./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/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 183c064a530646119ada233c15fa830a0c2bc1a1 ........................................................................................................................................................................................................................................................................................................................... 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_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/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 183c064a530646119ada233c15fa830a0c2bc1a1 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:11:16,276 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:11:16,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:11:16,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:11:16,283 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:11:16,283 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:11:16,284 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:11:16,285 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:11:16,285 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:11:16,286 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:11:16,286 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:11:16,286 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:11:16,287 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:11:16,287 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:11:16,288 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:11:16,288 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:11:16,289 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:11:16,290 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:11:16,290 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:11:16,291 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:11:16,292 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:11:16,292 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:11:16,293 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:11:16,293 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:11:16,293 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:11:16,294 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:11:16,294 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:11:16,295 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:11:16,295 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:11:16,296 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:11:16,296 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:11:16,296 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:11:16,296 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:11:16,296 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:11:16,297 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:11:16,297 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:11:16,297 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 03:11:16,304 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:11:16,304 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:11:16,304 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:11:16,305 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 03:11:16,305 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:11:16,305 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:11:16,305 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 03:11:16,305 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:11:16,305 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:11:16,306 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:11:16,306 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:11:16,306 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:11:16,306 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:11:16,306 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:11:16,306 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:11:16,306 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:11:16,306 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:11:16,307 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:11:16,307 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:11:16,307 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:11:16,307 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 03:11:16,307 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:11:16,307 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 03:11:16,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:11:16,308 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:11:16,308 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:11:16,308 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:11:16,308 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 03:11:16,308 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:11:16,308 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:11:16,308 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_a80fd325-241f-4a2e-b753-47e0c2d6fa15/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 -> 183c064a530646119ada233c15fa830a0c2bc1a1 [2018-12-02 03:11:16,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:11:16,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:11:16,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:11:16,335 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:11:16,335 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:11:16,335 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-12-02 03:11:16,369 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/data/71d18fb7b/1ee92035eb7b4b90a43d72b5a1c1340a/FLAGdf9898b7c [2018-12-02 03:11:16,703 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:11:16,703 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-12-02 03:11:16,707 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/data/71d18fb7b/1ee92035eb7b4b90a43d72b5a1c1340a/FLAGdf9898b7c [2018-12-02 03:11:17,102 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/data/71d18fb7b/1ee92035eb7b4b90a43d72b5a1c1340a [2018-12-02 03:11:17,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:11:17,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:11:17,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:11:17,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:11:17,108 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:11:17,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:11:17" (1/1) ... [2018-12-02 03:11:17,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d3e50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17, skipping insertion in model container [2018-12-02 03:11:17,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:11:17" (1/1) ... [2018-12-02 03:11:17,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:11:17,127 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:11:17,234 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:11:17,237 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:11:17,260 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:11:17,272 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:11:17,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17 WrapperNode [2018-12-02 03:11:17,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:11:17,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:11:17,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:11:17,273 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:11:17,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17" (1/1) ... [2018-12-02 03:11:17,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17" (1/1) ... [2018-12-02 03:11:17,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:11:17,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:11:17,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:11:17,318 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:11:17,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17" (1/1) ... [2018-12-02 03:11:17,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17" (1/1) ... [2018-12-02 03:11:17,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17" (1/1) ... [2018-12-02 03:11:17,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17" (1/1) ... [2018-12-02 