./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/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 61816a63e70562669051a12493c2c5215c575cb7 ...................................................................................................................................................................................................................................................................................... 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/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/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 61816a63e70562669051a12493c2c5215c575cb7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:57,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:57,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:57,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:57,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:57,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:57,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:57,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:57,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:57,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:57,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:57,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:57,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:57,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:57,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:57,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:57,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:57,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:57,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:57,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:57,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:57,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:57,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:57,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:57,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:57,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:57,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:57,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:57,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:57,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:57,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:57,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:57,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:57,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:57,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:57,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:57,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:57,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:57,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:57,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:57,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:57,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:59:57,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:57,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:57,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:57,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:57,674 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:57,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:57,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:57,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:57,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:57,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:57,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:59:57,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:57,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:59:57,675 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:57,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:57,676 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:57,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:59:57,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:57,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:57,676 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:57,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:57,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:57,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:57,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:57,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:59:57,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:57,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:59:57,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:59:57,678 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/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/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 -> 61816a63e70562669051a12493c2c5215c575cb7 [2019-10-22 08:59:57,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:57,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:57,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:57,720 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:57,720 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:57,721 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2019-10-22 08:59:57,774 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/data/25e45aaad/0b14caf7ad3f479183db8b097772034e/FLAGdd1df84b3 [2019-10-22 08:59:58,169 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:58,170 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2019-10-22 08:59:58,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/data/25e45aaad/0b14caf7ad3f479183db8b097772034e/FLAGdd1df84b3 [2019-10-22 08:59:58,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/data/25e45aaad/0b14caf7ad3f479183db8b097772034e [2019-10-22 08:59:58,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:58,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:58,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:58,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:58,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:58,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:58" (1/1) ... [2019-10-22 08:59:58,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3edd21bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58, skipping insertion in model container [2019-10-22 08:59:58,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:58" (1/1) ... [2019-10-22 08:59:58,205 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:58,222 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:58,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:58,455 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:58,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:58,498 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:58,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58 WrapperNode [2019-10-22 08:59:58,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:58,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:58,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:58,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:58,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58" (1/1) ... [2019-10-22 08:59:58,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58" (1/1) ... [2019-10-22 08:59:58,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:58,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:58,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:58,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:58,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58" (1/1) ... [2019-10-22 08:59:58,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58" (1/1) ... [2019-10-22 08:59:58,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58" (1/1) ... [2019-10-22 08:59:58,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58" (1/1) ... [2019-10-22 08:59:58,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58" (1/1) ... [2019-10-22 08:59:58,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58" (1/1) ... [2019-10-22 08:59:58,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58" (1/1) ... [2019-10-22 08:59:58,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:58,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:58,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:58,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:58,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/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 [2019-10-22 08:59:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 08:59:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:59:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 08:59:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:59:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:59:59,025 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:59,025 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-10-22 08:59:59,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:59 BoogieIcfgContainer [2019-10-22 08:59:59,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:59,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:59:59,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:59:59,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:59:59,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:59:58" (1/3) ... [2019-10-22 08:59:59,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb8a087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:59, skipping insertion in model container [2019-10-22 08:59:59,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:58" (2/3) ... [2019-10-22 08:59:59,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb8a087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:59, skipping insertion in model container [2019-10-22 08:59:59,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:59" (3/3) ... [2019-10-22 08:59:59,035 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072a.c [2019-10-22 08:59:59,065 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:59:59,079 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:59:59,093 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:59:59,137 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:59:59,137 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:59:59,137 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:59:59,137 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:59,138 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:59,138 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:59:59,138 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:59,138 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:59:59,156 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-10-22 08:59:59,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 08:59:59,164 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:59,165 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:59,168 