./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1211b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1211b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/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 206a1fa9646ae2b913e15c72bee749b0ae7b465a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1211b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/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 206a1fa9646ae2b913e15c72bee749b0ae7b465a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:57:50,290 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:57:50,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:57:50,299 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:57:50,299 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:57:50,300 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:57:50,301 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:57:50,302 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:57:50,303 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:57:50,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:57:50,304 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:57:50,304 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:57:50,305 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:57:50,305 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:57:50,306 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:57:50,306 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:57:50,307 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:57:50,308 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:57:50,309 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:57:50,310 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:57:50,311 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:57:50,312 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:57:50,313 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:57:50,314 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:57:50,314 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:57:50,314 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:57:50,315 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:57:50,315 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:57:50,316 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:57:50,317 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:57:50,317 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:57:50,317 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:57:50,317 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:57:50,318 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:57:50,318 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:57:50,319 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:57:50,319 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 11:57:50,328 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:57:50,328 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:57:50,329 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:57:50,329 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:57:50,329 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:57:50,329 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:57:50,330 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 11:57:50,330 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:57:50,330 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 11:57:50,330 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 11:57:50,330 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:57:50,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:57:50,331 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:57:50,331 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:57:50,331 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:57:50,331 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:57:50,331 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:57:50,331 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:57:50,331 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:57:50,331 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:57:50,332 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:57:50,332 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:57:50,332 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:57:50,332 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:57:50,332 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:57:50,332 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:57:50,332 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:57:50,333 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:57:50,333 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:57:50,333 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:57:50,333 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 11:57:50,333 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:57:50,333 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:57:50,333 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 11:57:50,333 INFO L133 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_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/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 -> 206a1fa9646ae2b913e15c72bee749b0ae7b465a [2018-11-10 11:57:50,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:57:50,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:57:50,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:57:50,369 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:57:50,369 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:57:50,369 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1211b_true-unreach-call.c [2018-11-10 11:57:50,409 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/data/d66596449/46fa74d4d8cd4d4b9010d631f72d1e37/FLAG375beb6dc [2018-11-10 11:57:50,711 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:57:50,711 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/sv-benchmarks/c/float-newlib/float_req_bl_1211b_true-unreach-call.c [2018-11-10 11:57:50,717 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/data/d66596449/46fa74d4d8cd4d4b9010d631f72d1e37/FLAG375beb6dc [2018-11-10 11:57:50,728 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/data/d66596449/46fa74d4d8cd4d4b9010d631f72d1e37 [2018-11-10 11:57:50,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:57:50,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:57:50,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:57:50,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:57:50,734 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:57:50,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:57:50" (1/1) ... [2018-11-10 11:57:50,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549999d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50, skipping insertion in model container [2018-11-10 11:57:50,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:57:50" (1/1) ... [2018-11-10 11:57:50,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:57:50,757 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:57:50,872 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:57:50,879 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:57:50,902 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:57:50,913 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:57:50,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50 WrapperNode [2018-11-10 11:57:50,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:57:50,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:57:50,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:57:50,914 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:57:50,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50" (1/1) ... [2018-11-10 11:57:50,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50" (1/1) ... [2018-11-10 11:57:50,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:57:50,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:57:50,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:57:50,948 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:57:51,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50" (1/1) ... [2018-11-10 11:57:51,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50" (1/1) ... [2018-11-10 