./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.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_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 ............................................................................................................................................................................................................................................................................................. 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_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:26:39,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:39,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:39,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:39,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:39,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:39,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:39,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:39,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:39,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:39,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:39,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:39,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:39,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:39,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:39,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:39,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:39,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:39,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:39,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:39,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:39,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:39,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:39,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:39,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:39,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:39,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:39,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:39,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:39,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:39,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:39,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:39,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:39,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:39,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:39,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:39,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:39,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:39,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:39,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:39,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:39,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:39,383 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:39,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:39,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:39,384 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:39,384 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:39,384 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:39,385 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:39,385 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:39,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:39,385 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:39,385 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:39,385 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:39,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:39,388 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:39,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:39,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:39,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:39,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:39,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:39,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:39,389 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:39,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:39,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:39,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:39,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:39,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:39,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:39,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:39,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:39,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:39,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:39,391 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:39,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:39,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:39,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:39,391 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan 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 -> Taipan 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 -> fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 [2019-10-22 11:26:39,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:39,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:39,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:39,445 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:39,445 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:39,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2019-10-22 11:26:39,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/data/f5998370b/dc3148917c1e4e438ab5ac1ef593202f/FLAG2a87e19f7 [2019-10-22 11:26:39,896 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:39,897 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2019-10-22 11:26:39,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/data/f5998370b/dc3148917c1e4e438ab5ac1ef593202f/FLAG2a87e19f7 [2019-10-22 11:26:39,918 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/data/f5998370b/dc3148917c1e4e438ab5ac1ef593202f [2019-10-22 11:26:39,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:39,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:39,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:39,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:39,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:39,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:39" (1/1) ... [2019-10-22 11:26:39,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648a5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:39, skipping insertion in model container [2019-10-22 11:26:39,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:39" (1/1) ... [2019-10-22 11:26:39,943 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:39,966 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:40,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:40,168 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:40,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:40,209 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:40,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:40 WrapperNode [2019-10-22 11:26:40,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:40,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:40,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:40,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:40,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:40" (1/1) ... [2019-10-22 11:26:40,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:40" (1/1) ... [2019-10-22 11:26:40,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:40,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:40,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:40,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:40,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:40" (1/1) ... [2019-10-22 11:26:40,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:40" (1/1) ... [2019-10-22 11:26:40,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:40" (1/1) ... [2019-10-22 11:26:40,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:40" (1/1) ... [2019-10-22 11:26:40,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:40" (1/1) ... [2019-10-22 11:26:40,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:40" (1/1) ... [2019-10-22 11:26:40,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:40" (1/1) ... [2019-10-22 11:26:40,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:40,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:40,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:40,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:40,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/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 11:26:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 11:26:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:26:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 11:26:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:26:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:26:40,629 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:40,629 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-10-22 11:26:40,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:40 BoogieIcfgContainer [2019-10-22 11:26:40,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:40,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:40,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:40,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:40,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:39" (1/3) ... [2019-10-22 11:26:40,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a138d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:40, skipping insertion in model container [2019-10-22 11:26:40,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:40" (2/3) ... [2019-10-22 11:26:40,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a138d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:40, skipping insertion in model container [2019-10-22 11:26:40,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:40" (3/3) ... [2019-10-22 11:26:40,639 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072b.c [2019-10-22 11:26:40,648 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:40,656 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:26:40,667 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:26:40,702 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:40,702 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:40,703 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:40,703 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:40,703 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:40,703 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:40,703 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:40,703 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-10-22 11:26:40,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 11:26:40,729 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:40,730 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:40,732 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:40,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:40,741 INFO L82 PathProgramCache]: Analyzing trace with hash 936253238, now seen corresponding path program 1 times [2019-10-22 11:26:40,749 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:40,750 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794211385] [2019-10-22 11:26:40,750 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,751 