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:59,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:59,176 INFO L82 PathProgramCache]: Analyzing trace with hash 936253238, now seen corresponding path program 1 times [2019-10-22 08:59:59,185 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:59,186 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877651822] [2019-10-22 08:59:59,188 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:59,188 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:59,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:59,320 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877651822] [2019-10-22 08:59:59,321 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:59,322 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:59,322 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055460177] [2019-10-22 08:59:59,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:59:59,327 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:59,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:59:59,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:59:59,345 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-10-22 08:59:59,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:59,370 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-10-22 08:59:59,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:59:59,371 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-10-22 08:59:59,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:59,383 INFO L225 Difference]: With dead ends: 46 [2019-10-22 08:59:59,384 INFO L226 Difference]: Without dead ends: 21 [2019-10-22 08:59:59,388 INFO L600 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 [2019-10-22 08:59:59,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-22 08:59:59,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-22 08:59:59,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-22 08:59:59,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-10-22 08:59:59,428 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2019-10-22 08:59:59,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:59,428 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-10-22 08:59:59,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:59:59,429 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-10-22 08:59:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 08:59:59,429 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:59,429 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:59,430 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:59,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:59,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1792517302, now seen corresponding path program 1 times [2019-10-22 08:59:59,430 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:59,431 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23475518] [2019-10-22 08:59:59,431 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:59,431 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:59,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:59,617 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:59,617 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:59:59,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:59:59 BoogieIcfgContainer [2019-10-22 08:59:59,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:59:59,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:59,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:59,652 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:59,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:59" (3/4) ... [2019-10-22 08:59:59,657 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:59:59,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:59,661 INFO L168 Benchmark]: Toolchain (without parser) took 1469.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -123.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:59,662 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:59,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:59,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.24 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:59,665 INFO L168 Benchmark]: Boogie Preprocessor took 52.47 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:59,666 INFO L168 Benchmark]: RCFGBuilder took 434.32 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:59,667 INFO L168 Benchmark]: TraceAbstraction took 623.14 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:59,668 INFO L168 Benchmark]: Witness Printer took 7.08 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. [2019-10-22 08:59:59,671 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 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.24 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.47 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 434.32 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 623.14 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * Witness Printer took 7.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 67]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 38, overapproximation of bitwiseAnd at line 51. Possible FailurePath: [L62] float x = 1.0f / 0.0f; [L13] __int32_t signbit, w, exponent_less_127; [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L21] COND FALSE !(exponent_less_127 < 23) [L37] COND TRUE exponent_less_127 == 255 [L38] return x + x; [L63] float res = trunc_float(x); [L45] __int32_t ix; [L47] ieee_float_shape_type gf_u; [L48] gf_u.value = (x) [L49] EXPR gf_u.word [L49] (ix) = gf_u.word [L51] ix &= 0x7fffffff [L52] return ((ix) == 0x7f800000L); [L66] COND TRUE !isinf_float(res) [L67] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 26 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=24occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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 0.1.24-cad4683 [2019-10-22 09:00:02,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:02,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:02,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:02,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:02,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:02,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:02,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:02,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:02,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:02,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:02,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:02,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:02,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:02,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:02,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:02,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:02,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:02,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:02,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:02,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:02,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:02,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:02,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:02,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:02,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:02,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:02,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:02,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:02,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:02,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:02,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:02,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:02,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:02,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:02,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:02,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:02,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:02,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:02,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:02,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:02,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 09:00:02,119 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:02,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:02,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:02,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:02,124 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:02,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:02,125 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:02,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:02,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:02,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:02,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:02,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:02,126 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:00:02,126 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:00:02,126 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:02,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:02,127 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:02,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:02,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:02,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:02,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:02,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:02,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:02,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:02,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:02,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:02,129 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:00:02,129 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:00:02,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:02,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:00:02,130 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/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/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 -> 61816a63e70562669051a12493c2c5215c575cb7 [2019-10-22 09:00:02,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:02,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:02,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:02,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:02,206 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:02,207 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2019-10-22 09:00:02,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/data/effbbda77/87f0b2a296934f6ca5a95aa197358fe7/FLAGd79fa32eb [2019-10-22 09:00:02,704 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:02,705 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2019-10-22 