./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/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 e16d2ad47f8069122c38404dcdf9504ef10df900 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/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 e16d2ad47f8069122c38404dcdf9504ef10df900 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:47:55,463 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:47:55,464 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:47:55,470 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:47:55,471 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:47:55,471 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:47:55,472 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:47:55,473 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:47:55,474 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:47:55,475 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:47:55,475 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:47:55,476 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:47:55,476 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:47:55,477 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:47:55,477 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:47:55,478 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:47:55,478 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:47:55,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:47:55,480 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:47:55,481 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:47:55,482 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:47:55,483 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:47:55,485 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:47:55,485 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:47:55,485 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:47:55,485 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:47:55,486 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:47:55,486 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:47:55,487 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:47:55,488 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:47:55,488 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:47:55,488 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:47:55,488 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:47:55,489 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:47:55,489 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:47:55,490 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:47:55,490 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:47:55,497 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:47:55,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:47:55,498 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:47:55,498 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:47:55,498 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:47:55,498 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:47:55,498 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:47:55,498 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:47:55,498 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:47:55,499 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:47:55,499 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:47:55,499 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:47:55,499 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:47:55,499 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:47:55,500 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:47:55,500 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:47:55,500 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:47:55,500 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:47:55,500 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:47:55,500 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:47:55,500 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:47:55,500 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:47:55,501 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:47:55,501 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:47:55,501 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:47:55,501 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:47:55,501 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:47:55,501 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:47:55,501 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:47:55,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:47:55,502 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:47:55,502 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:47:55,502 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:47:55,502 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:47:55,502 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:47:55,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:47:55,503 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:47:55,503 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_060fb139-fe5f-4880-bdaa-7f89071b1c74/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 -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2018-11-23 03:47:55,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:47:55,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:47:55,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:47:55,539 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:47:55,539 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:47:55,540 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-11-23 03:47:55,585 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/data/d067bbe91/48bac92c61744e89894c369b55b80a81/FLAGc012dcfbc [2018-11-23 03:47:55,983 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:47:55,983 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-11-23 03:47:55,987 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/data/d067bbe91/48bac92c61744e89894c369b55b80a81/FLAGc012dcfbc [2018-11-23 03:47:55,996 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/data/d067bbe91/48bac92c61744e89894c369b55b80a81 [2018-11-23 03:47:55,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:47:55,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:47:55,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:47:55,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:47:56,002 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:47:56,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:55" (1/1) ... [2018-11-23 03:47:56,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ac0340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56, skipping insertion in model container [2018-11-23 03:47:56,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:55" (1/1) ... [2018-11-23 03:47:56,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:47:56,025 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:47:56,133 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:47:56,135 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:47:56,149 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:47:56,161 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:47:56,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56 WrapperNode [2018-11-23 03:47:56,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:47:56,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:47:56,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:47:56,162 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:47:56,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56" (1/1) ... [2018-11-23 03:47:56,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56" (1/1) ... [2018-11-23 03:47:56,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:47:56,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:47:56,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:47:56,180 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:47:56,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56" (1/1) ... [2018-11-23 03:47:56,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56" (1/1) ... [2018-11-23 03:47:56,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56" (1/1) ... [2018-11-23 03:47:56,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56" (1/1) ... [2018-11-23 03:47:56,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56" (1/1) ... [2018-11-23 03:47:56,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56" (1/1) ... [2018-11-23 