./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/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 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b ................................................................................................................................................................................................................................................................................................................................................. 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_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/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 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:08:10,615 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:08:10,617 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:08:10,626 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:08:10,626 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:08:10,627 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:08:10,627 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:08:10,628 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:08:10,629 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:08:10,630 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:08:10,631 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:08:10,631 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:08:10,632 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:08:10,632 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:08:10,633 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:08:10,634 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:08:10,634 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:08:10,636 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:08:10,637 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:08:10,638 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:08:10,639 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:08:10,640 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:08:10,642 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:08:10,642 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:08:10,642 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:08:10,643 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:08:10,644 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:08:10,644 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:08:10,645 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:08:10,646 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:08:10,646 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:08:10,647 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:08:10,647 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:08:10,647 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:08:10,648 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:08:10,649 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:08:10,649 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 16:08:10,660 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:08:10,660 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:08:10,661 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:08:10,661 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:08:10,662 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:08:10,662 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:08:10,662 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:08:10,662 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:08:10,663 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:08:10,663 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:08:10,663 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:08:10,663 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:08:10,663 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:08:10,663 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:08:10,663 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:08:10,664 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:08:10,664 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:08:10,664 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:08:10,664 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:08:10,664 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:08:10,664 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:08:10,666 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:08:10,666 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:08:10,667 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:08:10,667 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:08:10,667 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:08:10,667 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:08:10,667 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:08:10,667 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:08:10,668 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:08:10,668 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_0fd38af6-93d2-45c5-a21a-45c61d895f12/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 -> 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b [2018-11-18 16:08:10,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:08:10,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:08:10,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:08:10,705 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:08:10,705 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:08:10,706 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-11-18 16:08:10,750 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/data/a9dbd62b8/9ee72c424c31474d871e680bdf42d6ce/FLAG6c67cecef [2018-11-18 16:08:11,155 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:08:11,156 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-11-18 16:08:11,160 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/data/a9dbd62b8/9ee72c424c31474d871e680bdf42d6ce/FLAG6c67cecef [2018-11-18 16:08:11,168 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/data/a9dbd62b8/9ee72c424c31474d871e680bdf42d6ce [2018-11-18 16:08:11,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:08:11,171 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 16:08:11,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:08:11,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:08:11,174 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:08:11,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:08:11" (1/1) ... [2018-11-18 16:08:11,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7601ec79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:11, skipping insertion in model container [2018-11-18 16:08:11,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:08:11" (1/1) ... [2018-11-18 16:08:11,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:08:11,206 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:08:11,356 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:08:11,359 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:08:11,390 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:08:11,449 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:08:11,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:11 WrapperNode [2018-11-18 16:08:11,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:08:11,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:08:11,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:08:11,451 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:08:11,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:11" (1/1) ... [2018-11-18 16:08:11,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:11" (1/1) ... [2018-11-18 16:08:11,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:11" (1/1) ... [2018-11-18 16:08:11,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:11" (1/1) ... [2018-11-18 16:08:11,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:11" (1/1) ... [2018-11-18 16:08:11,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:11" (1/1) ... [2018-11-18 16:08:11,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:11" (1/1) ... [2018-11-18 16:08:11,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:08:11,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:08:11,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:08:11,486 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:08:11,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:08:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:08:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:08:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-18 16:08:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-18 16:08:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-11-18 16:08:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 16:08:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:08:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 16:08:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 16:08:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-18 16:08:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:08:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 16:08:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 16:08:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:08:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-18 16:08:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 16:08:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 16:08:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-11-18 16:08:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 16:08:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:08:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:08:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:08:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 16:08:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 16:08:11,762 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:08:11,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:08:11 BoogieIcfgContainer [2018-11-18 16:08:11,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:08:11,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:08:11,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:08:11,766 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:08:11,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:08:11" (1/3) ... [2018-11-18 16:08:11,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da323b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:08:11, skipping insertion in model container [2018-11-18 16:08:11,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:11" (2/3) ... [2018-11-18 16:08:11,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da323b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:08:11, skipping insertion in model container [2018-11-18 16:08:11,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:08:11" (3/3) ... [2018-11-18 16:08:11,770 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920a_true-unreach-call.c [2018-11-18 16:08:11,778 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:08:11,784 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:08:11,796 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:08:11,814 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:08:11,815 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:08:11,815 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:08:11,815 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:08:11,815 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:08:11,815 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:08:11,816 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:08:11,816 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:08:11,816 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:08:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-11-18 16:08:11,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 16:08:11,836 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:08:11,837 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:08:11,839 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:08:11,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:08:11,844 INFO L82 PathProgramCache]: Analyzing trace with hash 186116814, now seen corresponding path program 1 times [2018-11-18 16:08:11,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:08:11,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:08:11,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:08:11,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:08:11,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:08:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:08:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:08:11,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:08:11,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:08:11,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:08:11,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:08:11,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:08:11,985 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 3 states. [2018-11-18 16:08:12,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:08:12,016 INFO L93 Difference]: Finished difference Result 98 states and 141 transitions. [2018-11-18 16:08:12,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:08:12,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-11-18 16:08:12,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:08:12,023 INFO L225 Difference]: With dead ends: 98 [2018-11-18 16:08:12,024 INFO L226 Difference]: Without dead ends: 48 [2018-11-18 16:08:12,026 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:08:12,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-18 16:08:12,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-11-18 16:08:12,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-18 16:08:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2018-11-18 16:08:12,050 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 24 [2018-11-18 16:08:12,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:08:12,050 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2018-11-18 16:08:12,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:08:12,050 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2018-11-18 16:08:12,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 16:08:12,051 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:08:12,052 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:08:12,052 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:08:12,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:08:12,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1185708014, now seen corresponding path program 1 times [2018-11-18 16:08:12,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:08:12,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:08:12,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:08:12,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:08:12,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:08:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:08:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:08:12,160 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 16:08:12,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:08:12 BoogieIcfgContainer [2018-11-18 16:08:12,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:08:12,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:08:12,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:08:12,193 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:08:12,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:08:11" (3/4) ... [2018-11-18 16:08:12,196 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 16:08:12,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:08:12,196 INFO L168 Benchmark]: Toolchain (without parser) took 1026.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:08:12,197 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:08:12,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -205.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:08:12,198 INFO L168 Benchmark]: Boogie Preprocessor took 34.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:08:12,198 INFO L168 Benchmark]: RCFGBuilder took 277.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:08:12,199 INFO L168 Benchmark]: TraceAbstraction took 430.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:08:12,199 INFO L168 Benchmark]: Witness Printer took 2.88 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:08:12,202 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -205.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 277.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 430.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.88 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 154]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 59, overapproximation of bitwiseAnd at line 133, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 137. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=6442450964, \old(Lg2_log)=6442450966, \old(Lg3_log)=6442450948, \old(Lg4_log)=6442450951, \old(Lg5_log)=6442450955, \old(Lg6_log)=6442450961, \old(Lg7_log)=6442450959, \old(ln2_hi_log)=6442450950, \old(ln2_lo_log)=6442450957, \old(two54_log)=6442450962, \old(zero)=6442450965, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L146] double x = __VERIFIER_nondet_double(); [L148] EXPR x < 0 && isfinite_double(x) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450953, x < 0 && isfinite_double(x)=1, zero=0] [L148] CALL, EXPR isfinite_double(x) VAL [\old(x)=6442450953, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L127] __int32_t hx; VAL [\old(x)=6442450953, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450953, zero=0] [L129] FCALL ieee_double_shape_type gh_u; [L130] FCALL gh_u.value = (x) [L131] EXPR, FCALL gh_u.parts.msw [L131] (hx) = gh_u.parts.msw [L132] COND FALSE !(0) VAL [\old(x)=6442450953, hx=5, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450953, zero=0] [L133] RET return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=6442450953, \result=2, hx=5, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450953, zero=0] [L148] EXPR isfinite_double(x) VAL [isfinite_double(x)=2, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450953, x < 0 && isfinite_double(x)=1, zero=0] [L148] EXPR x < 0 && isfinite_double(x) VAL [isfinite_double(x)=2, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450953, x < 0 && isfinite_double(x)=1, zero=0] [L148] COND TRUE (x < 0 && isfinite_double(x)) [L150] CALL, EXPR __ieee754_log(x) VAL [\old(x)=6442450953, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=6442450953, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450953, zero=0] [L51] FCALL ieee_double_shape_type ew_u; [L52] FCALL ew_u.value = (x) [L53] EXPR, FCALL ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR, FCALL ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L55] COND FALSE !