09:00:02,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/data/effbbda77/87f0b2a296934f6ca5a95aa197358fe7/FLAGd79fa32eb [2019-10-22 09:00:03,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/data/effbbda77/87f0b2a296934f6ca5a95aa197358fe7 [2019-10-22 09:00:03,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:03,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:03,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:03,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:03,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:03,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689f60cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03, skipping insertion in model container [2019-10-22 09:00:03,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,101 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:03,119 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:03,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:03,341 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:03,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:03,409 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:03,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03 WrapperNode [2019-10-22 09:00:03,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:03,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:03,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:03,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:03,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:03,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:03,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:03,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:03,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:03,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:03,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:03,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:03,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/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 [2019-10-22 09:00:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 09:00:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 09:00:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 09:00:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 09:00:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:00:03,976 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:03,976 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-10-22 09:00:03,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:03 BoogieIcfgContainer [2019-10-22 09:00:03,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:03,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:03,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:03,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:03,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:03" (1/3) ... [2019-10-22 09:00:03,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbb8c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:03, skipping insertion in model container [2019-10-22 09:00:03,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03" (2/3) ... [2019-10-22 09:00:03,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbb8c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:03, skipping insertion in model container [2019-10-22 09:00:03,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:03" (3/3) ... [2019-10-22 09:00:03,985 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072a.c [2019-10-22 09:00:03,995 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:04,002 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:00:04,014 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:00:04,048 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:04,048 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:04,049 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:04,049 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:04,049 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:04,049 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:04,049 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:04,049 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:04,084 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-10-22 09:00:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 09:00:04,091 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:04,092 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:04,094 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:04,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:04,098 INFO L82 PathProgramCache]: Analyzing trace with hash 936253238, now seen corresponding path program 1 times [2019-10-22 09:00:04,107 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:04,107 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090898784] [2019-10-22 09:00:04,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/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 [2019-10-22 09:00:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:04,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 09:00:04,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:04,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:04,224 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:00:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:04,229 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090898784] [2019-10-22 09:00:04,230 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:04,231 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 09:00:04,231 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489786323] [2019-10-22 09:00:04,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:04,235 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:00:04,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:04,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:04,252 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-10-22 09:00:04,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:04,272 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-10-22 09:00:04,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:04,274 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-10-22 09:00:04,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:04,285 INFO L225 Difference]: With dead ends: 46 [2019-10-22 09:00:04,285 INFO L226 Difference]: Without dead ends: 21 [2019-10-22 09:00:04,288 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:04,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-22 09:00:04,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-22 09:00:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-22 09:00:04,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-10-22 09:00:04,323 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2019-10-22 09:00:04,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:04,324 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-10-22 09:00:04,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:04,324 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-10-22 09:00:04,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 09:00:04,325 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:04,325 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:04,533 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 09:00:04,533 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:04,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:04,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1792517302, now seen corresponding path program 1 times [2019-10-22 09:00:04,534 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:04,535 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087832333] [2019-10-22 09:00:04,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/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 [2019-10-22 09:00:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:04,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 09:00:04,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:04,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:04,714 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:00:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:04,735 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087832333] [2019-10-22 09:00:04,735 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:04,736 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 3] imperfect sequences [] total 6 [2019-10-22 09:00:04,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875408250] [2019-10-22 09:00:04,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:04,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:00:04,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:04,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:04,739 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 6 states. [2019-10-22 09:00:04,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:04,834 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2019-10-22 09:00:04,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:00:04,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-10-22 09:00:04,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:04,836 INFO L225 Difference]: With dead ends: 30 [2019-10-22 09:00:04,836 INFO L226 Difference]: Without dead ends: 16 [2019-10-22 09:00:04,837 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:04,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-10-22 09:00:04,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-10-22 09:00:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-10-22 09:00:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-10-22 09:00:04,843 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-10-22 09:00:04,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:04,843 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-10-22 09:00:04,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:04,844 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-10-22 09:00:04,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 09:00:04,845 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:04,845 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:05,051 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 09:00:05,052 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:05,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:05,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1848622454, now seen corresponding path program 1 times [2019-10-22 09:00:05,053 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:05,053 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162133601] [2019-10-22 09:00:05,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/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 [2019-10-22 09:00:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:05,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-22 09:00:05,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:05,179 