03:47:56,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56" (1/1) ... [2018-11-23 03:47:56,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:47:56,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:47:56,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:47:56,241 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:47:56,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/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 [2018-11-23 03:47:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 03:47:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 03:47:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:47:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:47:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 03:47:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:47:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:47:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:47:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 03:47:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:47:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:47:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-11-23 03:47:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-11-23 03:47:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 03:47:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 03:47:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 03:47:56,473 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:47:56,473 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 03:47:56,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:56 BoogieIcfgContainer [2018-11-23 03:47:56,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:47:56,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:47:56,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:47:56,477 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:47:56,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:47:55" (1/3) ... [2018-11-23 03:47:56,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2500e739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:47:56, skipping insertion in model container [2018-11-23 03:47:56,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56" (2/3) ... [2018-11-23 03:47:56,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2500e739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:47:56, skipping insertion in model container [2018-11-23 03:47:56,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:56" (3/3) ... [2018-11-23 03:47:56,481 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072d_true-unreach-call.c [2018-11-23 03:47:56,489 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:47:56,494 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:47:56,504 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:47:56,527 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:47:56,527 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:47:56,527 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:47:56,527 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:47:56,527 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:47:56,527 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:47:56,527 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:47:56,528 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:47:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-11-23 03:47:56,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 03:47:56,545 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:47:56,545 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:47:56,547 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:47:56,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:47:56,551 INFO L82 PathProgramCache]: Analyzing trace with hash 753691903, now seen corresponding path program 1 times [2018-11-23 03:47:56,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:47:56,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:47:56,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:47:56,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:47:56,583 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:47:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:47:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:47:56,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:47:56,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:47:56,637 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:47:56,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:47:56,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:47:56,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:47:56,651 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-11-23 03:47:56,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:47:56,667 INFO L93 Difference]: Finished difference Result 68 states and 93 transitions. [2018-11-23 03:47:56,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:47:56,668 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-23 03:47:56,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:47:56,674 INFO L225 Difference]: With dead ends: 68 [2018-11-23 03:47:56,674 INFO L226 Difference]: Without dead ends: 34 [2018-11-23 03:47:56,677 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:47:56,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-23 03:47:56,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-23 03:47:56,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 03:47:56,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-11-23 03:47:56,703 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 18 [2018-11-23 03:47:56,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:47:56,703 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-11-23 03:47:56,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:47:56,703 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-11-23 03:47:56,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 03:47:56,704 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:47:56,704 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:47:56,704 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:47:56,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:47:56,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1111015325, now seen corresponding path program 1 times [2018-11-23 03:47:56,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:47:56,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:47:56,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:47:56,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:47:56,706 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:47:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:47:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:47:56,779 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=10, |#NULL.offset|=6, |old(#NULL.base)|=10, |old(#NULL.offset)|=6] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=10, |old(#NULL.offset)|=6] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=10, |old(#NULL.offset)|=6] [?] RET #94#return; VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret11 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret8 := trunc_float(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=9.0] [?] ~x := #in~x;havoc ~signbit~0;havoc ~w~0;havoc ~exponent_less_127~0; VAL [trunc_float_~x=9.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=9.0] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~union1;havoc #t~mem0;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [trunc_float_~w~0=2, trunc_float_~x=9.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=9.0] [?] goto; VAL [trunc_float_~w~0=2, trunc_float_~x=9.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=9.0] [?] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=(- 1), trunc_float_~w~0=2, trunc_float_~x=9.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=9.0] [?] assume !(~exponent_less_127~0 < 23); VAL [trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=(- 1), trunc_float_~w~0=2, trunc_float_~x=9.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=9.0] [?] assume 255 == ~exponent_less_127~0;#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=(- 1), trunc_float_~w~0=2, trunc_float_~x=9.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=9.0] [?] assume true; VAL [trunc_float_~exponent_less_127~0=255, trunc_float_~signbit~0=(- 1), trunc_float_~w~0=2, trunc_float_~x=9.0, |#NULL.base|=0, |#NULL.offset|=0, |trunc_float_#in~x|=9.0] [?] RET #98#return; VAL [main_~x~0=9.