(0) VAL [\old(x)=6442450953, hx=-2147483646, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483658, two54_log=18014398509481984, x=6442450953, zero=0] [L57] k = 0 VAL [\old(x)=6442450953, hx=-2147483646, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483658, two54_log=18014398509481984, x=6442450953, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [\old(x)=6442450953, hx=-2147483646, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483658, two54_log=18014398509481984, x=6442450953, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] RET return -two54_log / zero; VAL [\old(x)=6442450953, hx=-2147483646, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483658, two54_log=18014398509481984, x=6442450953, zero=0] [L150] EXPR __ieee754_log(x) VAL [__ieee754_log(x)=6442450952, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450953, zero=0] [L150] double res = __ieee754_log(x); [L153] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450952, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L137] RET return x != x; VAL [\old(x)=6442450952, \result=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450952, zero=0] [L153] EXPR isnan_double(res) VAL [isnan_double(res)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6442450952, two54_log=18014398509481984, x=6442450953, zero=0] [L153] COND TRUE !isnan_double(res) [L154] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6442450952, two54_log=18014398509481984, x=6442450953, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 59 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 64 SDtfs, 0 SDslu, 59 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 552 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 16:08:13,700 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:08:13,702 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:08:13,710 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:08:13,710 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:08:13,711 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:08:13,712 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:08:13,713 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:08:13,714 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:08:13,715 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:08:13,716 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:08:13,716 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:08:13,716 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:08:13,717 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:08:13,718 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:08:13,719 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:08:13,719 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:08:13,720 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:08:13,722 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:08:13,723 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:08:13,723 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:08:13,724 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:08:13,726 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:08:13,726 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:08:13,726 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:08:13,727 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:08:13,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:08:13,728 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:08:13,729 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:08:13,729 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:08:13,730 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:08:13,730 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:08:13,730 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:08:13,730 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:08:13,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:08:13,732 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:08:13,732 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 16:08:13,742 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:08:13,743 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:08:13,743 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:08:13,743 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:08:13,744 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:08:13,744 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:08:13,744 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:08:13,744 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:08:13,745 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:08:13,745 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:08:13,745 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:08:13,745 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:08:13,745 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:08:13,745 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:08:13,745 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 16:08:13,745 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 16:08:13,745 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:08:13,746 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:08:13,746 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:08:13,746 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:08:13,746 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:08:13,746 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:08:13,746 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:08:13,746 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:08:13,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:08:13,747 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:08:13,747 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:08:13,747 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:08:13,747 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 16:08:13,747 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:08:13,747 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 16:08:13,747 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 16:08:13,747 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_0fd38af6-93d2-45c5-a21a-45c61d895f12/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 -> 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b [2018-11-18 16:08:13,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:08:13,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:08:13,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:08:13,792 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:08:13,792 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:08:13,793 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-11-18 16:08:13,838 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/data/44f99bcaf/72824506939e4f458499ddda21aef28d/FLAG1cdd0b0a5 [2018-11-18 16:08:14,170 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:08:14,171 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-11-18 16:08:14,175 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/data/44f99bcaf/72824506939e4f458499ddda21aef28d/FLAG1cdd0b0a5 [2018-11-18 16:08:14,184 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/data/44f99bcaf/72824506939e4f458499ddda21aef28d [2018-11-18 16:08:14,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:08:14,187 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 16:08:14,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:08:14,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:08:14,191 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:08:14,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:08:14" (1/1) ... [2018-11-18 16:08:14,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd0158d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:14, skipping insertion in model container [2018-11-18 16:08:14,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:08:14" (1/1) ... [2018-11-18 16:08:14,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:08:14,223 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:08:14,373 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:08:14,377 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:08:14,409 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:08:14,428 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:08:14,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:14 WrapperNode [2018-11-18 16:08:14,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:08:14,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:08:14,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:08:14,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:08:14,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:14" (1/1) ... [2018-11-18 16:08:14,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:14" (1/1) ... [2018-11-18 16:08:14,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:14" (1/1) ... [2018-11-18 16:08:14,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:14" (1/1) ... [2018-11-18 16:08:14,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:14" (1/1) ... [2018-11-18 16:08:14,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:14" (1/1) ... [2018-11-18 16:08:14,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:14" (1/1) ... [2018-11-18 16:08:14,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:08:14,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:08:14,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:08:14,508 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:08:14,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:08:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:08:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:08:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-18 16:08:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-18 16:08:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-11-18 16:08:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 16:08:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:08:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 16:08:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 16:08:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-18 16:08:14,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:08:14,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 16:08:14,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 16:08:14,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:08:14,544 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-18 16:08:14,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 16:08:14,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 16:08:14,544 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-11-18 16:08:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 16:08:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:08:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:08:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:08:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 16:08:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 16:08:14,655 