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:05,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:05,221 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:00:05,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:05,444 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162133601] [2019-10-22 09:00:05,444 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:05,444 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-10-22 09:00:05,445 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712299723] [2019-10-22 09:00:05,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-22 09:00:05,445 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:00:05,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-22 09:00:05,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-10-22 09:00:05,446 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 14 states. [2019-10-22 09:00:05,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:05,677 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-10-22 09:00:05,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:00:05,677 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2019-10-22 09:00:05,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:05,678 INFO L225 Difference]: With dead ends: 16 [2019-10-22 09:00:05,678 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:00:05,683 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2019-10-22 09:00:05,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:00:05,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:00:05,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:00:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:00:05,684 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-10-22 09:00:05,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:05,684 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:05,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-22 09:00:05,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:05,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:05,899 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 09:00:05,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:00:06,036 INFO L439 ceAbstractionStarter]: At program point L52(lines 44 53) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= ULTIMATE.start_isinf_float_~x .cse0) (= |ULTIMATE.start_trunc_float_#res| .cse0) (= ULTIMATE.start_trunc_float_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)) .cse0) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))))) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) .cse0))) [2019-10-22 09:00:06,036 INFO L439 ceAbstractionStarter]: At program point L40(lines 12 41) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= |ULTIMATE.start_trunc_float_#res| .cse0) (= ULTIMATE.start_trunc_float_~x .cse0) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))))) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) .cse0))) [2019-10-22 09:00:06,036 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:00:06,037 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:00:06,037 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:00:06,037 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2019-10-22 09:00:06,037 INFO L439 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2019-10-22 09:00:06,037 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-10-22 09:00:06,037 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 69) no Hoare annotation was computed. [2019-10-22 09:00:06,038 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:00:06,038 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 39) no Hoare annotation was computed. [2019-10-22 09:00:06,038 INFO L443 ceAbstractionStarter]: For program point L21-1(lines 21 39) no Hoare annotation was computed. [2019-10-22 09:00:06,038 INFO L443 ceAbstractionStarter]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2019-10-22 09:00:06,038 INFO L439 ceAbstractionStarter]: At program point L46-2(lines 46 50) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= ULTIMATE.start_isinf_float_~x .cse0) (= |ULTIMATE.start_trunc_float_#res| .cse0) (= ULTIMATE.start_trunc_float_~x .cse0) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))))) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) .cse0))) [2019-10-22 09:00:06,039 INFO L443 ceAbstractionStarter]: For program point L46-3(lines 46 50) no Hoare annotation was computed. [2019-10-22 09:00:06,039 INFO L446 ceAbstractionStarter]: At program point L71(lines 55 72) the Hoare annotation is: true [2019-10-22 09:00:06,039 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 09:00:06,040 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 67) no Hoare annotation was computed. [2019-10-22 09:00:06,040 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 30 34) no Hoare annotation was computed. [2019-10-22 09:00:06,040 INFO L439 ceAbstractionStarter]: At program point L30-2(lines 30 34) the Hoare annotation is: false [2019-10-22 09:00:06,040 INFO L443 ceAbstractionStarter]: For program point L22(lines 22 35) no Hoare annotation was computed. [2019-10-22 09:00:06,040 INFO L443 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2019-10-22 09:00:06,040 INFO L439 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: (= ULTIMATE.start_trunc_float_~x (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2019-10-22 09:00:06,041 INFO L443 ceAbstractionStarter]: For program point L14-3(lines 14 18) no Hoare annotation was computed. [2019-10-22 09:00:06,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,077 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,077 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,077 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,078 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,078 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:06 BoogieIcfgContainer [2019-10-22 09:00:06,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:06,090 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:06,090 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:06,090 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:06,091 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:03" (3/4) ... [2019-10-22 09:00:06,095 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:06,107 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-10-22 09:00:06,107 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 09:00:06,108 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:00:06,140 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) [2019-10-22 09:00:06,140 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) [2019-10-22 09:00:06,141 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) [2019-10-22 09:00:06,167 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_08ec90b4-1f3f-43eb-9a69-7eee0fe106f3/bin/uautomizer/witness.graphml [2019-10-22 09:00:06,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:06,169 INFO L168 Benchmark]: Toolchain (without parser) took 3086.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 942.9 MB in the beginning and 978.1 MB in the end (delta: -35.1 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:06,170 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:06,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.13 ms. Allocated memory is still 1.0 GB. Free memory was 942.9 MB in the beginning and 932.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:06,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 932.2 MB in the beginning and 1.1 GB in the end (delta: -198.7 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:06,171 INFO L168 Benchmark]: Boogie Preprocessor took 56.40 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. [2019-10-22 09:00:06,172 INFO L168 Benchmark]: RCFGBuilder took 391.05 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: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:06,172 INFO L168 Benchmark]: TraceAbstraction took 2110.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.1 MB in the end (delta: 120.3 MB). Peak memory consumption was 120.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:06,173 INFO L168 Benchmark]: Witness Printer took 77.57 ms. Allocated memory is still 1.2 GB. Free memory is still 978.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:06,175 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 325.13 ms. Allocated memory is still 1.0 GB. Free memory was 942.9 MB in the beginning and 932.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 932.2 MB in the beginning and 1.1 GB in the end (delta: -198.7 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.40 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 391.05 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: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2110.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.1 MB in the end (delta: 120.3 MB). Peak memory consumption was 120.3 MB. Max. memory is 11.5 GB. * Witness Printer took 77.57 ms. Allocated memory is still 1.2 GB. Free memory is still 978.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 67]: 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: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant [2019-10-22 09:00:06,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant [2019-10-22 09:00:06,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,189 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,189 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,189 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,189 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,191 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,192 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,192 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,192 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,193 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,193 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,194 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,194 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,194 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,194 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2019-10-22 09:00:06,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,201 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 44]: Loop Invariant [2019-10-22 09:00:06,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 09:00:06,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:00:06,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Result: SAFE, OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 43 SDtfs, 51 SDslu, 50 SDs, 0 SdLazy, 39 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 214 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 10 QuantifiedInterpolants, 5407 SizeOfPredicates, 15 NumberOfNonLiveVariables, 109 ConjunctsInSsa, 23 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...