11:57:51,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50" (1/1) ... [2018-11-10 11:57:51,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50" (1/1) ... [2018-11-10 11:57:51,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50" (1/1) ... [2018-11-10 11:57:51,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50" (1/1) ... [2018-11-10 11:57:51,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50" (1/1) ... [2018-11-10 11:57:51,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:57:51,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:57:51,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:57:51,028 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:57:51,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/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 [2018-11-10 11:57:51,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:57:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:57:51,060 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2018-11-10 11:57:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2018-11-10 11:57:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:57:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:57:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 11:57:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 11:57:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:57:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:57:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-10 11:57:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-10 11:57:51,413 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:57:51,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:57:51 BoogieIcfgContainer [2018-11-10 11:57:51,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:57:51,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:57:51,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:57:51,416 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:57:51,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:57:50" (1/3) ... [2018-11-10 11:57:51,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2852ed1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:57:51, skipping insertion in model container [2018-11-10 11:57:51,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:50" (2/3) ... [2018-11-10 11:57:51,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2852ed1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:57:51, skipping insertion in model container [2018-11-10 11:57:51,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:57:51" (3/3) ... [2018-11-10 11:57:51,419 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211b_true-unreach-call.c [2018-11-10 11:57:51,427 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:57:51,433 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:57:51,445 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:57:51,470 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:57:51,470 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:57:51,470 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:57:51,470 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:57:51,470 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:57:51,470 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:57:51,470 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:57:51,471 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:57:51,481 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-11-10 11:57:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 11:57:51,485 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:57:51,485 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:57:51,487 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:57:51,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:57:51,491 INFO L82 PathProgramCache]: Analyzing trace with hash -817183572, now seen corresponding path program 1 times [2018-11-10 11:57:51,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:57:51,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:57:51,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:57:51,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:57:51,525 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:57:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:57:51,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:57:51,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:57:51,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:57:51,597 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:57:51,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 11:57:51,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 11:57:51,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:57:51,615 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-11-10 11:57:51,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:57:51,633 INFO L93 Difference]: Finished difference Result 110 states and 158 transitions. [2018-11-10 11:57:51,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 11:57:51,634 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-11-10 11:57:51,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:57:51,640 INFO L225 Difference]: With dead ends: 110 [2018-11-10 11:57:51,641 INFO L226 Difference]: Without dead ends: 55 [2018-11-10 11:57:51,643 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:57:51,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-10 11:57:51,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-10 11:57:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-10 11:57:51,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-11-10 11:57:51,666 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 27 [2018-11-10 11:57:51,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:57:51,667 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-11-10 11:57:51,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 11:57:51,667 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-11-10 11:57:51,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 11:57:51,668 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:57:51,668 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:57:51,668 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:57:51,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:57:51,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1306683301, now seen corresponding path program 1 times [2018-11-10 11:57:51,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:57:51,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:57:51,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:57:51,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:57:51,670 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:57:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:57:51,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:57:51,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:57:51,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:57:51,749 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:57:51,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:57:51,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:57:51,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:57:51,751 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 3 states. [2018-11-10 11:57:51,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:57:51,762 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-11-10 11:57:51,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:57:51,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-10 11:57:51,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:57:51,764 INFO L225 Difference]: With dead ends: 58 [2018-11-10 11:57:51,764 INFO L226 Difference]: Without dead ends: 55 [2018-11-10 11:57:51,765 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:57:51,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-10 11:57:51,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-10 11:57:51,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-10 11:57:51,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-11-10 11:57:51,770 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 30 [2018-11-10 11:57:51,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:57:51,770 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-11-10 