./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/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: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/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 0.1.25-f470102 [2019-12-07 17:38:46,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:38:46,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:38:46,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:38:46,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:38:46,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:38:46,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:38:46,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:38:46,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:38:46,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:38:46,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:38:46,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:38:46,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:38:46,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:38:46,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:38:46,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:38:46,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:38:46,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:38:46,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:38:46,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:38:46,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:38:46,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:38:46,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:38:46,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:38:46,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:38:46,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:38:46,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:38:46,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:38:46,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:38:46,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:38:46,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:38:46,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:38:46,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:38:46,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:38:46,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:38:46,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:38:46,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:38:46,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:38:46,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:38:46,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:38:46,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:38:46,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:38:46,538 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:38:46,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:38:46,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:38:46,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:38:46,539 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:38:46,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:38:46,540 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:38:46,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:38:46,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:38:46,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:38:46,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:38:46,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:38:46,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:38:46,541 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:38:46,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:38:46,541 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:38:46,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:38:46,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:38:46,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:38:46,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:38:46,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:38:46,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:38:46,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:38:46,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:38:46,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:38:46,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:38:46,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:38:46,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:38:46,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:38:46,544 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/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 [2019-12-07 17:38:46,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:38:46,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:38:46,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:38:46,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:38:46,666 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:38:46,666 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-12-07 17:38:46,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/data/120f46f2b/d694859e35bb49c3a63d58e26d6bf46d/FLAGeb54cbae7 [2019-12-07 17:38:47,127 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:38:47,128 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-12-07 17:38:47,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/data/120f46f2b/d694859e35bb49c3a63d58e26d6bf46d/FLAGeb54cbae7 [2019-12-07 17:38:47,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/data/120f46f2b/d694859e35bb49c3a63d58e26d6bf46d [2019-12-07 17:38:47,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:38:47,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:38:47,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:38:47,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:38:47,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:38:47,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:38:47" (1/1) ... [2019-12-07 17:38:47,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2516fdb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47, skipping insertion in model container [2019-12-07 17:38:47,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:38:47" (1/1) ... [2019-12-07 17:38:47,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:38:47,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:38:47,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:38:47,342 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:38:47,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:38:47,384 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:38:47,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47 WrapperNode [2019-12-07 17:38:47,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:38:47,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:38:47,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:38:47,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:38:47,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47" (1/1) ... [2019-12-07 17:38:47,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47" (1/1) ... [2019-12-07 17:38:47,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:38:47,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:38:47,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:38:47,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:38:47,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47" (1/1) ... [2019-12-07 17:38:47,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47" (1/1) ... [2019-12-07 17:38:47,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47" (1/1) ... [2019-12-07 17:38:47,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47" (1/1) ... [2019-12-07 17:38:47,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47" (1/1) ... [2019-12-07 17:38:47,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47" (1/1) ... [2019-12-07 17:38:47,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47" (1/1) ... [2019-12-07 17:38:47,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:38:47,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:38:47,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:38:47,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:38:47,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/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 [2019-12-07 17:38:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:38:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 17:38:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:38:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 17:38:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:38:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:38:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:38:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:38:47,742 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:38:47,743 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 17:38:47,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:38:47 BoogieIcfgContainer [2019-12-07 