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,815 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,815 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:03:09 BoogieIcfgContainer [2018-11-18 13:03:09,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:03:09,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:03:09,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:03:09,822 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:03:09,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:18" (3/4) ... [2018-11-18 13:03:09,826 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:03:09,831 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-11-18 13:03:09,831 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 13:03:09,831 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:03:09,832 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:03:09,836 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2018-11-18 13:03:09,837 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 13:03:09,837 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:03:09,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 13:03:09,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-11-18 13:03:09,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-11-18 13:03:09,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-11-18 13:03:09,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-11-18 13:03:09,855 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-11-18 13:03:09,879 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_69326f09-2837-4767-8b0e-47e2b04a7418/bin-2019/uautomizer/witness.graphml [2018-11-18 13:03:09,879 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:03:09,879 INFO L168 Benchmark]: Toolchain (without parser) took 54710.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 949.7 MB in the beginning and 943.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 130.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:03:09,880 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:03:09,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.26 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:03:09,880 INFO L168 Benchmark]: Boogie Preprocessor took 81.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:03:09,881 INFO L168 Benchmark]: RCFGBuilder took 2684.59 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: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:03:09,881 INFO L168 Benchmark]: TraceAbstraction took 51625.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 943.7 MB in the end (delta: 133.7 MB). Peak memory consumption was 133.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:03:09,881 INFO L168 Benchmark]: Witness Printer took 56.64 ms. Allocated memory is still 1.2 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:03:09,882 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.26 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2684.59 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: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 51625.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 943.7 MB in the end (delta: 133.7 MB). Peak memory consumption was 133.7 MB. Max. memory is 11.5 GB. * Witness Printer took 56.64 ms. Allocated memory is still 1.2 GB. Free memory is still 943.7 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_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 144]: 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: 120]: Loop Invariant [2018-11-18 13:03:09,885 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,885 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,886 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,886 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,886 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,886 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,886 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - InvariantResult [Line: 45]: Loop Invariant [2018-11-18 13:03:09,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,887 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,888 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,888 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,888 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,888 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - InvariantResult [Line: 82]: Loop Invariant [2018-11-18 13:03:09,888 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,888 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,888 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,888 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,888 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,889 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,889 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,889 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 69]: Loop Invariant [2018-11-18 13:03:09,889 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,889 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,889 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,890 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - InvariantResult [Line: 50]: Loop Invariant [2018-11-18 13:03:09,891 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,891 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,891 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,891 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,892 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,892 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,892 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-11-18 13:03:09,892 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 65 locations, 1 error locations. SAFE Result, 51.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 37.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 213 SDtfs, 213 SDslu, 543 SDs, 0 SdLazy, 114 SolverSat, 11 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 22.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 26.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 16 PreInvPairs, 25 NumberOfFragments, 175 HoareAnnotationTreeSize, 16 FomulaSimplifications, 80 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 6 QuantifiedInterpolants, 5800 SizeOfPredicates, 7 NumberOfNonLiveVariables, 184 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...