11:57:51,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:57:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-11-10 11:57:51,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 11:57:51,771 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:57:51,772 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:57:51,772 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:57:51,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:57:51,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1581799420, now seen corresponding path program 1 times [2018-11-10 11:57:51,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:57:51,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:57:51,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:57:51,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:57:51,773 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:57:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:57:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:57:51,854 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 11:57:51,869 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,869 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,870 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,870 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,870 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,871 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,871 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,871 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,871 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,872 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,872 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,872 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,872 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,873 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,873 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,873 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,873 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,875 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,875 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,875 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,876 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,876 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,876 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,876 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,878 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,878 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,878 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,878 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,878 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,878 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 11:57:51,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,882 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,882 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,882 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,882 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,882 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,883 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,883 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,883 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,883 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,884 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,884 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,884 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,884 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:57:51,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:57:51 BoogieIcfgContainer [2018-11-10 11:57:51,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:57:51,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:57:51,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:57:51,899 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:57:51,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:57:51" (3/4) ... [2018-11-10 11:57:51,902 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 11:57:51,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:57:51,903 INFO L168 Benchmark]: Toolchain (without parser) took 1172.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -88.0 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:51,904 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:57:51,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.14 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 946.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:51,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.87 ms. Allocated memory is still 1.0 GB. Free memory was 946.9 MB in the beginning and 944.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:51,905 INFO L168 Benchmark]: Boogie Preprocessor took 80.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:51,906 INFO L168 Benchmark]: RCFGBuilder took 385.36 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:51,906 INFO L168 Benchmark]: TraceAbstraction took 484.65 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: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:51,907 INFO L168 Benchmark]: Witness Printer took 3.51 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:51,910 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 181.14 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 946.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.87 ms. Allocated memory is still 1.0 GB. Free memory was 946.9 MB in the beginning and 944.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 385.36 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 484.65 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: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.51 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 110]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 104, overapproximation of bitwiseAnd at line 93. Possible FailurePath: [L12] static const float one_modf = 1.0; VAL [\old(one_modf)=6442450952, one_modf=1] [L104] float x = -1.0f / 0.0f; [L105] CALL float iptr = __VERIFIER_nondet_float(); [L105] RET float iptr = __VERIFIER_nondet_float(); [L105] RET float iptr = __VERIFIER_nondet_float(); [L106] CALL, EXPR modf_float(x, &iptr) VAL [one_modf=1] [L15] __int32_t i0, j0; [L16] __uint32_t i; VAL [one_modf=1] [L18] CALL ieee_float_shape_type gf_u; [L18] RET ieee_float_shape_type gf_u; [L19] CALL gf_u.value = (x) [L19] RET gf_u.value = (x) [L20] CALL, EXPR gf_u.word [L20] RET, EXPR gf_u.word [L20] (i0) = gf_u.word [L20] RET (i0) = gf_u.word [L21] COND FALSE !(0) VAL [one_modf=1] [L22] j0 = ((i0 >> 23) & 0xff) - 0x7f VAL [one_modf=1] [L23] COND TRUE j0 < 23 VAL [one_modf=1] [L24] COND TRUE j0 < 0 VAL [one_modf=1] [L26] CALL ieee_float_shape_type sf_u; [L26] RET ieee_float_shape_type sf_u; [L27] CALL sf_u.word = (i0 & 0x80000000) [L27] RET sf_u.word = (i0 & 0x80000000) [L28] CALL, EXPR sf_u.value [L28] RET, EXPR sf_u.value [L28] CALL (*iptr) = sf_u.value [L28] RET (*iptr) = sf_u.value [L29] COND FALSE !(0) VAL [one_modf=1] [L30] RET return x; VAL [one_modf=1] [L106] EXPR modf_float(x, &iptr) VAL [one_modf=1] [L106] float res = modf_float(x, &iptr); [L109] CALL, EXPR \read(iptr) [L109] RET, EXPR \read(iptr) [L109] CALL, EXPR isinf_float(iptr) VAL [one_modf=1] [L87] __int32_t ix; VAL [one_modf=1] [L89] CALL ieee_float_shape_type gf_u; [L89] RET ieee_float_shape_type gf_u; [L90] CALL gf_u.value = (x) [L90] RET gf_u.value = (x) [L91] CALL, EXPR gf_u.word [L91] RET, EXPR gf_u.word [L91] (ix) = gf_u.word [L91] RET (ix) = gf_u.word [L92] COND FALSE !