17:38:47,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:38:47,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:38:47,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:38:47,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:38:47,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:38:47" (1/3) ... [2019-12-07 17:38:47,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f67034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:38:47, skipping insertion in model container [2019-12-07 17:38:47,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:47" (2/3) ... [2019-12-07 17:38:47,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f67034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:38:47, skipping insertion in model container [2019-12-07 17:38:47,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:38:47" (3/3) ... [2019-12-07 17:38:47,748 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2019-12-07 17:38:47,754 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:38:47,759 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:38:47,766 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:38:47,780 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:38:47,780 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:38:47,781 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:38:47,781 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:38:47,781 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:38:47,781 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:38:47,781 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:38:47,781 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:38:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-12-07 17:38:47,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 17:38:47,794 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:38:47,795 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:38:47,795 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:38:47,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:38:47,799 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-12-07 17:38:47,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:38:47,804 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434482532] [2019-12-07 17:38:47,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:38:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:38:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:38:47,879 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434482532] [2019-12-07 17:38:47,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:38:47,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:38:47,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210542280] [2019-12-07 17:38:47,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:38:47,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:38:47,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:38:47,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:38:47,894 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-12-07 17:38:47,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:38:47,907 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-12-07 17:38:47,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:38:47,908 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 17:38:47,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:38:47,915 INFO L225 Difference]: With dead ends: 96 [2019-12-07 17:38:47,915 INFO L226 Difference]: Without dead ends: 46 [2019-12-07 17:38:47,917 INFO L630 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 [2019-12-07 17:38:47,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-07 17:38:47,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-12-07 17:38:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-07 17:38:47,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-12-07 17:38:47,942 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-12-07 17:38:47,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:38:47,942 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-12-07 17:38:47,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:38:47,942 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-12-07 17:38:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 17:38:47,943 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:38:47,943 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:38:47,943 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:38:47,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:38:47,943 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-12-07 17:38:47,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:38:47,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695694888] [2019-12-07 17:38:47,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:38:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:38:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:38:47,999 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:38:47,999 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:38:48,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:38:48 BoogieIcfgContainer [2019-12-07 17:38:48,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:38:48,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:38:48,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:38:48,018 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:38:48,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:38:47" (3/4) ... [2019-12-07 17:38:48,020 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:38:48,020 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:38:48,022 INFO L168 Benchmark]: Toolchain (without parser) took 877.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -78.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:38:48,022 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:38:48,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:38:48,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:38:48,023 INFO L168 Benchmark]: Boogie Preprocessor took 24.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:38:48,024 INFO L168 Benchmark]: RCFGBuilder took 299.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:38:48,024 INFO L168 Benchmark]: TraceAbstraction took 273.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:38:48,024 INFO L168 Benchmark]: Witness Printer took 2.72 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. [2019-12-07 17:38:48,026 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 299.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 273.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = 0.0 / 0.0; [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 [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [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 [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L141] double res = __ieee754_sqrt(x); [L18] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L144] COND TRUE !isnan_double(res) [L145] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 68 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=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.25-f470102 [2019-12-07 17:38:49,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:38:49,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:38:49,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:38:49,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:38:49,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:38:49,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:38:49,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:38:49,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:38:49,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:38:49,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:38:49,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:38:49,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:38:49,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:38:49,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:38:49,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:38:49,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:38:49,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:38:49,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:38:49,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:38:49,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:38:49,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:38:49,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:38:49,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:38:49,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:38:49,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:38:49,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:38:49,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:38:49,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:38:49,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:38:49,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:38:49,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:38:49,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:38:49,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:38:49,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:38:49,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:38:49,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:38:49,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:38:49,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:38:49,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:38:49,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:38:49,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 