./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/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 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 ............................................................................................................................................................................................................................................................................................................... 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_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/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 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 14:04:40,351 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:04:40,352 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:04:40,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:04:40,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:04:40,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:04:40,360 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:04:40,360 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:04:40,361 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:04:40,362 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:04:40,362 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:04:40,362 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:04:40,363 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:04:40,363 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:04:40,364 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:04:40,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:04:40,364 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:04:40,365 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:04:40,366 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:04:40,367 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:04:40,367 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:04:40,368 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:04:40,369 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:04:40,369 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:04:40,369 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:04:40,370 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:04:40,370 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:04:40,371 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:04:40,371 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:04:40,371 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:04:40,372 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:04:40,372 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:04:40,372 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:04:40,372 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:04:40,373 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:04:40,373 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:04:40,373 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 14:04:40,380 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:04:40,380 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:04:40,381 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:04:40,381 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 14:04:40,381 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:04:40,382 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:04:40,382 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 14:04:40,382 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:04:40,382 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:04:40,382 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:04:40,382 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:04:40,382 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:04:40,382 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:04:40,382 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:04:40,382 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:04:40,382 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:04:40,383 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:04:40,383 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:04:40,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:04:40,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:04:40,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 14:04:40,383 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:04:40,383 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 14:04:40,383 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 14:04:40,383 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:04:40,383 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:04:40,383 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:04:40,384 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 14:04:40,384 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:04:40,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:04:40,384 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_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/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 -> 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 [2018-12-08 14:04:40,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:04:40,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:04:40,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:04:40,410 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:04:40,411 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:04:40,411 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-08 14:04:40,447 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/data/c9bbf62fc/f154591505774f2b8617d5f246f515b2/FLAGf07018d9c [2018-12-08 14:04:40,864 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:04:40,865 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-08 14:04:40,869 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/data/c9bbf62fc/f154591505774f2b8617d5f246f515b2/FLAGf07018d9c [2018-12-08 14:04:40,877 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/data/c9bbf62fc/f154591505774f2b8617d5f246f515b2 [2018-12-08 14:04:40,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:04:40,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:04:40,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:04:40,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:04:40,882 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:04:40,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:04:40" (1/1) ... [2018-12-08 14:04:40,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325efab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:40, skipping insertion in model container [2018-12-08 14:04:40,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:04:40" (1/1) ... [2018-12-08 14:04:40,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:04:40,900 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:04:41,007 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:04:41,009 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:04:41,032 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:04:41,074 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:04:41,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:41 WrapperNode [2018-12-08 14:04:41,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:04:41,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:04:41,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:04:41,075 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:04:41,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:41" (1/1) ... [2018-12-08 14:04:41,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:41" (1/1) ... [2018-12-08 14:04:41,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:04:41,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:04:41,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:04:41,091 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:04:41,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:41" (1/1) ... [2018-12-08 14:04:41,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:41" (1/1) ... [2018-12-08 14:04:41,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:41" (1/1) ... [2018-12-08 14:04:41,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:41" (1/1) ... [2018-12-08 14:04:41,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:41" (1/1) ... [2018-12-08 14:04:41,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:41" (1/1) ... [2018-12-08 14:04:41,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:41" (1/1) ... [2018-12-08 14:04:41,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:04:41,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:04:41,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:04:41,113 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:04:41,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 