(0) VAL [one_modf=1] [L93] ix &= 0x7fffffff [L94] RET return ((ix) == 0x7f800000L); VAL [one_modf=1] [L109] EXPR isinf_float(iptr) VAL [one_modf=1] [L109] isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1) [L109] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [one_modf=1] [L109] isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1) VAL [one_modf=1] [L109] COND TRUE isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1) [L110] __VERIFIER_error() VAL [one_modf=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 59 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 SDtfs, 0 SDslu, 54 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 1546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:57:53,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:57:53,324 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:57:53,331 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:57:53,331 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:57:53,332 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:57:53,333 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:57:53,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:57:53,335 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:57:53,335 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:57:53,336 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:57:53,336 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:57:53,337 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:57:53,338 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:57:53,338 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:57:53,339 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:57:53,339 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:57:53,341 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:57:53,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:57:53,343 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:57:53,344 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:57:53,344 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:57:53,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:57:53,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:57:53,346 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:57:53,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:57:53,348 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:57:53,348 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:57:53,349 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:57:53,349 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:57:53,350 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:57:53,350 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:57:53,350 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:57:53,350 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:57:53,351 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:57:53,351 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:57:53,352 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 11:57:53,361 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:57:53,362 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:57:53,362 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:57:53,362 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:57:53,362 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:57:53,363 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:57:53,363 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:57:53,363 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:57:53,363 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:57:53,364 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:57:53,364 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:57:53,364 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:57:53,364 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:57:53,364 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:57:53,364 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:57:53,364 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 11:57:53,364 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 11:57:53,365 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:57:53,365 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:57:53,365 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:57:53,365 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:57:53,365 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:57:53,365 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:57:53,365 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:57:53,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:57:53,366 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:57:53,366 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:57:53,366 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:57:53,366 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 11:57:53,366 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:57:53,366 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 11:57:53,366 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 11:57:53,367 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/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 -> 206a1fa9646ae2b913e15c72bee749b0ae7b465a [2018-11-10 11:57:53,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:57:53,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:57:53,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:57:53,405 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:57:53,405 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:57:53,406 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1211b_true-unreach-call.c [2018-11-10 11:57:53,440 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/data/9c605f7e0/f1c902712d394d8fad36b33890bf2b99/FLAG446a21dc8 [2018-11-10 11:57:53,828 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:57:53,829 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/sv-benchmarks/c/float-newlib/float_req_bl_1211b_true-unreach-call.c [2018-11-10 11:57:53,833 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/data/9c605f7e0/f1c902712d394d8fad36b33890bf2b99/FLAG446a21dc8 [2018-11-10 11:57:53,841 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/data/9c605f7e0/f1c902712d394d8fad36b33890bf2b99 [2018-11-10 11:57:53,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:57:53,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:57:53,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:57:53,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:57:53,847 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:57:53,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:57:53" (1/1) ... [2018-11-10 11:57:53,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de1527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:53, skipping insertion in model container [2018-11-10 11:57:53,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:57:53" (1/1) ... [2018-11-10 11:57:53,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:57:53,871 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:57:53,991 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:57:54,001 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:57:54,027 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:57:54,038 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:57:54,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:54 WrapperNode [2018-11-10 11:57:54,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:57:54,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:57:54,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:57:54,039 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:57:54,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:54" (1/1) ... [2018-11-10 11:57:54,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:54" (1/1) ... [2018-11-10 11:57:54,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:57:54,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:57:54,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:57:54,081 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:57:54,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:54" (1/1) ... [2018-11-10 11:57:54,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:54" (1/1) ... [2018-11-10 11:57:54,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:54" (1/1) ... [2018-11-10 11:57:54,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:54" (1/1) ... [2018-11-10 11:57:54,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:54" (1/1) ... [2018-11-10 11:57:54,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:54" (1/1) ... [2018-11-10 11:57:54,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:54" (1/1) ... [2018-11-10 11:57:54,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:57:54,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:57:54,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:57:54,121 