./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0730a_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_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/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 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 ............................................................................................................................................................................................................................................................................................................................. 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_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/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 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 15:01:04,430 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:01:04,431 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:01:04,438 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:01:04,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:01:04,438 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:01:04,439 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:01:04,440 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:01:04,441 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:01:04,441 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:01:04,441 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:01:04,442 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:01:04,442 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:01:04,443 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:01:04,443 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:01:04,443 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:01:04,444 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:01:04,445 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:01:04,446 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:01:04,447 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:01:04,447 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:01:04,448 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:01:04,449 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:01:04,449 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:01:04,449 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:01:04,450 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:01:04,450 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:01:04,451 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:01:04,451 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:01:04,452 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:01:04,452 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:01:04,452 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:01:04,452 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:01:04,453 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:01:04,453 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:01:04,453 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:01:04,454 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 15:01:04,461 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:01:04,461 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:01:04,461 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:01:04,462 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 15:01:04,462 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:01:04,462 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:01:04,462 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 15:01:04,462 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:01:04,462 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:01:04,463 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:01:04,463 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:01:04,463 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:01:04,463 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:01:04,463 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:01:04,463 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:01:04,463 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:01:04,463 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:01:04,464 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:01:04,464 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:01:04,464 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:01:04,464 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 15:01:04,464 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:01:04,464 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 15:01:04,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 15:01:04,465 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:01:04,465 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:01:04,465 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:01:04,465 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 15:01:04,465 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:01:04,465 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:01:04,465 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_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/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 -> 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 [2018-12-01 15:01:04,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:01:04,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:01:04,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:01:04,492 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:01:04,492 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:01:04,493 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-12-01 15:01:04,529 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/data/713f26c42/62a0743a29fe4cb8b8e54ddf82f64516/FLAG52e3fadf7 [2018-12-01 15:01:04,835 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:01:04,836 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/sv-benchmarks/c/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-12-01 15:01:04,840 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/data/713f26c42/62a0743a29fe4cb8b8e54ddf82f64516/FLAG52e3fadf7 [2018-12-01 15:01:05,252 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/data/713f26c42/62a0743a29fe4cb8b8e54ddf82f64516 [2018-12-01 15:01:05,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:01:05,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:01:05,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:01:05,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:01:05,258 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:01:05,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:01:05" (1/1) ... [2018-12-01 15:01:05,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402e4aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05, skipping insertion in model container [2018-12-01 15:01:05,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:01:05" (1/1) ... [2018-12-01 15:01:05,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:01:05,275 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:01:05,378 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:01:05,380 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:01:05,404 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:01:05,416 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:01:05,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05 WrapperNode [2018-12-01 15:01:05,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:01:05,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:01:05,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:01:05,417 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:01:05,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05" (1/1) ... [2018-12-01 15:01:05,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05" (1/1) ... [2018-12-01 15:01:05,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:01:05,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:01:05,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:01:05,464 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:01:05,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05" (1/1) ... [2018-12-01 15:01:05,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05" (1/1) ... [2018-12-01 15:01:05,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05" (1/1) ... [2018-12-01 15:01:05,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05" (1/1) ... [2018-12-01 15:01:05,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05" (1/1) ... [2018-12-01 15:01:05,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05" (1/1) ... [2018-12-01 15:01:05,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05" (1/1) ... [2018-12-01 15:01:05,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:01:05,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:01:05,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:01:05,487 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:01:05,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 15:01:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-01 