03:11:17,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17" (1/1) ... [2018-12-02 03:11:17,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17" (1/1) ... [2018-12-02 03:11:17,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17" (1/1) ... [2018-12-02 03:11:17,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:11:17,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:11:17,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:11:17,339 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:11:17,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:11:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 03:11:17,371 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 03:11:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-02 03:11:17,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-02 03:11:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 03:11:17,371 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 03:11:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 03:11:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 03:11:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 03:11:17,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 03:11:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 03:11:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:11:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:11:17,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:11:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 03:11:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 03:11:17,551 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:11:17,551 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-02 03:11:17,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:11:17 BoogieIcfgContainer [2018-12-02 03:11:17,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:11:17,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 03:11:17,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 03:11:17,554 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 03:11:17,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:11:17" (1/3) ... [2018-12-02 03:11:17,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b240d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:11:17, skipping insertion in model container [2018-12-02 03:11:17,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:17" (2/3) ... [2018-12-02 03:11:17,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b240d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:11:17, skipping insertion in model container [2018-12-02 03:11:17,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:11:17" (3/3) ... [2018-12-02 03:11:17,556 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0921_true-unreach-call.c [2018-12-02 03:11:17,561 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 03:11:17,566 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 03:11:17,575 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 03:11:17,592 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 03:11:17,592 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 03:11:17,592 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 03:11:17,592 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 03:11:17,592 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 03:11:17,592 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 03:11:17,592 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 03:11:17,592 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 03:11:17,592 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 03:11:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-12-02 03:11:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 03:11:17,606 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:11:17,606 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:11:17,607 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:11:17,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:11:17,611 INFO L82 PathProgramCache]: Analyzing trace with hash -2053347257, now seen corresponding path program 1 times [2018-12-02 03:11:17,612 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:11:17,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:11:17,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:11:17,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:11:17,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:11:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:11:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:11:17,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:11:17,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 03:11:17,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 03:11:17,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 03:11:17,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 03:11:17,708 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-12-02 03:11:17,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:11:17,720 INFO L93 Difference]: Finished difference Result 76 states and 110 transitions. [2018-12-02 03:11:17,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 03:11:17,721 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-02 03:11:17,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:11:17,726 INFO L225 Difference]: With dead ends: 76 [2018-12-02 03:11:17,726 INFO L226 Difference]: Without dead ends: 38 [2018-12-02 03:11:17,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 03:11:17,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-02 03:11:17,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-02 03:11:17,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-02 03:11:17,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2018-12-02 03:11:17,750 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 48 transitions. Word has length 22 [2018-12-02 03:11:17,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:11:17,750 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 48 transitions. [2018-12-02 03:11:17,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 03:11:17,750 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2018-12-02 03:11:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 03:11:17,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:11:17,751 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:11:17,751 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:11:17,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:11:17,751 INFO L82 PathProgramCache]: Analyzing trace with hash 435849502, now seen corresponding path program 1 times [2018-12-02 03:11:17,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:11:17,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:11:17,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:11:17,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:11:17,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:11:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:11:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:11:17,821 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 03:11:17,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:11:17 BoogieIcfgContainer [2018-12-02 03:11:17,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 03:11:17,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:11:17,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:11:17,852 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:11:17,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:11:17" (3/4) ... [2018-12-02 03:11:17,854 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 03:11:17,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:11:17,855 INFO L168 Benchmark]: Toolchain (without parser) took 750.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -69.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:11:17,856 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:11:17,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.78 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 939.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:11:17,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:11:17,857 INFO L168 Benchmark]: Boogie Preprocessor took 21.