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:08:14,694 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:08:14,847 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:08:39,045 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:08:39,160 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:08:39,205 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:08:39,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:08:39 BoogieIcfgContainer [2018-11-18 16:08:39,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:08:39,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:08:39,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:08:39,209 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:08:39,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:08:14" (1/3) ... [2018-11-18 16:08:39,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520da67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:08:39, skipping insertion in model container [2018-11-18 16:08:39,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:08:14" (2/3) ... [2018-11-18 16:08:39,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520da67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:08:39, skipping insertion in model container [2018-11-18 16:08:39,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:08:39" (3/3) ... [2018-11-18 16:08:39,212 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920a_true-unreach-call.c [2018-11-18 16:08:39,220 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:08:39,224 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:08:39,233 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:08:39,252 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:08:39,252 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:08:39,253 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:08:39,253 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:08:39,253 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:08:39,253 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:08:39,253 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:08:39,253 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:08:39,253 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:08:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-11-18 16:08:39,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 16:08:39,267 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:08:39,267 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:08:39,268 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:08:39,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:08:39,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1022109443, now seen corresponding path program 1 times [2018-11-18 16:08:39,274 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:08:39,275 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 16:08:39,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:08:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:08:39,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:08:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:08:40,008 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:08:40,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:08:40,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:08:40,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:08:40,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:08:40,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:08:40,036 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2018-11-18 16:08:40,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:08:40,054 INFO L93 Difference]: Finished difference Result 95 states and 137 transitions. [2018-11-18 16:08:40,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:08:40,055 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-18 16:08:40,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:08:40,062 INFO L225 Difference]: With dead ends: 95 [2018-11-18 16:08:40,062 INFO L226 Difference]: Without dead ends: 47 [2018-11-18 16:08:40,064 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:08:40,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-18 16:08:40,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-11-18 16:08:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-18 16:08:40,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2018-11-18 16:08:40,091 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 23 [2018-11-18 16:08:40,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:08:40,091 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2018-11-18 16:08:40,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:08:40,092 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2018-11-18 16:08:40,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 16:08:40,092 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:08:40,092 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:08:40,093 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:08:40,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:08:40,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1573846197, now seen corresponding path program 1 times [2018-11-18 16:08:40,093 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:08:40,093 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 16:08:40,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:08:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:08:40,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:08:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:08:40,807 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:08:40,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:08:40,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:08:40,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:08:40,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:08:40,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:08:40,823 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand 3 states. [2018-11-18 16:08:40,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:08:40,844 INFO L93 Difference]: Finished difference Result 79 states and 100 transitions. [2018-11-18 16:08:40,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:08:40,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-11-18 16:08:40,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:08:40,846 INFO L225 Difference]: With dead ends: 79 [2018-11-18 16:08:40,846 INFO L226 Difference]: Without dead ends: 47 [2018-11-18 16:08:40,847 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:08:40,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-18 16:08:40,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-11-18 16:08:40,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-18 16:08:40,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2018-11-18 16:08:40,851 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 24 [2018-11-18 16:08:40,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:08:40,851 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2018-11-18 16:08:40,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:08:40,851 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2018-11-18 16:08:40,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 16:08:40,852 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:08:40,853 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:08:40,853 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:08:40,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:08:40,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1800267615, now seen corresponding path program 1 times [2018-11-18 16:08:40,853 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:08:40,854 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 16:08:40,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:08:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:08:41,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:08:41,935 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:41,936 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:41,937 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:41,938 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:41,939 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:41,940 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:41,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 127 [2018-11-18 16:08:42,072 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2018-11-18 16:08:42,085 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:42,097 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:42,098 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:42,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 80 [2018-11-18 16:08:42,106 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 16:08:42,160 INFO L477 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 [2018-11-18 16:08:42,167 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:42,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-11-18 16:08:42,169 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 16:08:42,179 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 16:08:42,228 INFO L477 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 [2018-11-18 16:08:42,228 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 16:08:42,253 INFO L477 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 44 treesize of output 34 [2018-11-18 16:08:42,291 INFO L477 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 30 treesize of output 15 [2018-11-18 16:08:42,292 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 16:08:42,305 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 16:08:42,327 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 16:08:42,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-18 16:08:42,360 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:96, output treesize:33 [2018-11-18 16:08:42,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:08:42,478 