17:38:49,425 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:38:49,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:38:49,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:38:49,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:38:49,426 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:38:49,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:38:49,427 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:38:49,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:38:49,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:38:49,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:38:49,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:38:49,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:38:49,428 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:38:49,428 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:38:49,428 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:38:49,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:38:49,428 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:38:49,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:38:49,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:38:49,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:38:49,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:38:49,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:38:49,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:38:49,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:38:49,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:38:49,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:38:49,430 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 17:38:49,430 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:38:49,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:38:49,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:38:49,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:38:49,430 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/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 [2019-12-07 17:38:49,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:38:49,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:38:49,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:38:49,617 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:38:49,617 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:38:49,618 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-12-07 17:38:49,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/data/9bf2f7f59/79ef102490db4505aff2a4cb98d4d16e/FLAG0c068b191 [2019-12-07 17:38:50,099 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:38:50,099 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-12-07 17:38:50,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/data/9bf2f7f59/79ef102490db4505aff2a4cb98d4d16e/FLAG0c068b191 [2019-12-07 17:38:50,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/data/9bf2f7f59/79ef102490db4505aff2a4cb98d4d16e [2019-12-07 17:38:50,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:38:50,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:38:50,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:38:50,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:38:50,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:38:50,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:38:50" (1/1) ... [2019-12-07 17:38:50,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb84b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50, skipping insertion in model container [2019-12-07 17:38:50,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:38:50" (1/1) ... [2019-12-07 17:38:50,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:38:50,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:38:50,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:38:50,268 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:38:50,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:38:50,348 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:38:50,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50 WrapperNode [2019-12-07 17:38:50,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:38:50,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:38:50,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:38:50,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:38:50,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50" (1/1) ... [2019-12-07 17:38:50,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50" (1/1) ... [2019-12-07 17:38:50,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:38:50,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:38:50,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:38:50,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:38:50,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50" (1/1) ... [2019-12-07 17:38:50,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50" (1/1) ... [2019-12-07 17:38:50,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50" (1/1) ... [2019-12-07 17:38:50,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50" (1/1) ... [2019-12-07 17:38:50,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50" (1/1) ... [2019-12-07 17:38:50,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50" (1/1) ... [2019-12-07 17:38:50,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50" (1/1) ... [2019-12-07 17:38:50,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:38:50,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:38:50,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:38:50,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:38:50,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/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 [2019-12-07 17:38:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 17:38:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 17:38:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:38:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 17:38:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:38:50,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:38:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 17:38:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:38:53,455 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:38:53,456 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 17:38:53,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:38:53 BoogieIcfgContainer [2019-12-07 17:38:53,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:38:53,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:38:53,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:38:53,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:38:53,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:38:50" (1/3) ... [2019-12-07 17:38:53,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d22198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:38:53, skipping insertion in model container [2019-12-07 17:38:53,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:38:50" (2/3) ... [2019-12-07 17:38:53,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d22198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:38:53, skipping insertion in model container [2019-12-07 17:38:53,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:38:53" (3/3) ... [2019-12-07 17:38:53,461 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2019-12-07 17:38:53,468 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:38:53,472 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:38:53,480 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:38:53,496 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:38:53,496 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:38:53,496 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:38:53,496 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:38:53,496 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:38:53,496 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:38:53,496 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:38:53,496 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:38:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-12-07 17:38:53,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 17:38:53,509 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:38:53,510 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:38:53,510 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:38:53,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:38:53,514 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-12-07 