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:57:54,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/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 [2018-11-10 11:57:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:57:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:57:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2018-11-10 11:57:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2018-11-10 11:57:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:57:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:57:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 11:57:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 11:57:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:57:54,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:57:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-10 11:57:54,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-10 11:57:54,342 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:57:54,376 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:57:54,451 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:57:54,468 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:57:54,484 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:57:54,519 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:57:54,536 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:57:54,571 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:57:54,583 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:57:54,624 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:57:54,639 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:57:54,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:57:54 BoogieIcfgContainer [2018-11-10 11:57:54,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:57:54,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:57:54,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:57:54,642 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:57:54,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:57:53" (1/3) ... [2018-11-10 11:57:54,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5e0b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:57:54, skipping insertion in model container [2018-11-10 11:57:54,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:57:54" (2/3) ... [2018-11-10 11:57:54,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5e0b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:57:54, skipping insertion in model container [2018-11-10 11:57:54,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:57:54" (3/3) ... [2018-11-10 11:57:54,643 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211b_true-unreach-call.c [2018-11-10 11:57:54,649 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:57:54,653 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:57:54,665 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:57:54,682 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:57:54,683 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:57:54,683 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:57:54,683 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:57:54,683 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:57:54,683 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:57:54,683 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:57:54,683 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:57:54,683 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:57:54,694 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-11-10 11:57:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 11:57:54,698 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:57:54,699 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:57:54,700 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:57:54,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:57:54,704 INFO L82 PathProgramCache]: Analyzing trace with hash -817183572, now seen corresponding path program 1 times [2018-11-10 11:57:54,707 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:57:54,708 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/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 [2018-11-10 11:57:54,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:57:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:57:54,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:57:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:57:54,834 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:57:54,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:57:54,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:57:54,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 11:57:54,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 11:57:54,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:57:54,860 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-11-10 11:57:54,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:57:54,882 INFO L93 Difference]: Finished difference Result 110 states and 158 transitions. [2018-11-10 11:57:54,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 11:57:54,883 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-11-10 11:57:54,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:57:54,891 INFO L225 Difference]: With dead ends: 110 [2018-11-10 11:57:54,891 INFO L226 Difference]: Without dead ends: 55 [2018-11-10 11:57:54,894 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:57:54,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-10 11:57:54,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-10 11:57:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-10 11:57:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-11-10 11:57:54,925 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 27 [2018-11-10 11:57:54,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:57:54,925 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-11-10 11:57:54,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 11:57:54,926 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-11-10 11:57:54,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 11:57:54,927 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:57:54,927 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:57:54,927 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:57:54,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:57:54,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1306683301, now seen corresponding path program 1 times [2018-11-10 11:57:54,928 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:57:54,928 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/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 [2018-11-10 11:57:54,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:57:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:57:55,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:57:55,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:57:55,111 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:57:55,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:57:55,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 11:57:55,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:57:55,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:57:55,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:57:55,120 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 7 states. [2018-11-10 11:57:55,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:57:55,751 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-11-10 11:57:55,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 11:57:55,752 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-11-10 11:57:55,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:57:55,753 INFO L225 Difference]: With dead ends: 82 [2018-11-10 11:57:55,753 INFO L226 Difference]: Without dead ends: 42 [2018-11-10 11:57:55,754 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-10 11:57:55,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-10 11:57:55,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-10 11:57:55,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-10 11:57:55,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2018-11-10 11:57:55,759 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 30 [2018-11-10 