15:01:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-01 15:01:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 15:01:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 15:01:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-01 15:01:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 15:01:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-01 15:01:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-01 15:01:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 15:01:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 15:01:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-01 15:01:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:01:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:01:05,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:01:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 15:01:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 15:01:05,742 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:01:05,742 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-01 15:01:05,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:01:05 BoogieIcfgContainer [2018-12-01 15:01:05,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:01:05,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 15:01:05,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 15:01:05,745 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 15:01:05,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:01:05" (1/3) ... [2018-12-01 15:01:05,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0ff24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:01:05, skipping insertion in model container [2018-12-01 15:01:05,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:05" (2/3) ... [2018-12-01 15:01:05,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0ff24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:01:05, skipping insertion in model container [2018-12-01 15:01:05,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:01:05" (3/3) ... [2018-12-01 15:01:05,747 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a_true-unreach-call.c [2018-12-01 15:01:05,753 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 15:01:05,758 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 15:01:05,767 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 15:01:05,785 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 15:01:05,785 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 15:01:05,785 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 15:01:05,785 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 15:01:05,785 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 15:01:05,785 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 15:01:05,785 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 15:01:05,785 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 15:01:05,786 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 15:01:05,796 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-12-01 15:01:05,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 15:01:05,800 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:01:05,800 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:01:05,802 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:01:05,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:01:05,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1907649109, now seen corresponding path program 1 times [2018-12-01 15:01:05,806 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:01:05,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:01:05,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:01:05,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:01:05,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:01:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:01:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:01:05,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:01:05,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 15:01:05,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 15:01:05,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 15:01:05,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 15:01:05,901 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2018-12-01 15:01:05,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:01:05,916 INFO L93 Difference]: Finished difference Result 122 states and 183 transitions. [2018-12-01 15:01:05,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 15:01:05,917 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-01 15:01:05,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:01:05,922 INFO L225 Difference]: With dead ends: 122 [2018-12-01 15:01:05,922 INFO L226 Difference]: Without dead ends: 61 [2018-12-01 15:01:05,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 15:01:05,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-01 15:01:05,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-12-01 15:01:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-01 15:01:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2018-12-01 15:01:05,947 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 22 [2018-12-01 15:01:05,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:01:05,947 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2018-12-01 15:01:05,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 15:01:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-12-01 15:01:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 15:01:05,948 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:01:05,948 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] [2018-12-01 15:01:05,948 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:01:05,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:01:05,948 INFO L82 PathProgramCache]: Analyzing trace with hash -213203193, now seen corresponding path program 1 times [2018-12-01 15:01:05,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:01:05,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:01:05,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:01:05,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:01:05,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:01:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:01:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:01:06,021 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 15:01:06,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:01:06 BoogieIcfgContainer [2018-12-01 15:01:06,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 15:01:06,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:01:06,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:01:06,040 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:01:06,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:01:05" (3/4) ... [2018-12-01 15:01:06,043 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 15:01:06,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:01:06,043 INFO L168 Benchmark]: Toolchain (without parser) took 789.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -69.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:01:06,044 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:01:06,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.42 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 939.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:01:06,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-01 15:01:06,045 INFO L168 Benchmark]: Boogie Preprocessor took 22.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:01:06,046 INFO L168 Benchmark]: RCFGBuilder took 256.06 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:01:06,046 INFO L168 Benchmark]: TraceAbstraction took 297.21 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-01 15:01:06,046 INFO L168 Benchmark]: Witness Printer took 2.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:01:06,048 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.42 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 939.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 256.06 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 297.21 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.73 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: 160]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 142, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 141. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=6442450951, \old(tiny_sqrt)=6442450956, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L155] double x = 1.