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:40,860 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 11:26:40,861 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794211385] [2019-10-22 11:26:40,862 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:40,862 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:40,863 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404401639] [2019-10-22 11:26:40,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:40,869 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:40,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:40,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:40,886 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-10-22 11:26:40,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:40,908 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-10-22 11:26:40,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:40,909 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-10-22 11:26:40,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:40,918 INFO L225 Difference]: With dead ends: 46 [2019-10-22 11:26:40,919 INFO L226 Difference]: Without dead ends: 21 [2019-10-22 11:26:40,922 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 11:26:40,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-22 11:26:40,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-22 11:26:40,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-22 11:26:40,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-10-22 11:26:40,954 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2019-10-22 11:26:40,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:40,954 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-10-22 11:26:40,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:40,955 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-10-22 11:26:40,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:26:40,955 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:40,955 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:40,955 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:40,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:40,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1792517302, now seen corresponding path program 1 times [2019-10-22 11:26:40,956 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:40,956 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546449629] [2019-10-22 11:26:40,956 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,956 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:40,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:41,099 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:26:41,099 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:26:41,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:41 BoogieIcfgContainer [2019-10-22 11:26:41,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:41,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:41,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:41,124 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:41,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:40" (3/4) ... [2019-10-22 11:26:41,128 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:26:41,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:41,130 INFO L168 Benchmark]: Toolchain (without parser) took 1204.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -143.8 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:41,130 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:41,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:41,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.75 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 11:26:41,135 INFO L168 Benchmark]: Boogie Preprocessor took 31.78 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:41,135 INFO L168 Benchmark]: RCFGBuilder took 352.04 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 11:26:41,136 INFO L168 Benchmark]: TraceAbstraction took 491.36 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:41,136 INFO L168 Benchmark]: Witness Printer took 4.48 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 11:26:41,139 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.78 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 352.04 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 491.36 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.48 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: 66]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseAnd at line 50. Possible FailurePath: [L61] float x = -1.0f / 0.0f; [L12] __int32_t signbit, w, exponent_less_127; [L14] ieee_float_shape_type gf_u; [L15] gf_u.value = (x) [L16] EXPR gf_u.word [L16] (w) = gf_u.word [L18] signbit = w & 0x80000000 [L19] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L20] COND FALSE !(exponent_less_127 < 23) [L36] COND TRUE exponent_less_127 == 255 [L37] return x + x; [L62] float res = trunc_float(x); [L44] __int32_t ix; [L46] ieee_float_shape_type gf_u; [L47] gf_u.value = (x) [L48] EXPR gf_u.word [L48] (ix) = gf_u.word [L50] ix &= 0x7fffffff [L51] return ((ix) == 0x7f800000L); [L65] COND TRUE !isinf_float(res) [L66] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, 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, 0.0s 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 11:26:43,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:43,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:43,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:43,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:43,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:43,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:43,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:43,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:43,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:43,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:43,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:43,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:43,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:43,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:43,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:43,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:43,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:43,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:43,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:43,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:43,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:43,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:43,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:43,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:43,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:43,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:43,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:43,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:43,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:43,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:43,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:43,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:43,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:43,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:43,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:43,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:43,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:43,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:43,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:43,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:43,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:26:43,139 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:43,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:43,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:43,140 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:43,140 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:43,141 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:43,141 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:43,141 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:43,141 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:43,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:43,142 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:43,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:43,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:43,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:43,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:43,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:43,143 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:26:43,143 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:26:43,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:43,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:43,143 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:26:43,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:43,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:43,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:43,144 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:43,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:43,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:43,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:43,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:43,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:43,145 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:26:43,145 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:26:43,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:43,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:43,146 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_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan 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 -> Taipan 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 -> fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 [2019-10-22 11:26:43,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:43,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:43,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:43,192 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:43,193 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:43,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2019-10-22 11:26:43,254 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/data/762dd3e60/09058be96ddd401eb508d5d50e6e0fca/FLAGef1370533 [2019-10-22 11:26:43,625 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:43,626 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2019-10-22 11:26:43,630 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/data/762dd3e60/09058be96ddd401eb508d5d50e6e0fca/FLAGef1370533 [2019-10-22 11:26:44,102 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/data/762dd3e60/09058be96ddd401eb508d5d50e6e0fca [2019-10-22 11:26:44,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:44,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:44,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:44,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:44,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:44,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:44" (1/1) ... [2019-10-22 11:26:44,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61085902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44, skipping insertion in model container [2019-10-22 11:26:44,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:44" (1/1) ... [2019-10-22 