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:08:42,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:08:42,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:08:42,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:08:42,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:08:42,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:08:42,500 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand 7 states. [2018-11-18 16:08:54,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:08:54,766 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2018-11-18 16:08:54,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:08:54,767 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-11-18 16:08:54,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:08:54,769 INFO L225 Difference]: With dead ends: 61 [2018-11-18 16:08:54,769 INFO L226 Difference]: Without dead ends: 51 [2018-11-18 16:08:54,770 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:08:54,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-11-18 16:08:54,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2018-11-18 16:08:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-18 16:08:54,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2018-11-18 16:08:54,775 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 32 [2018-11-18 16:08:54,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:08:54,775 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2018-11-18 16:08:54,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:08:54,775 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2018-11-18 16:08:54,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 16:08:54,776 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:08:54,776 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:08:54,776 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:08:54,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:08:54,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1296264802, now seen corresponding path program 1 times [2018-11-18 16:08:54,777 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:08:54,777 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 16:08:54,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:08:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:08:54,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:08:55,009 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:55,010 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:55,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-18 16:08:55,042 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:08:55,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2018-11-18 16:08:55,051 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 16:08:55,066 INFO L477 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 24 treesize of output 18 [2018-11-18 16:08:55,072 INFO L477 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 18 treesize of output 4 [2018-11-18 16:08:55,072 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 16:08:55,075 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 16:08:55,078 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 16:08:55,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 16:08:55,085 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:14 [2018-11-18 16:08:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:08:55,140 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:08:55,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:08:55,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:08:55,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:08:55,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:08:55,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:08:55,149 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand 7 states. [2018-11-18 16:09:04,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:09:04,308 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2018-11-18 16:09:04,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 16:09:04,905 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-11-18 16:09:04,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:09:04,906 INFO L225 Difference]: With dead ends: 72 [2018-11-18 16:09:04,906 INFO L226 Difference]: Without dead ends: 49 [2018-11-18 16:09:04,906 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:09:04,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-18 16:09:04,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2018-11-18 16:09:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-18 16:09:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2018-11-18 16:09:04,912 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 32 [2018-11-18 16:09:04,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:09:04,913 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2018-11-18 16:09:04,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:09:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2018-11-18 16:09:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 16:09:04,914 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:09:04,914 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:09:04,914 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:09:04,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:09:04,914 INFO L82 PathProgramCache]: Analyzing trace with hash -486099772, now seen corresponding path program 1 times [2018-11-18 16:09:04,915 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:09:04,915 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 16:09:04,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:09:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:09:05,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:09:09,788 WARN L180 SmtUtils]: Spent 3.84 s on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 16:09:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:09:10,582 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:09:10,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:09:10,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:09:10,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:09:10,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:09:10,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:09:10,596 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand 8 states. [2018-11-18 16:09:14,564 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 16:09:17,572 WARN L180 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 16:09:31,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:09:31,277 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2018-11-18 16:09:31,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:09:31,277 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-11-18 16:09:31,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:09:31,278 INFO L225 Difference]: With dead ends: 56 [2018-11-18 16:09:31,278 INFO L226 Difference]: Without dead ends: 49 [2018-11-18 16:09:31,278 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:09:31,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-18 16:09:31,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2018-11-18 16:09:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-18 16:09:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2018-11-18 16:09:31,284 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 33 [2018-11-18 16:09:31,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:09:31,284 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2018-11-18 16:09:31,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:09:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-11-18 16:09:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 16:09:31,285 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:09:31,285 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:09:31,285 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:09:31,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:09:31,285 INFO L82 PathProgramCache]: Analyzing trace with hash -713975153, now seen corresponding path program 1 times [2018-11-18 16:09:31,285 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:09:31,285 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 16:09:31,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:09:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:09:31,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:09:33,410 WARN L180 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-18 16:09:37,762 WARN L180 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 21 [2018-11-18 16:09:49,727 WARN L180 SmtUtils]: Spent 5.08 s on a formula simplification that was a NOOP. DAG size: 22 [2018-11-18 16:09:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:09:50,717 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:09:50,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:09:50,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:09:50,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:09:50,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:09:50,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:09:50,729 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand 9 states. [2018-11-18 16:10:16,594 WARN L180 SmtUtils]: Spent 5.65 s on a formula simplification that was a NOOP. DAG size: 29 [2018-11-18 16:10:39,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:39,559 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2018-11-18 16:10:39,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 16:10:39,569 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2018-11-18 16:10:39,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:39,570 INFO L225 Difference]: With dead ends: 57 [2018-11-18 16:10:39,570 INFO L226 Difference]: Without dead ends: 47 [2018-11-18 16:10:39,570 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 31.7s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:10:39,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-18 16:10:39,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-11-18 