14:04:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-08 14:04:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-08 14:04:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 14:04:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 14:04:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 14:04:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 14:04:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-08 14:04:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-08 14:04:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 14:04:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 14:04:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 14:04:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:04:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:04:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:04:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 14:04:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 14:04:41,346 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:04:41,346 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 14:04:41,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:04:41 BoogieIcfgContainer [2018-12-08 14:04:41,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:04:41,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 14:04:41,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 14:04:41,350 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 14:04:41,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 02:04:40" (1/3) ... [2018-12-08 14:04:41,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338ac262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:04:41, skipping insertion in model container [2018-12-08 14:04:41,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:41" (2/3) ... [2018-12-08 14:04:41,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338ac262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:04:41, skipping insertion in model container [2018-12-08 14:04:41,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:04:41" (3/3) ... [2018-12-08 14:04:41,353 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720_true-unreach-call.c [2018-12-08 14:04:41,358 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 14:04:41,363 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 14:04:41,372 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 14:04:41,391 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 14:04:41,392 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 14:04:41,392 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 14:04:41,392 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 14:04:41,392 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 14:04:41,392 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 14:04:41,392 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 14:04:41,392 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 14:04:41,392 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 14:04:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-12-08 14:04:41,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 14:04:41,409 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:04:41,409 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:04:41,411 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:04:41,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:04:41,414 INFO L82 PathProgramCache]: Analyzing trace with hash -429811670, now seen corresponding path program 1 times [2018-12-08 14:04:41,415 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:04:41,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:04:41,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:04:41,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:04:41,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:04:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:41,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:41,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:04:41,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 14:04:41,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 14:04:41,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 14:04:41,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 14:04:41,512 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2018-12-08 14:04:41,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:04:41,526 INFO L93 Difference]: Finished difference Result 116 states and 172 transitions. [2018-12-08 14:04:41,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 14:04:41,527 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-08 14:04:41,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:04:41,533 INFO L225 Difference]: With dead ends: 116 [2018-12-08 14:04:41,533 INFO L226 Difference]: Without dead ends: 58 [2018-12-08 14:04:41,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 14:04:41,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-08 14:04:41,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-08 14:04:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-08 14:04:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2018-12-08 14:04:41,558 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 20 [2018-12-08 14:04:41,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:04:41,558 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2018-12-08 14:04:41,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 14:04:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2018-12-08 14:04:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 14:04:41,559 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:04:41,559 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:04:41,559 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:04:41,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:04:41,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1876471549, now seen corresponding path program 1 times [2018-12-08 14:04:41,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:04:41,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:04:41,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:04:41,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:04:41,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:04:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:04:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:04:41,604 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 14:04:41,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 02:04:41 BoogieIcfgContainer [2018-12-08 14:04:41,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 14:04:41,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:04:41,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:04:41,621 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:04:41,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:04:41" (3/4) ... [2018-12-08 14:04:41,624 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 14:04:41,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:04:41,625 INFO L168 Benchmark]: Toolchain (without parser) took 745.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -102.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-12-08 14:04:41,626 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:04:41,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-12-08 14:04:41,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.30 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 14:04:41,627 INFO L168 Benchmark]: Boogie Preprocessor took 21.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:04:41,627 INFO L168 Benchmark]: RCFGBuilder took 234.27 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: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-12-08 14:04:41,627 INFO L168 Benchmark]: TraceAbstraction took 273.77 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: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-12-08 14:04:41,627 INFO L168 Benchmark]: Witness Printer took 2.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:04:41,629 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 194.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.30 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 234.27 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: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 273.77 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: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=6442450952, \old(tiny_sqrt)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = 0.