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:11:17,857 INFO L168 Benchmark]: RCFGBuilder took 212.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-02 03:11:17,857 INFO L168 Benchmark]: TraceAbstraction took 299.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:11:17,858 INFO L168 Benchmark]: Witness Printer took 3.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:11:17,859 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.78 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 939.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 212.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 299.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 140]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=6442450962, \old(Lg2_log)=6442450966, \old(Lg3_log)=6442450947, \old(Lg4_log)=6442450950, \old(Lg5_log)=6442450952, \old(Lg6_log)=6442450959, \old(Lg7_log)=6442450956, \old(ln2_hi_log)=6442450949, \old(ln2_lo_log)=6442450953, \old(two54_log)=6442450960, \old(zero)=6442450963, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L135] double x = 0.0 / 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L136] CALL, EXPR __ieee754_log(x) VAL [\old(x)=6442450965, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=6442450965, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450965, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [\old(x)=6442450965, hx=-2147483646, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483668, two54_log=18014398509481984, x=6442450965, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [\old(x)=6442450965, hx=-2147483646, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483668, two54_log=18014398509481984, x=6442450965, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [\old(x)=6442450965, hx=-2147483646, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483668, two54_log=18014398509481984, x=6442450965, zero=0] [L136] RET, EXPR __ieee754_log(x) VAL [__ieee754_log(x)=6442450951, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450965, zero=0] [L136] double res = __ieee754_log(x); [L139] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450951, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L127] return x != x; VAL [\old(x)=6442450951, \result=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450951, zero=0] [L139] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6442450951, two54_log=18014398509481984, x=6442450965, zero=0] [L139] COND TRUE !isnan_double(res) [L140] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6442450951, two54_log=18014398509481984, x=6442450965, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 42 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 52 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=42occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:11:19,217 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:11:19,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:11:19,226 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:11:19,226 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:11:19,227 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:11:19,228 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:11:19,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:11:19,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:11:19,231 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:11:19,231 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:11:19,231 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:11:19,232 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:11:19,233 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:11:19,234 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:11:19,234 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:11:19,235 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:11:19,236 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:11:19,237 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:11:19,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:11:19,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:11:19,240 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:11:19,241 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:11:19,242 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:11:19,242 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:11:19,242 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:11:19,243 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:11:19,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:11:19,244 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:11:19,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:11:19,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:11:19,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:11:19,246 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:11:19,246 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:11:19,246 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:11:19,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:11:19,247 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-02 03:11:19,257 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:11:19,257 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:11:19,258 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:11:19,258 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 03:11:19,259 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:11:19,259 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:11:19,259 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 03:11:19,259 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:11:19,259 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:11:19,259 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:11:19,259 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:11:19,259 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:11:19,259 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:11:19,260 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:11:19,260 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 03:11:19,260 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 03:11:19,260 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:11:19,260 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:11:19,260 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:11:19,260 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:11:19,260 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:11:19,260 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 03:11:19,261 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:11:19,261 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 03:11:19,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:11:19,261 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:11:19,261 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:11:19,261 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:11:19,261 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 03:11:19,261 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:11:19,261 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 03:11:19,261 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 03:11:19,261 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_a80fd325-241f-4a2e-b753-47e0c2d6fa15/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 -> 183c064a530646119ada233c15fa830a0c2bc1a1 [2018-12-02 03:11:19,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:11:19,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:11:19,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:11:19,294 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:11:19,294 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:11:19,295 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-12-02 03:11:19,329 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/data/74c0bcad0/e9196f9e42a04bfc92deede80d4a8566/FLAG9b5efcb31 [2018-12-02 03:11:19,752 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:11:19,752 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-12-02 03:11:19,756 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/data/74c0bcad0/e9196f9e42a04bfc92deede80d4a8566/FLAG9b5efcb31 [2018-12-02 03:11:19,764 