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L156] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=6442450952, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] double z; [L24] __int32_t sign = 0x80000000; [L25] __uint32_t r, t1, s1, ix1, q1; [L26] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=6442450952, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L29] ieee_double_shape_type ew_u; [L30] ew_u.value = (x) [L31] EXPR ew_u.parts.msw [L31] (ix0) = ew_u.parts.msw [L32] EXPR ew_u.parts.lsw [L32] (ix1) = ew_u.parts.lsw [L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L36] return x * x + x; VAL [\old(x)=6442450952, ix0=2147483647, ix1=6442450958, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L156] RET, EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L156] double res = __ieee754_sqrt(x); [L159] CALL, EXPR isinf_double(res) VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L134] __int32_t hx, lx; VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L136] ieee_double_shape_type ew_u; [L137] ew_u.value = (x) [L138] EXPR ew_u.parts.msw [L138] (hx) = ew_u.parts.msw [L139] EXPR ew_u.parts.lsw [L139] (lx) = ew_u.parts.lsw [L141] hx &= 0x7fffffff [L142] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L143] hx = 0x7ff00000 - hx [L144] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=6442450949, \result=0, hx=2146435073, lx=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L159] RET, EXPR isinf_double(res) VAL [isinf_double(res)=0, one_sqrt=1, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L159] COND TRUE !isinf_double(res) [L160] __VERIFIER_error() VAL [one_sqrt=1, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 65 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 84 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=65occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 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 [2018-12-01 15:01:07,317 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:01:07,318 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:01:07,324 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:01:07,324 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:01:07,325 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:01:07,325 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:01:07,326 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:01:07,327 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:01:07,327 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:01:07,327 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:01:07,328 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:01:07,328 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:01:07,328 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:01:07,329 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:01:07,329 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:01:07,330 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:01:07,331 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:01:07,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:01:07,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:01:07,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:01:07,333 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:01:07,335 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:01:07,335 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:01:07,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:01:07,335 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:01:07,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:01:07,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:01:07,336 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:01:07,337 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:01:07,337 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:01:07,337 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:01:07,338 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:01:07,338 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:01:07,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:01:07,339 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:01:07,339 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-01 15:01:07,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:01:07,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:01:07,346 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:01:07,347 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 15:01:07,347 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:01:07,347 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:01:07,347 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 15:01:07,347 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:01:07,347 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:01:07,347 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:01:07,347 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:01:07,348 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:01:07,348 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:01:07,348 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:01:07,348 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 15:01:07,348 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 15:01:07,348 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:01:07,348 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:01:07,348 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:01:07,348 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:01:07,348 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:01:07,348 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 15:01:07,349 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:01:07,349 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 15:01:07,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 15:01:07,349 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:01:07,349 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:01:07,349 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:01:07,349 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 15:01:07,349 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:01:07,349 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 15:01:07,349 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 15:01:07,350 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_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/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 -> 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 [2018-12-01 15:01:07,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:01:07,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:01:07,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:01:07,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:01:07,377 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:01:07,377 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-12-01 15:01:07,412 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/data/0c70f4275/e20129bf024746a487774d4f8549f961/FLAG3476201fb [2018-12-01 15:01:07,806 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:01:07,806 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/sv-benchmarks/c/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-12-01 15:01:07,810 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/data/0c70f4275/e20129bf024746a487774d4f8549f961/FLAG3476201fb [2018-12-01 15:01:07,820 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/data/0c70f4275/e20129bf024746a487774d4f8549f961 [2018-12-01 15:01:07,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:01:07,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:01:07,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:01:07,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:01:07,826 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:01:07,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:01:07" (1/1) ... [2018-12-01 15:01:07,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32799baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:07, skipping insertion in model container [2018-12-01 15:01:07,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:01:07" (1/1) ... [2018-12-01 15:01:07,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:01:07,851 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:01:07,969 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:01:07,972 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:01:08,000 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:01:08,016 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:01:08,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:08 WrapperNode [2018-12-01 15:01:08,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:01:08,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:01:08,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:01:08,017 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:01:08,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:08" (1/1) ... [2018-12-01 15:01:08,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:08" (1/1) ... [2018-12-01 15:01:08,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:01:08,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:01:08,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:01:08,033 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:01:08,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:08" (1/1) ... [2018-12-01 15:01:08,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:08" (1/1) ... [2018-12-01 15:01:08,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:08" (1/1) ... [2018-12-01 