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L141] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=6442450953, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] double z; [L24] __int32_t sign = 0x80000000; [L25] __uint32_t r, t1, s1, ix1, q1; [L26] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=6442450953, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L29] ieee_double_shape_type ew_u; [L30] ew_u.value = (x) [L31] EXPR ew_u.parts.msw [L31] (ix0) = ew_u.parts.msw [L32] EXPR ew_u.parts.lsw [L32] (ix1) = ew_u.parts.lsw [L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L36] return x * x + x; VAL [\old(x)=6442450953, ix0=-2147483648, ix1=6442450949, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L141] RET, EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=6442450951, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L141] double res = __ieee754_sqrt(x); [L144] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450951, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L18] return x != x; VAL [\old(x)=6442450951, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450951] [L144] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, one_sqrt=1, res=6442450951, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L144] COND TRUE !isnan_double(res) [L145] __VERIFIER_error() VAL [one_sqrt=1, res=6442450951, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 62 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 81 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 14:04:42,892 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:04:42,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:04:42,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:04:42,900 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:04:42,900 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:04:42,901 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:04:42,902 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:04:42,902 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:04:42,903 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:04:42,903 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:04:42,903 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:04:42,904 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:04:42,904 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:04:42,905 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:04:42,905 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:04:42,905 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:04:42,906 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:04:42,908 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:04:42,908 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:04:42,909 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:04:42,910 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:04:42,912 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:04:42,912 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:04:42,912 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:04:42,913 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:04:42,913 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:04:42,913 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:04:42,914 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:04:42,914 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:04:42,914 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:04:42,915 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:04:42,915 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:04:42,915 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:04:42,915 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:04:42,916 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:04:42,916 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 14:04:42,925 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:04:42,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:04:42,926 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:04:42,926 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 14:04:42,927 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:04:42,927 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:04:42,927 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 14:04:42,927 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:04:42,927 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:04:42,928 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:04:42,928 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:04:42,928 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:04:42,928 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:04:42,928 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:04:42,928 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 14:04:42,928 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 14:04:42,929 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:04:42,929 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:04:42,929 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:04:42,929 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:04:42,929 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:04:42,929 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 14:04:42,930 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:04:42,930 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 14:04:42,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 14:04:42,930 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:04:42,930 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:04:42,930 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:04:42,931 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 14:04:42,931 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:04:42,931 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 14:04:42,931 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 14:04:42,931 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_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/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 -> 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 [2018-12-08 14:04:42,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:04:42,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:04:42,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:04:42,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:04:42,965 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:04:42,965 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-08 14:04:43,000 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/data/00e6fc16e/eecad8bfb1e34212b1b3e06b37d3947a/FLAG7de8e04e8 [2018-12-08 14:04:43,418 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:04:43,418 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-08 14:04:43,422 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/data/00e6fc16e/eecad8bfb1e34212b1b3e06b37d3947a/FLAG7de8e04e8 [2018-12-08 14:04:43,432 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/data/00e6fc16e/eecad8bfb1e34212b1b3e06b37d3947a [2018-12-08 14:04:43,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:04:43,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:04:43,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:04:43,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:04:43,439 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:04:43,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:04:43" (1/1) ... [2018-12-08 14:04:43,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43, skipping insertion in model container [2018-12-08 14:04:43,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:04:43" (1/1) ... [2018-12-08 14:04:43,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:04:43,462 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:04:43,581 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:04:43,585 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:04:43,609 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:04:43,627 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:04:43,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43 WrapperNode [2018-12-08 14:04:43,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:04:43,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:04:43,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:04:43,628 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:04:43,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43" (1/1) ... [2018-12-08 14:04:43,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43" (1/1) ... [2018-12-08 14:04:43,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:04:43,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:04:43,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:04:43,654 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:04:43,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43" (1/1) ... [2018-12-08 14:04:43,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43" (1/1) ... [2018-12-08 14:04:43,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43" (1/1) ... [2018-12-08 