17:38:53,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:38:53,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346834430] [2019-12-07 17:38:53,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/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 [2019-12-07 17:38:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:38:53,822 INFO L264 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 17:38:53,825 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:38:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:38:53,834 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:38:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:38:53,837 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346834430] [2019-12-07 17:38:53,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:38:53,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 17:38:53,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924890714] [2019-12-07 17:38:53,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:38:53,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:38:53,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:38:53,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:38:53,851 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-12-07 17:38:53,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:38:53,866 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-12-07 17:38:53,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:38:53,868 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 17:38:53,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:38:53,878 INFO L225 Difference]: With dead ends: 96 [2019-12-07 17:38:53,878 INFO L226 Difference]: Without dead ends: 46 [2019-12-07 17:38:53,881 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:38:53,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-07 17:38:53,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-12-07 17:38:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-07 17:38:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-12-07 17:38:53,914 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-12-07 17:38:53,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:38:53,914 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-12-07 17:38:53,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:38:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-12-07 17:38:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 17:38:53,915 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:38:53,915 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:38:54,116 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:38:54,116 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:38:54,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:38:54,117 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-12-07 17:38:54,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:38:54,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720791200] [2019-12-07 17:38:54,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/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 [2019-12-07 17:38:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:38:54,464 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 17:38:54,466 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:38:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:38:54,542 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:39:10,911 WARN L192 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 10 [2019-12-07 17:39:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:39:10,924 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720791200] [2019-12-07 17:39:10,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:39:10,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 17:39:10,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004747905] [2019-12-07 17:39:10,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 17:39:10,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:39:10,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 17:39:10,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=67, Unknown=2, NotChecked=0, Total=90 [2019-12-07 17:39:10,926 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 10 states. [2019-12-07 17:39:14,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:39:14,029 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2019-12-07 17:39:14,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 17:39:14,030 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-12-07 17:39:14,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:39:14,031 INFO L225 Difference]: With dead ends: 51 [2019-12-07 17:39:14,031 INFO L226 Difference]: Without dead ends: 46 [2019-12-07 17:39:14,032 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=48, Invalid=106, Unknown=2, NotChecked=0, Total=156 [2019-12-07 17:39:14,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-07 17:39:14,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-12-07 17:39:14,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-07 17:39:14,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2019-12-07 17:39:14,037 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 9 [2019-12-07 17:39:14,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:39:14,037 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2019-12-07 17:39:14,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 17:39:14,037 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2019-12-07 17:39:14,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 17:39:14,038 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:39:14,038 INFO L410 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] [2019-12-07 17:39:14,238 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 17:39:14,239 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:39:14,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:39:14,240 INFO L82 PathProgramCache]: Analyzing trace with hash -677928537, now seen corresponding path program 1 times [2019-12-07 17:39:14,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:39:14,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199873507] [2019-12-07 17:39:14,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/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 [2019-12-07 17:39:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:39:14,350 INFO L264 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 17:39:14,352 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:39:14,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:39:14,406 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:39:16,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:39:16,465 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199873507] [2019-12-07 17:39:16,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:39:16,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 17:39:16,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928659207] [2019-12-07 17:39:16,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 17:39:16,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:39:16,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 17:39:16,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2019-12-07 17:39:16,466 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. Second operand 6 states. [2019-12-07 17:39:16,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:39:16,516 INFO L93 Difference]: Finished difference Result 46 states and 62 transitions. [2019-12-07 17:39:16,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:39:16,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-12-07 17:39:16,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:39:16,516 INFO L225 Difference]: With dead ends: 46 [2019-12-07 17:39:16,516 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:39:16,517 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2019-12-07 17:39:16,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:39:16,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:39:16,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:39:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:39:16,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-12-07 17:39:16,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:39:16,517 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:39:16,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 17:39:16,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:39:16,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:39:16,718 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 17:39:16,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:39:16,835 INFO L246 CegarLoopResult]: For program point L93(lines 93 94) no Hoare annotation was computed. [2019-12-07 17:39:16,835 INFO L246 CegarLoopResult]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2019-12-07 17:39:16,835 INFO L242 CegarLoopResult]: At program point L85-2(lines 85 101) the Hoare annotation is: false [2019-12-07 17:39:16,835 INFO L246 CegarLoopResult]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2019-12-07 17:39:16,835 INFO L246 