15:01:08,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:08" (1/1) ... [2018-12-01 15:01:08,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:08" (1/1) ... [2018-12-01 15:01:08,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:08" (1/1) ... [2018-12-01 15:01:08,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:08" (1/1) ... [2018-12-01 15:01:08,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:01:08,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:01:08,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:01:08,087 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:01:08,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 15:01:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-01 15:01:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-01 15:01:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-01 15:01:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-01 15:01:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 15:01:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 15:01:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-01 15:01:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-01 15:01:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 15:01:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 15:01:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:01:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 15:01:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:01:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:01:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 15:01:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 15:01:08,522 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 15:01:10,020 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 15:01:10,033 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:01:10,033 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-01 15:01:10,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:01:10 BoogieIcfgContainer [2018-12-01 15:01:10,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:01:10,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 15:01:10,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 15:01:10,035 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 15:01:10,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:01:07" (1/3) ... [2018-12-01 15:01:10,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542e509f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:01:10, skipping insertion in model container [2018-12-01 15:01:10,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:01:08" (2/3) ... [2018-12-01 15:01:10,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542e509f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:01:10, skipping insertion in model container [2018-12-01 15:01:10,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:01:10" (3/3) ... [2018-12-01 15:01:10,037 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a_true-unreach-call.c [2018-12-01 15:01:10,043 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 15:01:10,048 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 15:01:10,057 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 15:01:10,074 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 15:01:10,075 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 15:01:10,075 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 15:01:10,075 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 15:01:10,075 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 15:01:10,075 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 15:01:10,075 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 15:01:10,075 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 15:01:10,075 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 15:01:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-12-01 15:01:10,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 15:01:10,089 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:01:10,089 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] [2018-12-01 15:01:10,091 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:01:10,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:01:10,094 INFO L82 PathProgramCache]: Analyzing trace with hash 319424566, now seen corresponding path program 1 times [2018-12-01 15:01:10,096 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 15:01:10,097 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-01 15:01:10,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:01:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:01:10,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:01:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:01:10,405 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:01:10,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:01:10,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 15:01:10,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 15:01:10,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 15:01:10,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 15:01:10,427 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states. [2018-12-01 15:01:10,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:01:10,445 INFO L93 Difference]: Finished difference Result 120 states and 181 transitions. [2018-12-01 15:01:10,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 15:01:10,446 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-01 15:01:10,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:01:10,452 INFO L225 Difference]: With dead ends: 120 [2018-12-01 15:01:10,453 INFO L226 Difference]: Without dead ends: 60 [2018-12-01 15:01:10,455 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 [2018-12-01 15:01:10,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-01 15:01:10,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-01 15:01:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-01 15:01:10,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 79 transitions. [2018-12-01 15:01:10,480 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 79 transitions. Word has length 21 [2018-12-01 15:01:10,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:01:10,481 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 79 transitions. [2018-12-01 15:01:10,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 15:01:10,481 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2018-12-01 15:01:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 15:01:10,482 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:01:10,482 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] [2018-12-01 15:01:10,482 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:01:10,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:01:10,483 INFO L82 PathProgramCache]: Analyzing trace with hash -2042217984, now seen corresponding path program 1 times [2018-12-01 15:01:10,484 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 15:01:10,484 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-01 15:01:10,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:01:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:01:10,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:01:17,886 WARN L180 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 6 [2018-12-01 15:01:23,529 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 15:01:23,530 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 15:01:23,531 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 15:01:23,532 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 15:01:23,536 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 76 [2018-12-01 15:01:23,564 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2018-12-01 15:01:23,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:01:23,604 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-12-01 15:01:23,604 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 15:01:23,628 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-12-01 15:01:23,635 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 5 [2018-12-01 15:01:23,635 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-01 15:01:23,640 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:01:23,649 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:01:23,667 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-01 15:01:23,668 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:64, output treesize:28 [2018-12-01 15:01:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:01:27,577 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:01:27,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:01:27,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-01 15:01:27,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 15:01:27,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 15:01:27,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-01 15:01:27,591 INFO L87 Difference]: Start difference. First operand 60 states and 79 transitions. Second operand 11 states. [2018-12-01 15:01:43,061 WARN