14:04:43,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43" (1/1) ... [2018-12-08 14:04:43,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43" (1/1) ... [2018-12-08 14:04:43,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43" (1/1) ... [2018-12-08 14:04:43,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43" (1/1) ... [2018-12-08 14:04:43,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:04:43,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:04:43,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:04:43,679 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:04:43,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 14:04:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-08 14:04:43,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-08 14:04:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-08 14:04:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-08 14:04:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 14:04:43,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 14:04:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-08 14:04:43,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-08 14:04:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 14:04:43,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 14:04:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:04:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 14:04:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:04:43,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:04:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 14:04:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 14:04:44,146 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 14:04:45,624 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:04:45,624 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 14:04:45,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:04:45 BoogieIcfgContainer [2018-12-08 14:04:45,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:04:45,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 14:04:45,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 14:04:45,628 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 14:04:45,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 02:04:43" (1/3) ... [2018-12-08 14:04:45,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230ff299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:04:45, skipping insertion in model container [2018-12-08 14:04:45,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:43" (2/3) ... [2018-12-08 14:04:45,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230ff299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:04:45, skipping insertion in model container [2018-12-08 14:04:45,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:04:45" (3/3) ... [2018-12-08 14:04:45,631 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720_true-unreach-call.c [2018-12-08 14:04:45,638 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 14:04:45,644 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 14:04:45,656 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 14:04:45,673 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 14:04:45,673 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 14:04:45,673 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 14:04:45,673 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 14:04:45,673 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 14:04:45,673 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 14:04:45,673 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 14:04:45,674 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 14:04:45,674 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 14:04:45,683 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-12-08 14:04:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 14:04:45,686 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:04:45,687 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:04:45,688 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:04:45,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:04:45,691 INFO L82 PathProgramCache]: Analyzing trace with hash 295214612, now seen corresponding path program 1 times [2018-12-08 14:04:45,693 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 14:04:45,693 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-08 14:04:45,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:04:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:45,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:04:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:45,993 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 14:04:46,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:04:46,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 14:04:46,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 14:04:46,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 14:04:46,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 14:04:46,019 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-12-08 14:04:46,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:04:46,033 INFO L93 Difference]: Finished difference Result 114 states and 170 transitions. [2018-12-08 14:04:46,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 14:04:46,034 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-08 14:04:46,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:04:46,041 INFO L225 Difference]: With dead ends: 114 [2018-12-08 14:04:46,041 INFO L226 Difference]: Without dead ends: 57 [2018-12-08 14:04:46,043 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 14:04:46,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-08 14:04:46,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-08 14:04:46,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-08 14:04:46,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2018-12-08 14:04:46,069 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 19 [2018-12-08 14:04:46,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:04:46,070 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2018-12-08 14:04:46,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 14:04:46,070 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2018-12-08 14:04:46,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 14:04:46,071 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:04:46,071 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:04:46,071 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:04:46,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:04:46,071 INFO L82 PathProgramCache]: Analyzing trace with hash 438908261, now seen corresponding path program 1 times [2018-12-08 14:04:46,072 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 14:04:46,072 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-08 14:04:46,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:04:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:46,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:04:52,323 WARN L180 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-08 14:05:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:05:00,683 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 14:05:00,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:05:00,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 14:05:00,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 14:05:00,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 14:05:00,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=54, Unknown=3, NotChecked=0, Total=72 [2018-12-08 14:05:00,695 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand 9 states. [2018-12-08 14:05:05,296 WARN L832 $PredicateComparison]: unable to prove that (and (= c___ieee754_sqrt_~x |c___ieee754_sqrt_#in~x|) (= |c___ieee754_sqrt_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven |c___ieee754_sqrt_#in~x| |c___ieee754_sqrt_#in~x|) |c___ieee754_sqrt_#in~x|))) is different from false [2018-12-08 14:05:20,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:05:20,253 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2018-12-08 14:05:20,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 14:05:20,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-12-08 14:05:20,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:05:20,255 INFO L225 Difference]: With dead ends: 64 [2018-12-08 14:05:20,255 INFO L226 Difference]: Without dead ends: 57 [2018-12-08 14:05:20,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=4, NotChecked=20, Total=156 [2018-12-08 14:05:20,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-08 14:05:20,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-08 14:05:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-08 