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/data/74c0bcad0/e9196f9e42a04bfc92deede80d4a8566 [2018-12-02 03:11:19,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:11:19,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:11:19,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:11:19,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:11:19,769 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:11:19,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:11:19" (1/1) ... [2018-12-02 03:11:19,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdf94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19, skipping insertion in model container [2018-12-02 03:11:19,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:11:19" (1/1) ... [2018-12-02 03:11:19,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:11:19,791 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:11:19,911 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:11:19,914 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:11:19,943 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:11:19,964 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:11:19,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19 WrapperNode [2018-12-02 03:11:19,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:11:19,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:11:19,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:11:19,965 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:11:19,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19" (1/1) ... [2018-12-02 03:11:19,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19" (1/1) ... [2018-12-02 03:11:19,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:11:19,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:11:19,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:11:19,984 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:11:20,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19" (1/1) ... [2018-12-02 03:11:20,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19" (1/1) ... [2018-12-02 03:11:20,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19" (1/1) ... [2018-12-02 03:11:20,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19" (1/1) ... [2018-12-02 03:11:20,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19" (1/1) ... [2018-12-02 03:11:20,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19" (1/1) ... [2018-12-02 03:11:20,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19" (1/1) ... [2018-12-02 03:11:20,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:11:20,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:11:20,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:11:20,042 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:11:20,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:11:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 03:11:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 03:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 03:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-02 03:11:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-02 03:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 03:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 03:11:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 03:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 03:11:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 03:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 03:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:11:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:11:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 03:11:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 03:11:24,350 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 03:11:41,477 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 03:11:41,542 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 03:11:41,638 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:11:41,638 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-02 03:11:41,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:11:41 BoogieIcfgContainer [2018-12-02 03:11:41,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:11:41,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 03:11:41,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 03:11:41,641 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 03:11:41,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:11:19" (1/3) ... [2018-12-02 03:11:41,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b22f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:11:41, skipping insertion in model container [2018-12-02 03:11:41,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:19" (2/3) ... [2018-12-02 03:11:41,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b22f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:11:41, skipping insertion in model container [2018-12-02 03:11:41,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:11:41" (3/3) ... [2018-12-02 03:11:41,643 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0921_true-unreach-call.c [2018-12-02 03:11:41,648 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 03:11:41,652 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 03:11:41,660 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 03:11:41,676 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 03:11:41,677 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 03:11:41,677 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 03:11:41,677 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 03:11:41,677 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 03:11:41,677 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 03:11:41,677 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 03:11:41,677 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 03:11:41,677 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 03:11:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-12-02 03:11:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 03:11:41,689 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:11:41,690 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:11:41,691 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:11:41,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:11:41,694 INFO L82 PathProgramCache]: Analyzing trace with hash 2044717819, now seen corresponding path program 1 times [2018-12-02 03:11:41,696 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 03:11:41,697 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 03:11:41,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:11:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:11:42,397 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:11:42,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:11:42,411 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:11:42,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:11:42,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 03:11:42,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 03:11:42,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 03:11:42,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 03:11:42,448 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-12-02 03:11:42,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:11:42,460 INFO L93 Difference]: Finished difference Result 74 states and 108 transitions. [2018-12-02 03:11:42,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 03:11:42,461 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-02 03:11:42,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:11:42,467 INFO L225 Difference]: With dead ends: 74 [2018-12-02 03:11:42,467 INFO L226 Difference]: Without dead ends: 37 [2018-12-02 03:11:42,469 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 03:11:42,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-02 03:11:42,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-02 03:11:42,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-02 03:11:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2018-12-02 03:11:42,491 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 21 [2018-12-02 