L180 SmtUtils]: Spent 4.25 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-01 15:02:02,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:02:02,045 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2018-12-01 15:02:02,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 15:02:02,046 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2018-12-01 15:02:02,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:02:02,047 INFO L225 Difference]: With dead ends: 67 [2018-12-01 15:02:02,047 INFO L226 Difference]: Without dead ends: 60 [2018-12-01 15:02:02,048 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 32.3s TimeCoverageRelationStatistics Valid=45, Invalid=225, Unknown=2, NotChecked=0, Total=272 [2018-12-01 15:02:02,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-01 15:02:02,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-01 15:02:02,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-01 15:02:02,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 78 transitions. [2018-12-01 15:02:02,054 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 78 transitions. Word has length 23 [2018-12-01 15:02:02,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:02:02,054 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 78 transitions. [2018-12-01 15:02:02,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 15:02:02,054 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2018-12-01 15:02:02,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 15:02:02,055 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:02:02,055 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] [2018-12-01 15:02:02,055 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:02:02,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:02:02,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1143433436, now seen corresponding path program 1 times [2018-12-01 15:02:02,056 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 15:02:02,056 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-01 15:02:02,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:02:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:02,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:02:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:02:02,173 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:02:02,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:02:02,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 15:02:02,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 15:02:02,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 15:02:02,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 15:02:02,186 INFO L87 Difference]: Start difference. First operand 60 states and 78 transitions. Second operand 6 states. [2018-12-01 15:02:04,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:02:04,725 INFO L93 Difference]: Finished difference Result 67 states and 87 transitions. [2018-12-01 15:02:04,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 15:02:04,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-01 15:02:04,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:02:04,727 INFO L225 Difference]: With dead ends: 67 [2018-12-01 15:02:04,727 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 15:02:04,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-01 15:02:04,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 15:02:04,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 15:02:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 15:02:04,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 15:02:04,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-01 15:02:04,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:02:04,729 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 15:02:04,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 15:02:04,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 15:02:04,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 15:02:04,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 15:02:04,901 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 22 130) the Hoare annotation is: true [2018-12-01 15:02:04,901 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2018-12-01 15:02:04,901 INFO L448 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2018-12-01 15:02:04,901 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 22 130) no Hoare annotation was computed. [2018-12-01 15:02:04,901 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 101) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) (_ bv2148532224 32)) (_ bv0 32))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-12-01 15:02:04,901 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2018-12-01 15:02:04,901 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2018-12-01 15:02:04,901 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2018-12-01 15:02:04,901 INFO L448 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2018-12-01 15:02:04,902 INFO L448 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2018-12-01 15:02:04,902 INFO L444 ceAbstractionStarter]: At program point L28-2(lines 28 33) the Hoare annotation is: (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) [2018-12-01 15:02:04,902 INFO L448 ceAbstractionStarter]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2018-12-01 15:02:04,902 INFO L448 ceAbstractionStarter]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2018-12-01 15:02:04,902 INFO L444 ceAbstractionStarter]: At program point L53-3(lines 53 54) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) (_ bv2148532224 32)) (_ bv0 32))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-12-01 15:02:04,902 INFO L448 ceAbstractionStarter]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2018-12-01 15:02:04,902 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-12-01 15:02:04,902 INFO L448 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2018-12-01 15:02:04,902 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2018-12-01 15:02:04,902 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-12-01 15:02:04,902 INFO L448 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2018-12-01 15:02:04,902 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2018-12-01 15:02:04,903 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2018-12-01 15:02:04,903 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-12-01 15:02:04,903 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2018-12-01 15:02:04,903 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2018-12-01 15:02:04,903 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2018-12-01 15:02:04,903 INFO L444 ceAbstractionStarter]: At program point L72-2(lines 72 82) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) (_ bv2148532224 32)) (_ bv0 32))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-12-01 15:02:04,903 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2018-12-01 15:02:04,903 INFO L448 ceAbstractionStarter]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2018-12-01 15:02:04,904 INFO L444 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) (_ bv2148532224 32)) (_ bv0 32))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-12-01 15:02:04,904 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-12-01 15:02:04,904 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2018-12-01 15:02:04,904 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 22 130) no Hoare annotation was computed. [2018-12-01 15:02:04,904 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-12-01 15:02:04,904 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-12-01 15:02:04,904 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) (_ bv2148532224 32)) (_ bv0 32))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-12-01 15:02:04,905 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-12-01 15:02:04,905 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-12-01 15:02:04,905 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2018-12-01 15:02:04,905 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2018-12-01 15:02:04,905 INFO L448 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2018-12-01 15:02:04,905 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-01 15:02:04,905 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 15:02:04,905 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-01 15:02:04,905 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 15:02:04,906 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 133 145) no Hoare annotation was computed. [2018-12-01 15:02:04,906 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 133 145) no Hoare annotation was computed. [2018-12-01 15:02:04,906 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 133 145) the Hoare annotation is: true [2018-12-01 15:02:04,906 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 135 140) no Hoare annotation was computed. [2018-12-01 15:02:04,906 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 135 140) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-12-01 