CegarLoopResult]: For program point L110(lines 110 115) no Hoare annotation was computed. [2019-12-07 17:39:16,835 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:39:16,836 INFO L246 CegarLoopResult]: For program point L61(lines 61 64) no Hoare annotation was computed. [2019-12-07 17:39:16,836 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:39:16,836 INFO L246 CegarLoopResult]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2019-12-07 17:39:16,836 INFO L246 CegarLoopResult]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2019-12-07 17:39:16,836 INFO L242 CegarLoopResult]: At program point L28-2(lines 28 33) the Hoare annotation is: (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 17:39:16,836 INFO L246 CegarLoopResult]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2019-12-07 17:39:16,836 INFO L246 CegarLoopResult]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2019-12-07 17:39:16,836 INFO L242 CegarLoopResult]: At program point L53-3(lines 53 54) the Hoare annotation is: false [2019-12-07 17:39:16,836 INFO L246 CegarLoopResult]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2019-12-07 17:39:16,837 INFO L246 CegarLoopResult]: For program point L144(lines 144 147) no Hoare annotation was computed. [2019-12-07 17:39:16,837 INFO L246 CegarLoopResult]: For program point L111(lines 111 112) no Hoare annotation was computed. [2019-12-07 17:39:16,837 INFO L246 CegarLoopResult]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2019-12-07 17:39:16,837 INFO L246 CegarLoopResult]: For program point L103(lines 103 117) no Hoare annotation was computed. [2019-12-07 17:39:16,837 INFO L246 CegarLoopResult]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-12-07 17:39:16,837 INFO L246 CegarLoopResult]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2019-12-07 17:39:16,837 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-12-07 17:39:16,837 INFO L242 CegarLoopResult]: At program point L129(lines 22 130) the Hoare annotation is: (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) (= |ULTIMATE.start___ieee754_sqrt_#res| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 17:39:16,837 INFO L246 CegarLoopResult]: For program point L88(lines 88 97) no Hoare annotation was computed. [2019-12-07 17:39:16,837 INFO L246 CegarLoopResult]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2019-12-07 17:39:16,838 INFO L246 CegarLoopResult]: For program point L47(lines 47 58) no Hoare annotation was computed. [2019-12-07 17:39:16,838 INFO L246 CegarLoopResult]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2019-12-07 17:39:16,838 INFO L246 CegarLoopResult]: For program point L105(lines 105 116) no Hoare annotation was computed. [2019-12-07 17:39:16,838 INFO L246 CegarLoopResult]: For program point L39(lines 39 44) no Hoare annotation was computed. [2019-12-07 17:39:16,838 INFO L242 CegarLoopResult]: At program point L72-2(lines 72 82) the Hoare annotation is: false [2019-12-07 17:39:16,838 INFO L246 CegarLoopResult]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2019-12-07 17:39:16,838 INFO L246 CegarLoopResult]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2019-12-07 17:39:16,838 INFO L242 CegarLoopResult]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-12-07 17:39:16,838 INFO L246 CegarLoopResult]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-12-07 17:39:16,838 INFO L246 CegarLoopResult]: For program point L40(lines 40 43) no Hoare annotation was computed. [2019-12-07 17:39:16,838 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:39:16,838 INFO L246 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-12-07 17:39:16,839 INFO L246 CegarLoopResult]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2019-12-07 17:39:16,839 INFO L242 CegarLoopResult]: At program point L123-2(lines 123 128) the Hoare annotation is: false [2019-12-07 17:39:16,839 INFO L246 CegarLoopResult]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-12-07 17:39:16,839 INFO L246 CegarLoopResult]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2019-12-07 17:39:16,839 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-12-07 17:39:16,839 INFO L246 CegarLoopResult]: For program point L107(lines 107 115) no Hoare annotation was computed. [2019-12-07 17:39:16,839 INFO L246 CegarLoopResult]: For program point L74(lines 74 78) no Hoare annotation was computed. [2019-12-07 17:39:16,839 INFO L246 CegarLoopResult]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2019-12-07 17:39:16,839 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:39:16,839 INFO L249 CegarLoopResult]: At program point L149(lines 132 150) the Hoare annotation is: true [2019-12-07 17:39:16,839 INFO L246 CegarLoopResult]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-12-07 17:39:16,840 INFO L242 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) (= |ULTIMATE.start___ieee754_sqrt_#res| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2019-12-07 17:39:16,846 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,852 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,852 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,852 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,853 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,853 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,856 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,856 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:39:16 BoogieIcfgContainer [2019-12-07 17:39:16,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:39:16,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:39:16,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:39:16,861 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:39:16,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:38:53" (3/4) ... [2019-12-07 17:39:16,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:39:16,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-12-07 17:39:16,876 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 17:39:16,876 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:39:16,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 17:39:16,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2019-12-07 17:39:16,924 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d5294f86-ea3f-4b51-9fd3-cea80ea849c2/bin/uautomizer/witness.graphml [2019-12-07 17:39:16,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:39:16,925 INFO L168 Benchmark]: Toolchain (without parser) took 26809.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 953.7 MB in the beginning and 976.7 MB in the end (delta: -23.0 MB). Peak memory consumption was 126.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:39:16,926 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:39:16,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:39:16,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.41 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. [2019-12-07 17:39:16,926 INFO L168 Benchmark]: Boogie Preprocessor took 26.37 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:39:16,927 INFO L168 Benchmark]: RCFGBuilder took 3049.70 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: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:39:16,927 INFO L168 Benchmark]: TraceAbstraction took 23403.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.3 MB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:39:16,927 INFO L168 Benchmark]: Witness Printer took 63.68 ms. Allocated memory is still 1.2 GB. Free memory was 983.3 MB in the beginning and 976.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:39:16,928 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 232.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.41 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. * Boogie Preprocessor took 26.37 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3049.70 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: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23403.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.3 MB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. * Witness Printer took 63.68 ms. Allocated memory is still 1.2 GB. Free memory was 983.3 MB in the beginning and 976.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * 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 [2019-12-07 17:39:16,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2019-12-07 17:39:16,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 18]: Loop Invariant [2019-12-07 17:39:16,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:39:16,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:39:16,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: SAFE, OverallTime: 23.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 127 SDtfs, 72 SDslu, 225 SDs, 0 SdLazy, 48 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 75 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 4 QuantifiedInterpolants, 4186 SizeOfPredicates, 16 NumberOfNonLiveVariables, 128 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...