11:57:55,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:57:55,760 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2018-11-10 11:57:55,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:57:55,760 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-11-10 11:57:55,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 11:57:55,761 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:57:55,761 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:57:55,761 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:57:55,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:57:55,761 INFO L82 PathProgramCache]: Analyzing trace with hash 758791120, now seen corresponding path program 1 times [2018-11-10 11:57:55,762 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:57:55,762 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/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 [2018-11-10 11:57:55,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:57:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:57:55,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:57:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:57:55,904 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:57:55,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:57:55,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:57:55,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:57:55,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:57:55,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:57:55,917 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 3 states. [2018-11-10 11:57:55,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:57:55,929 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-11-10 11:57:55,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:57:55,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-10 11:57:55,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:57:55,930 INFO L225 Difference]: With dead ends: 45 [2018-11-10 11:57:55,930 INFO L226 Difference]: Without dead ends: 42 [2018-11-10 11:57:55,930 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:57:55,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-10 11:57:55,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-10 11:57:55,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-10 11:57:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-11-10 11:57:55,934 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 31 [2018-11-10 11:57:55,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:57:55,934 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-11-10 11:57:55,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:57:55,934 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-11-10 11:57:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 11:57:55,935 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:57:55,935 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:57:55,935 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:57:55,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:57:55,935 INFO L82 PathProgramCache]: Analyzing trace with hash -956576409, now seen corresponding path program 1 times [2018-11-10 11:57:55,936 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:57:55,936 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-10 11:57:55,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:57:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:57:56,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:57:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:57:56,130 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:57:56,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:57:56,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 11:57:56,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:57:56,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:57:56,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:57:56,139 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 7 states. [2018-11-10 11:57:56,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:57:56,404 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2018-11-10 11:57:56,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:57:56,405 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-11-10 11:57:56,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:57:56,406 INFO L225 Difference]: With dead ends: 46 [2018-11-10 11:57:56,406 INFO L226 Difference]: Without dead ends: 42 [2018-11-10 11:57:56,406 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:57:56,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-10 11:57:56,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-10 11:57:56,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-10 11:57:56,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-11-10 11:57:56,413 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 33 [2018-11-10 11:57:56,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:57:56,413 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-11-10 11:57:56,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:57:56,414 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-11-10 11:57:56,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 11:57:56,414 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:57:56,415 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:57:56,415 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:57:56,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:57:56,416 INFO L82 PathProgramCache]: Analyzing trace with hash -70979886, now seen corresponding path program 1 times [2018-11-10 11:57:56,416 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:57:56,416 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-10 11:57:56,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:57:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:57:56,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:57:56,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:57:56,851 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:57:56,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:57:56,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-10 11:57:56,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-10 11:57:56,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-10 11:57:56,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-11-10 11:57:56,860 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 15 states. [2018-11-10 11:57:57,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:57:57,791 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-11-10 11:57:57,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 11:57:57,792 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2018-11-10 11:57:57,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:57:57,792 INFO L225 Difference]: With dead ends: 42 [2018-11-10 11:57:57,793 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 11:57:57,793 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2018-11-10 11:57:57,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 11:57:57,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 11:57:57,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 11:57:57,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 11:57:57,794 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-11-10 11:57:57,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:57:57,794 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:57:57,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-10 11:57:57,794 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 11:57:57,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:57:57,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 11:57:57,989 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:57:57,989 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:57:57,989 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:57:57,989 INFO L425 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2018-11-10 11:57:57,989 INFO L428 ceAbstractionStarter]: At program point L88-3(lines 88 92) the Hoare annotation is: true [2018-11-10 11:57:57,989 INFO L425 ceAbstractionStarter]: For program point L88-4(lines 88 92) no Hoare annotation was computed. [2018-11-10 11:57:57,989 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 