11:26:44,120 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:44,135 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:44,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:44,300 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:44,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:44,341 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:44,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44 WrapperNode [2019-10-22 11:26:44,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:44,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:44,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:44,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:44,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44" (1/1) ... [2019-10-22 11:26:44,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44" (1/1) ... [2019-10-22 11:26:44,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:44,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:44,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:44,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:44,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44" (1/1) ... [2019-10-22 11:26:44,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44" (1/1) ... [2019-10-22 11:26:44,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44" (1/1) ... [2019-10-22 11:26:44,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44" (1/1) ... [2019-10-22 11:26:44,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44" (1/1) ... [2019-10-22 11:26:44,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44" (1/1) ... [2019-10-22 11:26:44,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44" (1/1) ... [2019-10-22 11:26:44,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:44,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:44,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:44,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:44,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/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 11:26:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:26:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 11:26:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 11:26:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:26:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:26:44,789 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:44,790 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-10-22 11:26:44,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:44 BoogieIcfgContainer [2019-10-22 11:26:44,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:44,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:44,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:44,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:44,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:44" (1/3) ... [2019-10-22 11:26:44,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:44, skipping insertion in model container [2019-10-22 11:26:44,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:44" (2/3) ... [2019-10-22 11:26:44,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:44, skipping insertion in model container [2019-10-22 11:26:44,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:44" (3/3) ... [2019-10-22 11:26:44,807 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072b.c [2019-10-22 11:26:44,816 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:44,824 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:26:44,833 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:26:44,854 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:44,854 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:44,854 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:44,855 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:44,855 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:44,855 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:44,855 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:44,855 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-10-22 11:26:44,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 11:26:44,873 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:44,874 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:44,876 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:44,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:44,881 INFO L82 PathProgramCache]: Analyzing trace with hash 936253238, now seen corresponding path program 1 times [2019-10-22 11:26:44,889 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:44,889 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475026986] [2019-10-22 11:26:44,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/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 11:26:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:44,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:26:44,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:44,973 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 11:26:44,973 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:44,977 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 11:26:44,978 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475026986] [2019-10-22 11:26:44,979 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:44,979 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:26:44,979 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366572257] [2019-10-22 11:26:44,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:44,983 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:44,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:44,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:44,997 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-10-22 11:26:45,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:45,014 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-10-22 11:26:45,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:45,015 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-10-22 11:26:45,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:45,024 INFO L225 Difference]: With dead ends: 46 [2019-10-22 11:26:45,024 INFO L226 Difference]: Without dead ends: 21 [2019-10-22 11:26:45,026 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 11:26:45,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-22 11:26:45,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-22 11:26:45,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-22 11:26:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-10-22 11:26:45,056 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2019-10-22 11:26:45,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:45,056 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-10-22 11:26:45,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-10-22 11:26:45,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:26:45,057 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:45,057 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:45,258 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 11:26:45,258 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:45,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:45,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1792517302, now seen corresponding path program 1 times [2019-10-22 11:26:45,259 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:45,260 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255672108] [2019-10-22 11:26:45,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/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 11:26:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:45,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:26:45,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:45,446 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 11:26:45,446 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:45,472 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 11:26:45,473 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255672108] [2019-10-22 11:26:45,473 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:45,473 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 3] imperfect sequences [] total 6 [2019-10-22 11:26:45,473 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703847606] [2019-10-22 11:26:45,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:45,475 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:45,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:45,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:45,480 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 6 states. [2019-10-22 11:26:45,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:45,569 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2019-10-22 11:26:45,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:45,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-10-22 11:26:45,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:45,570 INFO L225 Difference]: With dead ends: 30 [2019-10-22 11:26:45,571 INFO L226 Difference]: Without dead ends: 16 [2019-10-22 11:26:45,572 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 11:26:45,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-10-22 11:26:45,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-10-22 11:26:45,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-10-22 11:26:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-10-22 11:26:45,578 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-10-22 11:26:45,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:45,579 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-10-22 11:26:45,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-10-22 11:26:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 11:26:45,579 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:45,580 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:45,782 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 11:26:45,782 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:45,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:45,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1848622454, now seen corresponding path program 1 times [2019-10-22 11:26:45,783 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:45,784 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813894978] [2019-10-22 11:26:45,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/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 11:26:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:45,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-22 11:26:45,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:45,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:45,922 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 11:26:45,922 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:46,105 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 11:26:46,105 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813894978] [2019-10-22 11:26:46,106 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:46,106 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-10-22 11:26:46,106 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841308130] [2019-10-22 11:26:46,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-22 11:26:46,107 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:46,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-22 11:26:46,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:26:46,111 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 14 states. [2019-10-22 11:26:46,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:46,316 