03:11:42,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:11:42,491 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2018-12-02 03:11:42,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 03:11:42,491 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2018-12-02 03:11:42,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 03:11:42,492 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:11:42,492 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:11:42,492 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:11:42,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:11:42,493 INFO L82 PathProgramCache]: Analyzing trace with hash -692382008, now seen corresponding path program 1 times [2018-12-02 03:11:42,493 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 03:11:42,493 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-02 03:11:42,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:11:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:11:43,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:11:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:11:43,268 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:11:43,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:11:43,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 03:11:43,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 03:11:43,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 03:11:43,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 03:11:43,285 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 6 states. [2018-12-02 03:11:52,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:11:52,533 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2018-12-02 03:11:52,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 03:11:52,534 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-02 03:11:52,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:11:52,536 INFO L225 Difference]: With dead ends: 51 [2018-12-02 03:11:52,536 INFO L226 Difference]: Without dead ends: 41 [2018-12-02 03:11:52,537 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 03:11:52,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-02 03:11:52,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2018-12-02 03:11:52,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-02 03:11:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2018-12-02 03:11:52,542 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 46 transitions. Word has length 22 [2018-12-02 03:11:52,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:11:52,542 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 46 transitions. [2018-12-02 03:11:52,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 03:11:52,542 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2018-12-02 03:11:52,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 03:11:52,543 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:11:52,543 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:11:52,543 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:11:52,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:11:52,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1795449561, now seen corresponding path program 1 times [2018-12-02 03:11:52,544 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 03:11:52,544 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-02 03:11:52,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:11:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:11:52,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:11:53,165 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-12-02 03:11:53,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:11:53,793 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:11:53,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:11:53,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 03:11:53,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 03:11:53,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 03:11:53,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:11:53,802 INFO L87 Difference]: Start difference. First operand 37 states and 46 transitions. Second operand 9 states. [2018-12-02 03:11:55,253 WARN L180 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-02 03:12:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:12:14,130 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2018-12-02 03:12:14,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 03:12:14,131 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-12-02 03:12:14,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:12:14,131 INFO L225 Difference]: With dead ends: 48 [2018-12-02 03:12:14,131 INFO L226 Difference]: Without dead ends: 41 [2018-12-02 03:12:14,132 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 03:12:14,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-02 03:12:14,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2018-12-02 03:12:14,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-02 03:12:14,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2018-12-02 03:12:14,137 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 22 [2018-12-02 03:12:14,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:12:14,137 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2018-12-02 03:12:14,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 03:12:14,137 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2018-12-02 03:12:14,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 03:12:14,138 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:12:14,138 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:12:14,138 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:12:14,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:12:14,138 INFO L82 PathProgramCache]: Analyzing trace with hash 649234454, now seen corresponding path program 1 times [2018-12-02 03:12:14,139 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 03:12:14,139 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-02 03:12:14,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:12:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:12:14,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:12:17,141 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log_#in~x| |c___ieee754_log_#in~x|) c_~zero~0) |c___ieee754_log_#res|) (= (_ +zero 11 53) c_~zero~0)) is different from true [2018-12-02 03:12:17,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:12:17,257 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:12:17,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:12:17,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 03:12:17,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 03:12:17,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 03:12:17,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-12-02 03:12:17,279 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand 10 states. [2018-12-02 03:12:22,746 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 12 [2018-12-02 03:12:26,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:12:26,172 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2018-12-02 03:12:26,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 03:12:26,173 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-12-02 03:12:26,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:12:26,174 INFO L225 Difference]: With dead ends: 48 [2018-12-02 03:12:26,174 INFO L226 Difference]: Without dead ends: 41 [2018-12-02 03:12:26,174 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=44, Invalid=141, Unknown=1, NotChecked=24, Total=210 [2018-12-02 03:12:26,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-02 03:12:26,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2018-12-02 03:12:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-02 03:12:26,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2018-12-02 03:12:26,178 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 23 [2018-12-02 03:12:26,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:12:26,178 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2018-12-02 03:12:26,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 03:12:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2018-12-02 