15:02:04,906 INFO L448 ceAbstractionStarter]: For program point L135-3(lines 135 140) no Hoare annotation was computed. [2018-12-01 15:02:04,906 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 15:02:04,906 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-01 15:02:04,906 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 15:02:04,906 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 15:02:04,907 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-01 15:02:04,907 INFO L444 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) main_~res~0) (= main_~x~0 .cse0))) [2018-12-01 15:02:04,907 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 159 162) no Hoare annotation was computed. [2018-12-01 15:02:04,907 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 147 165) the Hoare annotation is: true [2018-12-01 15:02:04,907 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 147 165) no Hoare annotation was computed. [2018-12-01 15:02:04,907 INFO L444 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-12-01 15:02:04,907 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2018-12-01 15:02:04,908 INFO L448 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-12-01 15:02:04,908 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 147 165) no Hoare annotation was computed. [2018-12-01 15:02:04,915 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,917 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,917 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,917 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,918 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,918 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,918 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,918 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,919 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,919 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,919 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,919 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,921 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,921 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,921 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,921 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,922 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,922 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,922 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,922 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,922 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,922 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,923 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,923 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,923 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,923 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,923 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,924 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,924 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,924 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,924 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,925 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:02:04 BoogieIcfgContainer [2018-12-01 15:02:04,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 15:02:04,927 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:02:04,927 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:02:04,927 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:02:04,928 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:01:10" (3/4) ... [2018-12-01 15:02:04,930 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 15:02:04,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-01 15:02:04,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 15:02:04,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-12-01 15:02:04,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 15:02:04,938 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2018-12-01 15:02:04,938 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-01 15:02:04,939 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 15:02:04,957 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-01 15:02:04,957 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-01 15:02:04,957 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) [2018-12-01 15:02:04,957 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) [2018-12-01 15:02:04,957 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) [2018-12-01 15:02:04,958 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) [2018-12-01 15:02:04,958 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) [2018-12-01 15:02:04,980 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ebc1bc29-9362-4a80-82e0-15dcce5f5f4d/bin-2019/uautomizer/witness.graphml [2018-12-01 15:02:04,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:02:04,980 INFO L168 Benchmark]: Toolchain (without parser) took 57157.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 943.4 MB in the beginning and 916.1 MB in the end (delta: 27.3 MB). Peak memory consumption was 162.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:02:04,981 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. [2018-12-01 15:02:04,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.70 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:02:04,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.83 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:02:04,981 INFO L168 Benchmark]: Boogie Preprocessor took 53.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:02:04,981 INFO L168 Benchmark]: RCFGBuilder took 1946.73 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: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:02:04,981 INFO L168 Benchmark]: TraceAbstraction took 54893.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.8 MB in the end (delta: 155.8 MB). Peak memory consumption was 155.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:02:04,982 INFO L168 Benchmark]: Witness Printer took 52.92 ms. Allocated memory is still 1.2 GB. Free memory was 922.8 MB in the beginning and 916.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-01 15:02:04,983 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 192.70 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.83 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 53.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1946.73 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: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 54893.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.8 MB in the end (delta: 155.8 MB). Peak memory consumption was 155.8 MB. Max. memory is 11.5 GB. * Witness Printer took 52.92 ms. Allocated memory is still 1.2 GB. Free memory was 922.8 MB in the beginning and 916.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: 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: 28]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 72]: Loop Invariant [2018-12-01 15:02:04,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,988 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,988 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,988 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,988 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) - InvariantResult [Line: 53]: Loop Invariant [2018-12-01 15:02:04,988 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) - InvariantResult [Line: 123]: Loop Invariant [2018-12-01 15:02:04,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) - InvariantResult [Line: 48]: Loop Invariant [2018-12-01 15:02:04,992 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,992 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,992 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,992 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,993 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,993 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,993 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,993 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) - InvariantResult [Line: 85]: Loop Invariant [2018-12-01 15:02:04,993 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,995 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-12-01 15:02:04,995 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 64 locations, 1 error locations. SAFE Result, 54.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 37.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 205 SDtfs, 198 SDslu, 650 SDs, 0 SdLazy, 150 SolverSat, 12 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 19.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 32.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 19 PreInvPairs, 29 NumberOfFragments, 173 HoareAnnotationTreeSize, 19 FomulaSimplifications, 80 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 16.8s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 11 QuantifiedInterpolants, 11586 SizeOfPredicates, 9 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...