14:05:20,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2018-12-08 14:05:20,262 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 20 [2018-12-08 14:05:20,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:05:20,263 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2018-12-08 14:05:20,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 14:05:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-08 14:05:20,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 14:05:20,263 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:05:20,264 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:05:20,264 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:05:20,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:05:20,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1464284033, now seen corresponding path program 1 times [2018-12-08 14:05:20,264 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 14:05:20,264 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-08 14:05:20,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:05:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:20,311 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:05:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:05:20,396 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 14:05:20,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:05:20,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 14:05:20,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:05:20,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:05:20,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:05:20,405 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 6 states. [2018-12-08 14:05:23,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:05:23,437 INFO L93 Difference]: Finished difference Result 105 states and 138 transitions. [2018-12-08 14:05:23,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 14:05:23,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-08 14:05:23,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:05:23,440 INFO L225 Difference]: With dead ends: 105 [2018-12-08 14:05:23,440 INFO L226 Difference]: Without dead ends: 62 [2018-12-08 14:05:23,441 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-08 14:05:23,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-08 14:05:23,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 57. [2018-12-08 14:05:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-08 14:05:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 73 transitions. [2018-12-08 14:05:23,448 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 73 transitions. Word has length 22 [2018-12-08 14:05:23,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:05:23,448 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 73 transitions. [2018-12-08 14:05:23,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:05:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2018-12-08 14:05:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 14:05:23,449 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:05:23,449 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:05:23,449 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:05:23,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:05:23,450 INFO L82 PathProgramCache]: Analyzing trace with hash -428456562, now seen corresponding path program 1 times [2018-12-08 14:05:23,450 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 14:05:23,450 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-08 14:05:23,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:05:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:24,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:05:26,393 WARN L832 $PredicateComparison]: unable to prove that (= |c___ieee754_sqrt_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven |c___ieee754_sqrt_#in~x| |c___ieee754_sqrt_#in~x|))) (fp.div roundNearestTiesToEven .cse0 .cse0))) is different from false [2018-12-08 14:05:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:05:27,673 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 14:05:27,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:05:27,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 14:05:27,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 14:05:27,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 14:05:27,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2018-12-08 14:05:27,689 INFO L87 Difference]: Start difference. First operand 57 states and 73 transitions. Second operand 9 states. [2018-12-08 14:05:51,697 WARN L180 SmtUtils]: Spent 9.01 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-08 14:05:53,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:05:53,188 INFO L93 Difference]: Finished difference Result 64 states and 80 transitions. [2018-12-08 14:05:53,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 14:05:53,188 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-08 14:05:53,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:05:53,189 INFO L225 Difference]: With dead ends: 64 [2018-12-08 14:05:53,189 INFO L226 Difference]: Without dead ends: 57 [2018-12-08 14:05:53,190 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=32, Invalid=102, Unknown=2, NotChecked=20, Total=156 [2018-12-08 14:05:53,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-08 14:05:53,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-08 14:05:53,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-08 14:05:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2018-12-08 14:05:53,194 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 23 [2018-12-08 14:05:53,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:05:53,194 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2018-12-08 14:05:53,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 14:05:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2018-12-08 14:05:53,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 14:05:53,195 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:05:53,195 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:05:53,195 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:05:53,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:05:53,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1375058646, now seen corresponding path program 1 times [2018-12-08 14:05:53,195 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 14:05:53,195 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-08 14:05:53,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:05:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:53,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:05:53,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:05:53,331 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 14:05:53,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:05:53,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 14:05:53,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:05:53,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:05:53,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:05:53,340 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand 6 states. [2018-12-08 14:05:53,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:05:53,845 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2018-12-08 14:05:53,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 14:05:53,846 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-12-08 14:05:53,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:05:53,846 INFO L225 Difference]: With dead ends: 60 [2018-12-08 14:05:53,847 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 14:05:53,847 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-08 14:05:53,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 14:05:53,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 14:05:53,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 14:05:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 14:05:53,847 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-12-08 14:05:53,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:05:53,848 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 14:05:53,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:05:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 14:05:53,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 14:05:53,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 14:05:54,272 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-08 14:05:54,273 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 22 130) the Hoare annotation is: true [2018-12-08 14:05:54,274 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2018-12-08 14:05:54,274 INFO L448 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2018-12-08 