16:10:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-18 16:10:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2018-11-18 16:10:39,575 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 36 [2018-11-18 16:10:39,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:39,575 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2018-11-18 16:10:39,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:10:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2018-11-18 16:10:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 16:10:39,576 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:39,576 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:10:39,576 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:39,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:39,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1387965252, now seen corresponding path program 1 times [2018-11-18 16:10:39,577 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:10:39,577 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-18 16:10:39,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:39,921 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:10:42,022 WARN L180 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-18 16:10:43,568 WARN L180 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-11-18 16:10:47,395 WARN L180 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 16:10:49,940 WARN L180 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-11-18 16:10:55,045 WARN L180 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 29 [2018-11-18 16:10:55,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:55,082 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:10:55,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:10:55,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-18 16:10:55,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 16:10:55,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 16:10:55,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-11-18 16:10:55,093 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand 12 states. [2018-11-18 16:11:04,158 WARN L180 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 26 [2018-11-18 16:11:14,782 WARN L180 SmtUtils]: Spent 3.42 s on a formula simplification that was a NOOP. DAG size: 34 [2018-11-18 16:11:21,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:11:21,245 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-11-18 16:11:21,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 16:11:21,245 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-11-18 16:11:21,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:11:21,246 INFO L225 Difference]: With dead ends: 57 [2018-11-18 16:11:21,246 INFO L226 Difference]: Without dead ends: 47 [2018-11-18 16:11:21,247 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 23.3s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-11-18 16:11:21,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-18 16:11:21,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-11-18 16:11:21,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-18 16:11:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2018-11-18 16:11:21,251 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 42 [2018-11-18 16:11:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:11:21,251 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2018-11-18 16:11:21,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 16:11:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2018-11-18 16:11:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 16:11:21,251 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:11:21,251 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:11:21,252 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:11:21,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:11:21,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1191451747, now seen corresponding path program 1 times [2018-11-18 16:11:21,252 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:11:21,252 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-18 16:11:21,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:11:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:11:22,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:11:22,558 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:11:22,559 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 16:11:22,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-18 16:11:22,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 27 treesize of output 21 [2018-11-18 16:11:22,597 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 16:11:22,608 INFO L477 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 17 treesize of output 13 [2018-11-18 16:11:22,611 INFO L477 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 13 treesize of output 1 [2018-11-18 16:11:22,611 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 16:11:22,612 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 16:11:22,614 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 16:11:22,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 16:11:22,620 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:14 [2018-11-18 16:11:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:11:22,717 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:11:22,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:11:22,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:11:22,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:11:22,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:11:22,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:11:22,734 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 8 states. [2018-11-18 16:11:28,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:11:28,463 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2018-11-18 16:11:29,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 16:11:29,060 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2018-11-18 16:11:29,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:11:29,060 INFO L225 Difference]: With dead ends: 47 [2018-11-18 16:11:29,060 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:11:29,061 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-11-18 16:11:29,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:11:29,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:11:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:11:29,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:11:29,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2018-11-18 16:11:29,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:11:29,062 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:11:29,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:11:29,062 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:11:29,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:11:29,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:11:35,675 WARN L180 SmtUtils]: Spent 6.57 s on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2018-11-18 16:11:50,636 WARN L180 SmtUtils]: Spent 14.93 s on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-11-18 16:11:50,850 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-18 16:11:50,929 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2018-11-18 16:11:50,929 INFO L428 ceAbstractionStarter]: At program point L128-3(lines 128 132) the Hoare annotation is: true [2018-11-18 16:11:50,929 INFO L425 ceAbstractionStarter]: For program point L128-4(lines 128 132) no Hoare annotation was computed. [2018-11-18 16:11:50,929 INFO L425 ceAbstractionStarter]: For program point isfinite_doubleFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-18 16:11:50,929 INFO L425 ceAbstractionStarter]: For program point isfinite_doubleEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-18 16:11:50,929 INFO L428 ceAbstractionStarter]: At program point isfinite_doubleENTRY(lines 126 134) the Hoare annotation is: true [2018-11-18 16:11:50,929 INFO L428 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 137) the Hoare annotation is: true [2018-11-18 16:11:50,929 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 137) no Hoare annotation was computed. [2018-11-18 16:11:50,929 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 137) no Hoare annotation was computed. [2018-11-18 16:11:50,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:11:50,929 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:11:50,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:11:50,929 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-11-18 16:11:50,929 INFO L425 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-11-18 16:11:50,929 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-11-18 16:11:50,930 INFO L421 ceAbstractionStarter]: At program point L65-3(lines 65 69) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (not (= (_ +zero 11 53) ~zero~0)) (and (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64)) (v_prenex_14 (_ BitVec 64)) (v_prenex_13 (_ BitVec 64))) (let ((.cse2 ((_ extract 63 32) v_prenex_14)) (.cse1 ((_ extract 31 0) |v_q#valueAsBitvector_6|)) (.cse0 ((_ extract 31 0) v_prenex_13))) (and (= .cse0 .cse1) (= .cse2 ((_ extract 63 32) v_prenex_13)) (= .cse2 __ieee754_log_~hx~1) (= ((_ extract 31 0) v_prenex_14) .cse1) (= .cse0 __ieee754_log_~lx~1) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_14) ((_ extract 62 52) v_prenex_14) ((_ extract 51 0) v_prenex_14)))))) (= (bvadd __ieee754_log_~k~0 (_ bv54 32)) (_ bv0 32)) (= __ieee754_log_~x (fp.mul roundNearestTiesToEven |__ieee754_log_#in~x| ~two54_log~0)) (exists ((v_prenex_18 (_ BitVec 64))) (let ((.cse3 ((_ extract 63 32) v_prenex_18))) (and (not (bvslt .cse3 (_ bv0 32))) (= (fp ((_ extract 63 63) v_prenex_18) ((_ extract 62 52) v_prenex_18) ((_ extract 51 0) v_prenex_18)) |__ieee754_log_#in~x|) (bvslt .cse3 (_ bv1048576 32))))))) [2018-11-18 16:11:50,930 