86 95) the Hoare annotation is: true [2018-11-10 11:57:57,989 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 86 95) no Hoare annotation was computed. [2018-11-10 11:57:57,989 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 86 95) no Hoare annotation was computed. [2018-11-10 11:57:57,990 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:57:57,990 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 11:57:57,990 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:57:57,990 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:57:57,990 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed. [2018-11-10 11:57:57,990 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 97 115) no Hoare annotation was computed. [2018-11-10 11:57:57,990 INFO L425 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-11-10 11:57:57,990 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 97 115) no Hoare annotation was computed. [2018-11-10 11:57:57,990 INFO L421 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) main_~x~0) [2018-11-10 11:57:57,990 INFO L425 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2018-11-10 11:57:57,990 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 97 115) the Hoare annotation is: true [2018-11-10 11:57:57,990 INFO L421 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (and (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) main_~x~0) (exists ((modf_float_~ix~1 (_ BitVec 32))) (and (= (let ((.cse0 (bvand modf_float_~ix~1 (_ bv2147483648 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0) (= (fp ((_ extract 31 31) modf_float_~ix~1) ((_ extract 30 23) modf_float_~ix~1) ((_ extract 22 0) modf_float_~ix~1)) (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)))))) [2018-11-10 11:57:57,991 INFO L425 ceAbstractionStarter]: For program point L109-1(line 109) no Hoare annotation was computed. [2018-11-10 11:57:57,991 INFO L425 ceAbstractionStarter]: For program point L109-2(line 109) no Hoare annotation was computed. [2018-11-10 11:57:57,991 INFO L425 ceAbstractionStarter]: For program point L109-3(line 109) no Hoare annotation was computed. [2018-11-10 11:57:57,991 INFO L421 ceAbstractionStarter]: At program point L109-4(line 109) the Hoare annotation is: (and (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) main_~x~0) |main_#t~short22| (exists ((modf_float_~ix~1 (_ BitVec 32))) (and (= (let ((.cse0 (bvand modf_float_~ix~1 (_ bv2147483648 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0) (= (fp ((_ extract 31 31) modf_float_~ix~1) ((_ extract 30 23) modf_float_~ix~1) ((_ extract 22 0) modf_float_~ix~1)) (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)))))) [2018-11-10 11:57:57,991 INFO L425 ceAbstractionStarter]: For program point L109-5(line 109) no Hoare annotation was computed. [2018-11-10 11:57:57,991 INFO L425 ceAbstractionStarter]: For program point L109-7(line 109) no Hoare annotation was computed. [2018-11-10 11:57:57,991 INFO L425 ceAbstractionStarter]: For program point L109-9(lines 109 112) no Hoare annotation was computed. [2018-11-10 11:57:57,991 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-11-10 11:57:57,992 INFO L425 ceAbstractionStarter]: For program point L64-2(lines 56 70) no Hoare annotation was computed. [2018-11-10 11:57:57,992 INFO L425 ceAbstractionStarter]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2018-11-10 11:57:57,992 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 70) no Hoare annotation was computed. [2018-11-10 11:57:57,992 INFO L425 ceAbstractionStarter]: For program point modf_floatEXIT(lines 14 71) no Hoare annotation was computed. [2018-11-10 11:57:57,992 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-11-10 11:57:57,992 INFO L421 ceAbstractionStarter]: At program point L48-3(lines 48 52) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (bvslt (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (= (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) modf_float_~j0~0)))) [2018-11-10 11:57:57,992 INFO L425 ceAbstractionStarter]: For program point L48-4(lines 48 52) no Hoare annotation was computed. [2018-11-10 11:57:57,992 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 40) no Hoare annotation was computed. [2018-11-10 11:57:57,993 INFO L421 ceAbstractionStarter]: At program point L36-3(lines 36 40) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (bvslt (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (= (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) modf_float_~j0~0)))) [2018-11-10 11:57:57,993 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 55) no Hoare annotation was computed. [2018-11-10 11:57:57,993 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 45) no Hoare annotation was computed. [2018-11-10 11:57:57,993 INFO L425 ceAbstractionStarter]: For program point L41-2(lines 33 47) no Hoare annotation was computed. [2018-11-10 11:57:57,993 INFO L425 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2018-11-10 11:57:57,993 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 54) no Hoare annotation was computed. [2018-11-10 11:57:57,993 INFO L425 ceAbstractionStarter]: For program point L25-1(lines 25 29) no Hoare annotation was computed. [2018-11-10 11:57:57,993 INFO L421 ceAbstractionStarter]: At program point L25-3(lines 25 29) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (bvslt (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (= (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) modf_float_~j0~0)))) [2018-11-10 11:57:57,993 INFO L425 ceAbstractionStarter]: For program point L25-4(lines 25 29) no Hoare annotation was computed. [2018-11-10 11:57:57,993 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-11-10 11:57:57,994 INFO L421 ceAbstractionStarter]: At program point L17-3(lines 17 21) the Hoare annotation is: (= modf_float_~x |modf_float_#in~x|) [2018-11-10 11:57:57,994 INFO L425 ceAbstractionStarter]: For program point L17-4(lines 17 21) no Hoare annotation was computed. [2018-11-10 11:57:57,994 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2018-11-10 11:57:57,994 INFO L421 ceAbstractionStarter]: At program point L59-3(lines 59 63) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (= (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) modf_float_~j0~0)))) [2018-11-10 11:57:57,994 INFO L428 ceAbstractionStarter]: At program point modf_floatENTRY(lines 14 71) the Hoare annotation is: true [2018-11-10 11:57:57,994 INFO L425 ceAbstractionStarter]: For program point modf_floatFINAL(lines 14 71) no Hoare annotation was computed. [2018-11-10 11:57:57,994 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 73 83) no Hoare annotation was computed. [2018-11-10 11:57:57,994 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 73 83) the Hoare annotation is: true [2018-11-10 11:57:57,994 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 73 83) no Hoare annotation was computed. [2018-11-10 11:57:57,994 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-10 11:57:57,994 INFO L421 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-10 11:57:57,994 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-11-10 11:57:58,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,004 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,004 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,008 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,008 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,008 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,008 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,009 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,009 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,009 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,009 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,009 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,010 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,010 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,010 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,011 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,011 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,011 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,011 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,011 