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-10-22 11:26:46,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:26:46,316 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2019-10-22 11:26:46,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:46,317 INFO L225 Difference]: With dead ends: 16 [2019-10-22 11:26:46,317 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:26:46,317 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2019-10-22 11:26:46,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:26:46,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:26:46,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:26:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:26:46,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-10-22 11:26:46,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:46,319 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:26:46,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-22 11:26:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:26:46,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:26:46,520 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 11:26:46,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:26:46,666 INFO L443 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2019-10-22 11:26:46,667 INFO L439 ceAbstractionStarter]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2019-10-22 11:26:46,667 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 66) no Hoare annotation was computed. [2019-10-22 11:26:46,667 INFO L443 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2019-10-22 11:26:46,667 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2019-10-22 11:26:46,667 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:26:46,668 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:26:46,668 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:26:46,668 INFO L443 ceAbstractionStarter]: For program point L20(lines 20 38) no Hoare annotation was computed. [2019-10-22 11:26:46,668 INFO L443 ceAbstractionStarter]: For program point L20-1(lines 20 38) no Hoare annotation was computed. [2019-10-22 11:26:46,668 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 45 49) no Hoare annotation was computed. [2019-10-22 11:26:46,670 INFO L439 ceAbstractionStarter]: At program point L45-2(lines 45 49) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (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 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))))) (= .cse0 ULTIMATE.start_isinf_float_~x) (= .cse0 ULTIMATE.start_trunc_float_~x) (= .cse0 |ULTIMATE.start_trunc_float_#res|) (= (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 11:26:46,670 INFO L443 ceAbstractionStarter]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2019-10-22 11:26:46,670 INFO L446 ceAbstractionStarter]: At program point L70(lines 54 71) the Hoare annotation is: true [2019-10-22 11:26:46,670 INFO L443 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2019-10-22 11:26:46,670 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:26:46,670 INFO L443 ceAbstractionStarter]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2019-10-22 11:26:46,671 INFO L439 ceAbstractionStarter]: At program point L29-2(lines 29 33) the Hoare annotation is: false [2019-10-22 11:26:46,671 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 34) no Hoare annotation was computed. [2019-10-22 11:26:46,671 INFO L443 ceAbstractionStarter]: For program point L13-1(lines 13 17) no Hoare annotation was computed. [2019-10-22 11:26:46,671 INFO L439 ceAbstractionStarter]: At program point L13-2(lines 13 17) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x) [2019-10-22 11:26:46,671 INFO L443 ceAbstractionStarter]: For program point L13-3(lines 13 17) no Hoare annotation was computed. [2019-10-22 11:26:46,672 INFO L439 ceAbstractionStarter]: At program point L51(lines 43 52) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (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 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))))) (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32)) (= .cse0 ULTIMATE.start_isinf_float_~x) (= .cse0 ULTIMATE.start_trunc_float_~x) (= .cse0 |ULTIMATE.start_trunc_float_#res|) (= (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 11:26:46,672 INFO L439 ceAbstractionStarter]: At program point L39(lines 11 40) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (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 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))))) (= .cse0 ULTIMATE.start_trunc_float_~x) (= .cse0 |ULTIMATE.start_trunc_float_#res|) (= (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 11:26:46,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,685 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,687 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,688 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,695 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,695 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,695 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,696 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,697 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,697 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,697 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,705 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,705 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,708 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,711 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,717 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,717 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,724 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,724 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,726 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,726 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,726 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:46 BoogieIcfgContainer [2019-10-22 11:26:46,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:46,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:46,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:46,735 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:46,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:44" (3/4) ... [2019-10-22 11:26:46,739 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:26:46,754 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-10-22 11:26:46,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 11:26:46,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:26:46,789 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\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, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) [2019-10-22 11:26:46,790 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\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, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) [2019-10-22 11:26:46,790 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\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, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) [2019-10-22 11:26:46,820 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e0afab58-d933-4c41-a6f7-cb633ee1ba65/bin/utaipan/witness.graphml [2019-10-22 11:26:46,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:46,823 INFO L168 Benchmark]: Toolchain (without parser) took 2716.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 945.6 MB in the beginning and 995.2 MB in the end (delta: -49.6 MB). Peak memory consumption was 109.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:46,823 INFO L168 Benchmark]: CDTParser took 0.20 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 11:26:46,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.51 ms. Allocated memory is still 1.0 GB. Free memory was 945.6 MB in the beginning and 934.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:46,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 934.9 MB in the beginning and 1.2 GB in the end (delta: -220.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:46,825 INFO L168 Benchmark]: Boogie Preprocessor took 37.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:46,825 INFO L168 Benchmark]: RCFGBuilder took 321.54 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: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:46,825 INFO L168 Benchmark]: TraceAbstraction took 1942.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:46,826 INFO L168 Benchmark]: Witness Printer took 86.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:46,829 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 234.51 ms. Allocated memory is still 1.0 GB. Free memory was 945.6 MB in the beginning and 934.9 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 89.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 934.9 MB in the beginning and 1.2 GB in the end (delta: -220.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 321.54 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: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1942.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * Witness Printer took 86.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 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 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 66]: 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: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 13]: Loop Invariant [2019-10-22 11:26:46,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant [2019-10-22 11:26:46,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,843 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,843 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,843 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,843 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,843 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,846 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,846 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((\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, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant [2019-10-22 11:26:46,849 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,849 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,849 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,850 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,852 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((\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, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 43]: Loop Invariant [2019-10-22 11:26:46,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,856 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,856 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,858 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,858 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-10-22 11:26:46,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:46,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((\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, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~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: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 43 SDtfs, 50 SDslu, 50 SDs, 0 SdLazy, 41 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s 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, 222 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 10 QuantifiedInterpolants, 5612 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...