03:12:26,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 03:12:26,178 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:12:26,178 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:12:26,179 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:12:26,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:12:26,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1189901543, now seen corresponding path program 1 times [2018-12-02 03:12:26,179 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 03:12:26,179 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-02 03:12:26,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:12:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:12:26,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:12:26,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:12:26,547 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:12:26,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:12:26,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 03:12:26,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 03:12:26,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 03:12:26,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 03:12:26,558 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand 7 states. [2018-12-02 03:12:38,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:12:38,928 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2018-12-02 03:12:38,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 03:12:38,929 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-02 03:12:38,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:12:38,930 INFO L225 Difference]: With dead ends: 58 [2018-12-02 03:12:38,930 INFO L226 Difference]: Without dead ends: 33 [2018-12-02 03:12:38,930 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:12:38,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-02 03:12:38,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-02 03:12:38,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-02 03:12:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2018-12-02 03:12:38,935 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 26 [2018-12-02 03:12:38,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:12:38,935 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2018-12-02 03:12:38,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 03:12:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-12-02 03:12:38,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 03:12:38,936 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:12:38,936 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:12:38,937 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:12:38,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:12:38,937 INFO L82 PathProgramCache]: Analyzing trace with hash 582190639, now seen corresponding path program 1 times [2018-12-02 03:12:38,937 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 03:12:38,937 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-02 03:12:38,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:12:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:12:42,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:12:42,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:12:42,328 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:12:42,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:12:42,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 03:12:42,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 03:12:42,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 03:12:42,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 03:12:42,374 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand 7 states. [2018-12-02 03:12:48,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:12:48,395 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2018-12-02 03:12:48,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 03:12:48,396 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-02 03:12:48,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:12:48,396 INFO L225 Difference]: With dead ends: 33 [2018-12-02 03:12:48,397 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 03:12:48,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:12:48,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 03:12:48,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 03:12:48,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 03:12:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 03:12:48,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2018-12-02 03:12:48,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:12:48,398 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 03:12:48,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 03:12:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 03:12:48,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:12:48,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 03:12:48,664 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 127) the Hoare annotation is: true [2018-12-02 03:12:48,665 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 127) no Hoare annotation was computed. [2018-12-02 03:12:48,665 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 127) no Hoare annotation was computed. [2018-12-02 03:12:48,665 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 03:12:48,665 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 03:12:48,665 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 03:12:48,665 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-12-02 03:12:48,665 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-12-02 03:12:48,665 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-12-02 03:12:48,665 INFO L444 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (and (exists ((v_prenex_8 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_8))) (and (bvslt .cse0 (_ bv1048576 32)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (not (bvslt .cse0 (_ bv0 32)))))) (exists ((v_prenex_7 (_ BitVec 64))) (and (= __ieee754_log_~hx~1 ((_ extract 63 32) v_prenex_7)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))))) [2018-12-02 03:12:48,665 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-12-02 03:12:48,665 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-12-02 03:12:48,666 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-12-02 03:12:48,666 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-12-02 03:12:48,666 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-12-02 03:12:48,666 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-12-02 03:12:48,666 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-12-02 03:12:48,666 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-12-02 03:12:48,666 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 55) the Hoare annotation is: (or (= __ieee754_log_~x |__ieee754_log_#in~x|) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-02 03:12:48,666 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2018-12-02 03:12:48,666 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-12-02 03:12:48,666 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-12-02 03:12:48,666 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-12-02 03:12:48,666 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-12-02 03:12:48,667 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-12-02 03:12:48,667 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-12-02 03:12:48,667 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (exists ((v_prenex_8 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_8))) (and (bvslt .cse0 (_ bv1048576 32)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (not (bvslt .cse0 (_ bv0 32)))))) (and (= __ieee754_log_~x |__ieee754_log_#in~x|) (exists ((v_prenex_9 (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) v_prenex_9))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge .cse1 (_ bv2146435072 32))) (not (bvslt .cse1 (_ bv1048576 32)))))))) [2018-12-02 03:12:48,667 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2018-12-02 03:12:48,667 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 03:12:48,667 