14:05:54,274 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 22 130) no Hoare annotation was computed. [2018-12-08 14:05:54,274 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 101) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64))) (and (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_3|)) (_ bv2148532224 32)) (_ bv0 32))) (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))))) (= (bvadd __ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32))) [2018-12-08 14:05:54,274 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2018-12-08 14:05:54,274 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2018-12-08 14:05:54,274 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2018-12-08 14:05:54,274 INFO L448 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2018-12-08 14:05:54,274 INFO L448 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2018-12-08 14:05:54,274 INFO L444 ceAbstractionStarter]: At program point L28-2(lines 28 33) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (= (bvadd __ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32))) [2018-12-08 14:05:54,274 INFO L448 ceAbstractionStarter]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2018-12-08 14:05:54,275 INFO L448 ceAbstractionStarter]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2018-12-08 14:05:54,275 INFO L444 ceAbstractionStarter]: At program point L53-3(lines 53 54) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64))) (and (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_3|)) (_ bv2148532224 32)) (_ bv0 32))) (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))))) (= (bvadd __ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32))) [2018-12-08 14:05:54,275 INFO L448 ceAbstractionStarter]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2018-12-08 14:05:54,275 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-12-08 14:05:54,275 INFO L448 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2018-12-08 14:05:54,275 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2018-12-08 14:05:54,275 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-12-08 14:05:54,275 INFO L448 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2018-12-08 14:05:54,275 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2018-12-08 14:05:54,276 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2018-12-08 14:05:54,276 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-12-08 14:05:54,276 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2018-12-08 14:05:54,276 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2018-12-08 14:05:54,276 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2018-12-08 14:05:54,276 INFO L444 ceAbstractionStarter]: At program point L72-2(lines 72 82) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64))) (and (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_3|)) (_ bv2148532224 32)) (_ bv0 32))) (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))))) (= (bvadd __ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32))) [2018-12-08 14:05:54,276 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2018-12-08 14:05:54,276 INFO L448 ceAbstractionStarter]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2018-12-08 14:05:54,277 INFO L444 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: (let ((.cse0 (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) (.cse1 (= (bvadd __ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32)))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64)) (__ieee754_sqrt_~ix1~0 (_ BitVec 32))) (and (= (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_2|) (_ bv2147483647 32)) __ieee754_sqrt_~ix1~0) (_ bv0 32)) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|))) .cse1) (and .cse0 (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64))) (and (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_3|)) (_ bv2148532224 32)) (_ bv0 32))) (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))))) .cse1 (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (= __ieee754_sqrt_~ix0~0 ((_ extract 63 32) |v_q#valueAsBitvector_2|))))))) [2018-12-08 14:05:54,277 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-12-08 14:05:54,277 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2018-12-08 14:05:54,277 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 22 130) no Hoare annotation was computed. [2018-12-08 14:05:54,277 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-12-08 14:05:54,277 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-12-08 14:05:54,277 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64))) (and (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_3|)) (_ bv2148532224 32)) (_ bv0 32))) (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))))) (= (bvadd __ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32))) [2018-12-08 14:05:54,278 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-12-08 14:05:54,278 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-12-08 14:05:54,278 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2018-12-08 14:05:54,278 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2018-12-08 14:05:54,278 INFO L448 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2018-12-08 14:05:54,278 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-08 14:05:54,278 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 18) the Hoare annotation is: true [2018-12-08 14:05:54,278 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 18) no Hoare annotation was computed. [2018-12-08 14:05:54,279 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 18) no Hoare annotation was computed. [2018-12-08 14:05:54,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 14:05:54,279 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 14:05:54,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 14:05:54,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 14:05:54,279 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 14:05:54,279 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 14:05:54,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 14:05:54,279 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 14:05:54,280 INFO L444 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) main_~res~0))) [2018-12-08 14:05:54,280 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 144 147) no Hoare annotation was computed. [2018-12-08 14:05:54,280 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 132 150) the Hoare annotation is: true [2018-12-08 14:05:54,280 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2018-12-08 14:05:54,280 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-08 14:05:54,280 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 132 150) no Hoare annotation was computed. [2018-12-08 14:05:54,280 INFO L448 ceAbstractionStarter]: For program point L141-1(line 141) no Hoare annotation was computed. [2018-12-08 14:05:54,280 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 132 150) no Hoare annotation was computed. [2018-12-08 14:05:54,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,293 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,293 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,293 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,294 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,294 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,294 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,294 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,294 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,295 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,295 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,295 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,296 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,296 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] [2018-12-08 14:05:54,296 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,296 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,296 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,297 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,297 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,297 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,297 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,297 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,297 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,298 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,298 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,298 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,299 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] [2018-12-08 14:05:54,299 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,299 