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-11-18 16:11:50,930 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-11-18 16:11:50,930 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-11-18 16:11:50,930 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-11-18 16:11:50,930 INFO L425 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-11-18 16:11:50,930 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-11-18 16:11:50,930 INFO L425 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-11-18 16:11:50,930 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-11-18 16:11:50,930 INFO L421 ceAbstractionStarter]: At program point L50-3(lines 50 55) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (= __ieee754_log_~x |__ieee754_log_#in~x|) (not (= (_ +zero 11 53) ~zero~0))) [2018-11-18 16:11:50,930 INFO L425 ceAbstractionStarter]: For program point L50-4(lines 50 55) no Hoare annotation was computed. [2018-11-18 16:11:50,930 INFO L428 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L421 ceAbstractionStarter]: At program point L76-3(lines 76 81) the Hoare annotation is: (or (and (exists ((v_prenex_17 (_ BitVec 64))) (and (= (fp.mul roundNearestTiesToEven |__ieee754_log_#in~x| ~two54_log~0) (fp ((_ extract 63 63) v_prenex_17) ((_ extract 62 52) v_prenex_17) ((_ extract 51 0) v_prenex_17))) (= (bvadd __ieee754_log_~k~0 (_ bv1077 32)) (bvashr ((_ extract 63 32) v_prenex_17) (_ bv20 32))))) (exists ((__ieee754_log_~hx~1 (_ BitVec 32))) (= (bvand (_ bv1048576 32) (bvadd __ieee754_log_~hx~1 (_ bv614244 32))) __ieee754_log_~i~0)) (= __ieee754_log_~x (fp.mul roundNearestTiesToEven |__ieee754_log_#in~x| ~two54_log~0)) (exists ((v_prenex_18 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_18))) (and (not (bvslt .cse0 (_ bv0 32))) (= (fp ((_ extract 63 63) v_prenex_18) ((_ extract 62 52) v_prenex_18) ((_ extract 51 0) v_prenex_18)) |__ieee754_log_#in~x|) (bvslt .cse0 (_ bv1048576 32)))))) (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (and (= __ieee754_log_~x |__ieee754_log_#in~x|) (exists ((v_prenex_15 (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_15) ((_ extract 62 52) v_prenex_15) ((_ extract 51 0) v_prenex_15))) (not (bvslt ((_ extract 63 32) v_prenex_15) (_ bv1048576 32)))))) (not (= (_ +zero 11 53) ~zero~0))) [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 76 81) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point L20-4(lines 20 25) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 18 30) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 18 30) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point isinf_doubleENTRY(lines 18 30) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:11:50,931 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~two54_log~0 ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (= (_ +zero 11 53) ~zero~0)) [2018-11-18 16:11:50,931 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:11:50,932 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:11:50,932 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 139 160) the Hoare annotation is: true [2018-11-18 16:11:50,932 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2018-11-18 16:11:50,932 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 16:11:50,932 INFO L421 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (not (= (_ +zero 11 53) ~zero~0)) (and (exists ((__ieee754_log_~x (_ FloatingPoint 11 53))) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven __ieee754_log_~x __ieee754_log_~x) (_ +zero 11 53)) main_~res~0)) (fp.lt main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))) [2018-11-18 16:11:50,932 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 139 160) no Hoare annotation was computed. [2018-11-18 16:11:50,932 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 153 156) no Hoare annotation was computed. [2018-11-18 16:11:50,932 INFO L421 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (fp.lt main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (not (= (_ +zero 11 53) ~zero~0))) [2018-11-18 16:11:50,932 INFO L425 ceAbstractionStarter]: For program point L150-1(line 150) no Hoare annotation was computed. [2018-11-18 16:11:50,932 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 16:11:50,933 INFO L421 ceAbstractionStarter]: At program point L148-1(line 148) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (and |main_#t~short16| (fp.lt main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (= (_ +zero 11 53) ~zero~0))) [2018-11-18 16:11:50,933 INFO L425 ceAbstractionStarter]: For program point L148-2(line 148) no Hoare annotation was computed. [2018-11-18 16:11:50,933 INFO L425 ceAbstractionStarter]: For program point L148-4(lines 148 157) no Hoare annotation was computed. [2018-11-18 16:11:50,933 INFO L425 ceAbstractionStarter]: For program point L148-6(lines 148 157) no Hoare annotation was computed. [2018-11-18 16:11:50,933 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 139 160) no Hoare annotation was computed. [2018-11-18 16:11:50,940 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:50,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 16:11:50,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-18 16:11:50,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:50,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 16:11:50,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:50,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:50,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-18 16:11:50,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 16:11:50,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:50,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:50,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:50,942 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:50,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,944 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:50,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 16:11:50,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-18 16:11:50,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:50,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 16:11:50,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:50,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:50,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-18 16:11:50,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 16:11:50,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:50,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:50,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:50,945 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:50,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,946 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:50,947 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:50,948 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:50,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:50,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:50,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:50,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:50,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] [2018-11-18 16:11:50,949 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:50,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,950 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:50,950 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:50,950 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:50,950 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:50,950 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:50,951 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:50,951 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:50,951 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:50,951 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:50,951 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:50,952 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] [2018-11-18 16:11:50,952 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:50,952 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,952 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,952 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,952 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,953 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:50,953 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:50,953 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:50,953 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:50,953 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:50,953 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:50,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:11:50 BoogieIcfgContainer [2018-11-18 16:11:50,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:11:50,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:11:50,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:11:50,956 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:11:50,956 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:08:39" (3/4) ... [2018-11-18 16:11:50,959 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:11:50,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_double [2018-11-18 16:11:50,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 16:11:50,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:11:50,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-11-18 16:11:50,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-11-18 16:11:50,964 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:11:50,967 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2018-11-18 16:11:50,967 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-18 16:11:50,967 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:11:50,967 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 16:11:50,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || x == \old(x)) || !(~Pluszero~LONGDOUBLE() == zero) [2018-11-18 16:11:50,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || !(~Pluszero~LONGDOUBLE() == zero)) || ((((\exists v_q#valueAsBitvector_6 : bv64, v_prenex_14 : bv64, v_prenex_13 : bv64 :: ((((v_prenex_13[31:0] == v_q#valueAsBitvector_6[31:0] && v_prenex_14[63:32] == v_prenex_13[63:32]) && v_prenex_14[63:32] == hx) && v_prenex_14[31:0] == v_q#valueAsBitvector_6[31:0]) && v_prenex_13[31:0] == lx) && \old(x) == ~fp~LONGDOUBLE(v_prenex_14[63:63], v_prenex_14[62:52], v_prenex_14[51:0])) && ~bvadd64(k, 54bv32) == 0bv32) && x == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log)) && (\exists v_prenex_18 : bv64 :: (!~bvslt32(v_prenex_18[63:32], 0bv32) && ~fp~LONGDOUBLE(v_prenex_18[63:63], v_prenex_18[62:52], v_prenex_18[51:0]) == \old(x)) && ~bvslt32(v_prenex_18[63:32], 1048576bv32))) [2018-11-18 16:11:50,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists v_prenex_17 : bv64 :: ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && ~bvadd64(k, 1077bv32) == ~bvashr32(v_prenex_17[63:32], 20bv32)) && (\exists __ieee754_log_~hx~1 : bv32 :: ~bvand32(1048576bv32, ~bvadd64(__ieee754_log_~hx~1, 614244bv32)) == i)) && x == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log)) && (\exists v_prenex_18 : bv64 :: (!~bvslt32(v_prenex_18[63:32], 0bv32) && ~fp~LONGDOUBLE(v_prenex_18[63:63], v_prenex_18[62:52], v_prenex_18[51:0]) == \old(x)) && ~bvslt32(v_prenex_18[63:32], 1048576bv32))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log)) || (x == \old(x) && (\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 1048576bv32)))) || !(~Pluszero~LONGDOUBLE() == zero) [2018-11-18 16:11:51,007 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0fd38af6-93d2-45c5-a21a-45c61d895f12/bin-2019/uautomizer/witness.graphml [2018-11-18 16:11:51,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:11:51,007 INFO L168 Benchmark]: Toolchain (without parser) took 216821.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 949.2 MB in the beginning and 1.0 GB in the end (delta: -60.8 MB). Peak memory consumption was 140.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:11:51,008 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:11:51,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.18 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:11:51,009 INFO L168 Benchmark]: Boogie Preprocessor took 78.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -197.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:11:51,009 INFO L168 Benchmark]: RCFGBuilder took 24698.03 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: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:11:51,009 INFO L168 Benchmark]: TraceAbstraction took 191748.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.1 MB). Peak memory consumption was 132.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:11:51,010 INFO L168 Benchmark]: Witness Printer took 51.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:11:51,011 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 241.18 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 78.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -197.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 24698.03 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: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 191748.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.1 MB). Peak memory consumption was 132.9 MB. Max. memory is 11.5 GB. * Witness Printer took 51.53 ms. Allocated memory is still 1.2 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant [2018-11-18 16:11:51,015 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:51,015 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 16:11:51,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-18 16:11:51,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:51,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 16:11:51,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:51,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:51,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-18 16:11:51,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 16:11:51,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:51,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:51,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:51,017 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:51,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,018 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,018 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:51,018 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 16:11:51,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-18 16:11:51,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:51,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 16:11:51,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:51,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:51,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-18 16:11:51,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 16:11:51,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:51,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:51,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-11-18 16:11:51,020 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:51,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || !(~Pluszero~LONGDOUBLE() == zero)) || ((((\exists v_q#valueAsBitvector_6 : bv64, v_prenex_14 : bv64, v_prenex_13 : bv64 :: ((((v_prenex_13[31:0] == v_q#valueAsBitvector_6[31:0] && v_prenex_14[63:32] == v_prenex_13[63:32]) && v_prenex_14[63:32] == hx) && v_prenex_14[31:0] == v_q#valueAsBitvector_6[31:0]) && v_prenex_13[31:0] == lx) && \old(x) == ~fp~LONGDOUBLE(v_prenex_14[63:63], v_prenex_14[62:52], v_prenex_14[51:0])) && ~bvadd64(k, 54bv32) == 0bv32) && x == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log)) && (\exists v_prenex_18 : bv64 :: (!~bvslt32(v_prenex_18[63:32], 0bv32) && ~fp~LONGDOUBLE(v_prenex_18[63:63], v_prenex_18[62:52], v_prenex_18[51:0]) == \old(x)) && ~bvslt32(v_prenex_18[63:32], 1048576bv32))) - InvariantResult [Line: 50]: Loop Invariant [2018-11-18 16:11:51,025 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:51,025 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || x == \old(x)) || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 76]: Loop Invariant [2018-11-18 16:11:51,025 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:51,026 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:51,026 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:51,026 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:51,026 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:51,026 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] [2018-11-18 16:11:51,026 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:51,026 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,027 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:51,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:51,028 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:51,028 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:51,028 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:51,028 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:51,029 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:51,029 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:51,029 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:51,029 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 16:11:51,029 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] [2018-11-18 16:11:51,029 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:51,030 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,030 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,030 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,030 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,030 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 16:11:51,031 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 16:11:51,031 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:51,031 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:51,031 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 16:11:51,031 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] Derived loop invariant: ((((((\exists v_prenex_17 : bv64 :: ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && ~bvadd64(k, 1077bv32) == ~bvashr32(v_prenex_17[63:32], 20bv32)) && (\exists __ieee754_log_~hx~1 : bv32 :: ~bvand32(1048576bv32, ~bvadd64(__ieee754_log_~hx~1, 614244bv32)) == i)) && x == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log)) && (\exists v_prenex_18 : bv64 :: (!~bvslt32(v_prenex_18[63:32], 0bv32) && ~fp~LONGDOUBLE(v_prenex_18[63:63], v_prenex_18[62:52], v_prenex_18[51:0]) == \old(x)) && ~bvslt32(v_prenex_18[63:32], 1048576bv32))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log)) || (x == \old(x) && (\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 1048576bv32)))) || !(~Pluszero~LONGDOUBLE() == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 58 locations, 1 error locations. SAFE Result, 191.6s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 124.0s AutomataDifference, 0.0s DeadEndRemovalTime, 21.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 382 SDtfs, 188 SDslu, 1193 SDs, 0 SdLazy, 449 SolverSat, 24 SolverUnsat, 25 SolverUnknown, 0 SolverNotchecked, 94.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 215 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 61.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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, 8 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 29 PreInvPairs, 36 NumberOfFragments, 256 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 148 FormulaSimplificationTreeSizeReductionInter, 21.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 40.4s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 256 ConstructedInterpolants, 46 QuantifiedInterpolants, 67781 SizeOfPredicates, 30 NumberOfNonLiveVariables, 974 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...