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero~0) [2018-12-02 03:12:48,667 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 03:12:48,667 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 03:12:48,667 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2018-12-02 03:12:48,667 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 129 145) the Hoare annotation is: true [2018-12-02 03:12:48,667 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 129 145) no Hoare annotation was computed. [2018-12-02 03:12:48,667 INFO L448 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-12-02 03:12:48,667 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) (_ +zero 11 53)) main_~res~0)))) [2018-12-02 03:12:48,668 INFO L448 ceAbstractionStarter]: For program point L139-1(lines 139 142) no Hoare annotation was computed. [2018-12-02 03:12:48,668 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 129 145) no Hoare annotation was computed. [2018-12-02 03:12:48,668 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) [2018-12-02 03:12:48,668 INFO L448 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2018-12-02 03:12:48,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,673 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,673 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,673 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,677 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,677 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,678 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,679 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,679 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,681 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,681 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,681 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,681 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,681 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,682 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,682 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,682 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,682 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,683 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,683 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,683 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,683 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,683 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:12:48 BoogieIcfgContainer [2018-12-02 03:12:48,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 03:12:48,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:12:48,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:12:48,685 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:12:48,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:11:41" (3/4) ... [2018-12-02 03:12:48,688 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:12:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-02 03:12:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 03:12:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-12-02 03:12:48,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 03:12:48,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2018-12-02 03:12:48,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-02 03:12:48,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 03:12:48,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 03:12:48,713 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) [2018-12-02 03:12:48,714 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero) || ((\exists v_prenex_8 : bv64 :: (~bvslt32(v_prenex_8[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0])) && !~bvslt32(v_prenex_8[63:32], 0bv32)) && (\exists v_prenex_7 : bv64 :: hx == v_prenex_7[63:32] && \old(x) == ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]))) [2018-12-02 03:12:48,714 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~Pluszero~LONGDOUBLE() == zero) || (\exists v_prenex_8 : bv64 :: (~bvslt32(v_prenex_8[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0])) && !~bvslt32(v_prenex_8[63:32], 0bv32))) || (x == \old(x) && (\exists v_prenex_9 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(v_prenex_9[63:32], 2146435072bv32)) && !~bvslt32(v_prenex_9[63:32], 1048576bv32))) [2018-12-02 03:12:48,734 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a80fd325-241f-4a2e-b753-47e0c2d6fa15/bin-2019/uautomizer/witness.graphml [2018-12-02 03:12:48,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:12:48,735 INFO L168 Benchmark]: Toolchain (without parser) took 88968.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 839.1 MB in the end (delta: 105.6 MB). Peak memory consumption was 243.5 MB. Max. memory is 11.5 GB. [2018-12-02 03:12:48,736 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:12:48,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.21 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:12:48,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.82 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:12:48,736 INFO L168 Benchmark]: Boogie Preprocessor took 58.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -198.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-02 03:12:48,737 INFO L168 Benchmark]: RCFGBuilder took 21596.53 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: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2018-12-02 03:12:48,737 INFO L168 Benchmark]: TraceAbstraction took 67045.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 839.1 MB in the end (delta: 246.7 MB). Peak memory consumption was 246.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:12:48,737 INFO L168 Benchmark]: Witness Printer took 49.23 ms. Allocated memory is still 1.2 GB. Free memory is still 839.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:12:48,738 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 197.21 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.82 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -198.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 21596.53 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: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 67045.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 839.1 MB in the end (delta: 246.7 MB). Peak memory consumption was 246.7 MB. Max. memory is 11.5 GB. * Witness Printer took 49.23 ms. Allocated memory is still 1.2 GB. Free memory is still 839.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 76]: Loop Invariant [2018-12-02 03:12:48,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 03:12:48,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] Derived loop invariant: (!(~Pluszero~LONGDOUBLE() == zero) || (\exists v_prenex_8 : bv64 :: (~bvslt32(v_prenex_8[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0])) && !~bvslt32(v_prenex_8[63:32], 0bv32))) || (x == \old(x) && (\exists v_prenex_9 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(v_prenex_9[63:32], 2146435072bv32)) && !~bvslt32(v_prenex_9[63:32], 1048576bv32))) - InvariantResult [Line: 65]: Loop Invariant [2018-12-02 03:12:48,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-02 03:12:48,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-02 03:12:48,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero) || ((\exists v_prenex_8 : bv64 :: (~bvslt32(v_prenex_8[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0])) && !~bvslt32(v_prenex_8[63:32], 0bv32)) && (\exists v_prenex_7 : bv64 :: hx == v_prenex_7[63:32] && \old(x) == ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. SAFE Result, 66.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 56.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 245 SDtfs, 116 SDslu, 874 SDs, 0 SdLazy, 275 SolverSat, 20 SolverUnsat, 14 SolverUnknown, 0 SolverNotchecked, 47.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 16 PreInvPairs, 22 NumberOfFragments, 145 HoareAnnotationTreeSize, 16 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 76 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 136 ConstructedInterpolants, 28 QuantifiedInterpolants, 20744 SizeOfPredicates, 18 NumberOfNonLiveVariables, 599 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...