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,299 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,299 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,300 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,300 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,300 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,300 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,300 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,301 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,301 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,301 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,302 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,302 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,302 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,302 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,302 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,303 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,303 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 02:05:54 BoogieIcfgContainer [2018-12-08 14:05:54,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 14:05:54,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:05:54,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:05:54,305 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:05:54,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:04:45" (3/4) ... [2018-12-08 14:05:54,308 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 14:05:54,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-08 14:05:54,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-08 14:05:54,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 14:05:54,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 14:05:54,316 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-12-08 14:05:54,316 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 14:05:54,317 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 14:05:54,334 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && ~bvadd64(sign, 2147483648bv32) == 0bv32 [2018-12-08 14:05:54,334 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64, __ieee754_sqrt_~ix1~0 : bv32 :: ~bvor32(~bvand32(v_q#valueAsBitvector_2[63:32], 2147483647bv32), __ieee754_sqrt_~ix1~0) == 0bv32 && ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x))) && ~bvadd64(sign, 2147483648bv32) == 0bv32) || (((x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && ix0 == v_q#valueAsBitvector_2[63:32])) [2018-12-08 14:05:54,334 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 [2018-12-08 14:05:54,334 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 [2018-12-08 14:05:54,335 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 [2018-12-08 14:05:54,335 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 [2018-12-08 14:05:54,355 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6ec2b905-2c30-4b1f-afaa-e373a58f0d38/bin-2019/uautomizer/witness.graphml [2018-12-08 14:05:54,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:05:54,356 INFO L168 Benchmark]: Toolchain (without parser) took 70921.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 943.4 MB in the beginning and 926.4 MB in the end (delta: 17.0 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. [2018-12-08 14:05:54,357 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:05:54,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.26 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 925.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-08 14:05:54,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 37.7 MB). Free memory was 925.9 MB in the beginning and 1.0 GB in the end (delta: -90.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-12-08 14:05:54,357 INFO L168 Benchmark]: Boogie Preprocessor took 25.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:05:54,358 INFO L168 Benchmark]: RCFGBuilder took 1945.69 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 198.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -164.7 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2018-12-08 14:05:54,358 INFO L168 Benchmark]: TraceAbstraction took 68678.80 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 936.5 MB in the end (delta: 244.2 MB). Peak memory consumption was 244.2 MB. Max. memory is 11.5 GB. [2018-12-08 14:05:54,358 INFO L168 Benchmark]: Witness Printer took 50.87 ms. Allocated memory is still 1.3 GB. Free memory was 936.5 MB in the beginning and 926.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-12-08 14:05:54,360 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.26 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 925.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 37.7 MB). Free memory was 925.9 MB in the beginning and 1.0 GB in the end (delta: -90.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1945.69 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 198.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -164.7 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 68678.80 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 936.5 MB in the end (delta: 244.2 MB). Peak memory consumption was 244.2 MB. Max. memory is 11.5 GB. * Witness Printer took 50.87 ms. Allocated memory is still 1.3 GB. Free memory was 936.5 MB in the beginning and 926.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: x == \old(x) && ~bvadd64(sign, 2147483648bv32) == 0bv32 - InvariantResult [Line: 72]: Loop Invariant [2018-12-08 14:05:54,365 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,365 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,365 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,365 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,365 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 - InvariantResult [Line: 53]: Loop Invariant [2018-12-08 14:05:54,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,367 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,367 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,367 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,367 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 - InvariantResult [Line: 123]: Loop Invariant [2018-12-08 14:05:54,367 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,367 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,368 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,368 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,368 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,368 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,368 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,369 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 - InvariantResult [Line: 48]: Loop Invariant [2018-12-08 14:05:54,369 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,369 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] [2018-12-08 14:05:54,369 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,369 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] [2018-12-08 14:05:54,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,372 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,372 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,372 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,372 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,372 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,372 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-08 14:05:54,372 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64, __ieee754_sqrt_~ix1~0 : bv32 :: ~bvor32(~bvand32(v_q#valueAsBitvector_2[63:32], 2147483647bv32), __ieee754_sqrt_~ix1~0) == 0bv32 && ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x))) && ~bvadd64(sign, 2147483648bv32) == 0bv32) || (((x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && ix0 == v_q#valueAsBitvector_2[63:32])) - InvariantResult [Line: 85]: Loop Invariant [2018-12-08 14:05:54,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-08 14:05:54,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 61 locations, 1 error locations. SAFE Result, 68.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 48.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 358 SDtfs, 351 SDslu, 1064 SDs, 0 SdLazy, 289 SolverSat, 16 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 19.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 46.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 18 PreInvPairs, 32 NumberOfFragments, 235 HoareAnnotationTreeSize, 18 FomulaSimplifications, 101 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 163 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 18.1s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 115 ConstructedInterpolants, 26 QuantifiedInterpolants, 23326 SizeOfPredicates, 16 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...