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,011 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,012 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,012 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,012 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,013 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,013 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,013 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,013 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,013 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,014 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,014 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,014 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,014 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,015 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:57:58 BoogieIcfgContainer [2018-11-10 11:57:58,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:57:58,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:57:58,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:57:58,022 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:57:58,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:57:54" (3/4) ... [2018-11-10 11:57:58,027 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:57:58,032 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 11:57:58,032 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-10 11:57:58,032 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 11:57:58,032 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure modf_float [2018-11-10 11:57:58,032 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-10 11:57:58,039 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 155 nodes and edges [2018-11-10 11:57:58,040 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 85 nodes and edges [2018-11-10 11:57:58,040 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 11:57:58,041 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 11:57:58,060 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-10 11:57:58,060 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 11:57:58,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) [2018-11-10 11:57:58,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) [2018-11-10 11:57:58,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) [2018-11-10 11:57:58,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) [2018-11-10 11:57:58,097 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b14498f7-4683-4915-94f5-397e71430a87/bin-2019/utaipan/witness.graphml [2018-11-10 11:57:58,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:57:58,098 INFO L168 Benchmark]: Toolchain (without parser) took 4253.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 949.8 MB in the beginning and 821.1 MB in the end (delta: 128.6 MB). Peak memory consumption was 272.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:58,099 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:57:58,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.37 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:58,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.24 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:57:58,099 INFO L168 Benchmark]: Boogie Preprocessor took 39.07 ms. Allocated memory is still 1.0 GB. Free memory was 933.6 MB in the beginning and 928.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:58,100 INFO L168 Benchmark]: RCFGBuilder took 518.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:58,100 INFO L168 Benchmark]: TraceAbstraction took 3381.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 828.0 MB in the end (delta: 261.0 MB). Peak memory consumption was 261.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:58,100 INFO L168 Benchmark]: Witness Printer took 75.00 ms. Allocated memory is still 1.2 GB. Free memory was 828.0 MB in the beginning and 821.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:58,102 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.37 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.24 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.07 ms. Allocated memory is still 1.0 GB. Free memory was 933.6 MB in the beginning and 928.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 518.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3381.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 828.0 MB in the end (delta: 261.0 MB). Peak memory consumption was 261.0 MB. Max. memory is 11.5 GB. * Witness Printer took 75.00 ms. Allocated memory is still 1.2 GB. Free memory was 828.0 MB in the beginning and 821.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 110]: 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: 17]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 59]: Loop Invariant [2018-11-10 11:57:58,106 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,106 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,106 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,107 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,107 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,107 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,107 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,107 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: (x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) - InvariantResult [Line: 48]: Loop Invariant [2018-11-10 11:57:58,108 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,108 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,108 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,108 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,108 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,109 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,109 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,109 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,109 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,109 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) - InvariantResult [Line: 25]: Loop Invariant [2018-11-10 11:57:58,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,112 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,112 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,112 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,112 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,113 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,113 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,113 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,113 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,113 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,113 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,113 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) - InvariantResult [Line: 36]: Loop Invariant [2018-11-10 11:57:58,114 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,114 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,114 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,114 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,115 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,115 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,115 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,115 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,116 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,116 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,116 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,116 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,116 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,116 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,116 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-11-10 11:57:58,117 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 59 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 212 SDtfs, 120 SDslu, 656 SDs, 0 SdLazy, 248 SolverSat, 12 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 174 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 25 PreInvPairs, 34 NumberOfFragments, 300 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 157 ConstructedInterpolants, 27 QuantifiedInterpolants, 30602 SizeOfPredicates, 38 NumberOfNonLiveVariables, 853 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...