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret8|=5.0] [?] ~res~0 := #t~ret8;havoc #t~ret8;#t~short10 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [main_~res~0=5.0, main_~x~0=9.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short10|=false] [?] assume !#t~short10; VAL [main_~res~0=5.0, main_~x~0=9.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short10|=false] [?] assume !#t~short10;havoc #t~short10;havoc #t~ret9; VAL [main_~res~0=5.0, main_~x~0=9.0, |#NULL.base|=0, |#NULL.offset|=0] [?] assume !false; VAL [main_~res~0=5.0, main_~x~0=9.0, |#NULL.base|=0, |#NULL.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=10, #NULL.offset=6, old(#NULL.base)=10, old(#NULL.offset)=6] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=10, old(#NULL.offset)=6] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=10, old(#NULL.offset)=6] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret11 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L62] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL.base=0, #NULL.offset=0] [L63] CALL call #t~ret8 := trunc_float(~x~0); VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0] [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0, ~x=9.0] [L15] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L16] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L17] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L17] havoc #t~union1; [L17] havoc #t~mem0; [L15] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L15] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0, ~w~0=2, ~x=9.0] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L21-L39] assume !(~exponent_less_127~0 < 23); VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L37-L38] assume 255 == ~exponent_less_127~0; [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L12-L41] ensures true; VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L63] RET call #t~ret8 := trunc_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret8=5.0, ~x~0=9.0] [L63] ~res~0 := #t~ret8; [L63] havoc #t~ret8; [L66] #t~short10 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, #t~short10=false, ~res~0=5.0, ~x~0=9.0] [L66] assume !#t~short10; VAL [#NULL.base=0, #NULL.offset=0, #t~short10=false, ~res~0=5.0, ~x~0=9.0] [L66-L69] assume !#t~short10; [L66] havoc #t~short10; [L66] havoc #t~ret9; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=5.0, ~x~0=9.0] [L67] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=5.0, ~x~0=9.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=10, #NULL.offset=6, old(#NULL.base)=10, old(#NULL.offset)=6] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=10, old(#NULL.offset)=6] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=10, old(#NULL.offset)=6] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret11 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L62] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL.base=0, #NULL.offset=0] [L63] CALL call #t~ret8 := trunc_float(~x~0); VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0] [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0, ~x=9.0] [L15] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L16] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L17] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L17] havoc #t~union1; [L17] havoc #t~mem0; [L15] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L15] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0, ~w~0=2, ~x=9.0] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L21-L39] assume !(~exponent_less_127~0 < 23); VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L37-L38] assume 255 == ~exponent_less_127~0; [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L12-L41] ensures true; VAL [#in~x=9.0, #NULL.base=0, #NULL.offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L63] RET call #t~ret8 := trunc_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret8=5.0, ~x~0=9.0] [L63] ~res~0 := #t~ret8; [L63] havoc #t~ret8; [L66] #t~short10 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, #t~short10=false, ~res~0=5.0, ~x~0=9.0] [L66] assume !#t~short10; VAL [#NULL.base=0, #NULL.offset=0, #t~short10=false, ~res~0=5.0, ~x~0=9.0] [L66-L69] assume !#t~short10; [L66] havoc #t~short10; [L66] havoc #t~ret9; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=5.0, ~x~0=9.0] [L67] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=5.0, ~x~0=9.0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=10, #NULL!offset=6, old(#NULL!base)=10, old(#NULL!offset)=6] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=10, old(#NULL!offset)=6] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret11 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L62] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0] [L63] CALL call #t~ret8 := trunc_float(~x~0); VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0] [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~x=9.0] [L15] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L16] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] havoc #t~union1; [L17] havoc #t~mem0; [L15] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L15] havoc ~#gf_u~0; VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~w~0=2, ~x=9.0] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L21] COND FALSE !(~exponent_less_127~0 < 23) VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L37] COND TRUE 255 == ~exponent_less_127~0 [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L63] RET call #t~ret8 := trunc_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret8=5.0, ~x~0=9.0] [L63] ~res~0 := #t~ret8; [L63] havoc #t~ret8; [L66] #t~short10 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, #t~short10=false, ~res~0=5.0, ~x~0=9.0] [L66] COND FALSE !(#t~short10) VAL [#NULL!base=0, #NULL!offset=0, #t~short10=false, ~res~0=5.0, ~x~0=9.0] [L66] COND TRUE !#t~short10 [L66] havoc #t~short10; [L66] havoc #t~ret9; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=5.0, ~x~0=9.0] [L67] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=5.0, ~x~0=9.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=10, #NULL!offset=6, old(#NULL!base)=10, old(#NULL!offset)=6] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=10, old(#NULL!offset)=6] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret11 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L62] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0] [L63] CALL call #t~ret8 := trunc_float(~x~0); VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0] [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~x=9.0] [L15] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L16] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] havoc #t~union1; [L17] havoc #t~mem0; [L15] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L15] havoc ~#gf_u~0; VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~w~0=2, ~x=9.0] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L21] COND FALSE !(~exponent_less_127~0 < 23) VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L37] COND TRUE 255 == ~exponent_less_127~0 [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L63] RET call #t~ret8 := trunc_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret8=5.0, ~x~0=9.0] [L63] ~res~0 := #t~ret8; [L63] havoc #t~ret8; [L66] #t~short10 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, #t~short10=false, ~res~0=5.0, ~x~0=9.0] [L66] COND FALSE !(#t~short10) VAL [#NULL!base=0, #NULL!offset=0, #t~short10=false, ~res~0=5.0, ~x~0=9.0] [L66] COND TRUE !#t~short10 [L66] havoc #t~short10; [L66] havoc #t~ret9; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=5.0, ~x~0=9.0] [L67] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=5.0, ~x~0=9.0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=10, #NULL!offset=6, old(#NULL!base)=10, old(#NULL!offset)=6] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=10, old(#NULL!offset)=6] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret11 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L62] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0] [L63] CALL call #t~ret8 := trunc_float(~x~0); VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0] [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~x=9.0] [L15] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L16] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] havoc #t~union1; [L17] havoc #t~mem0; [L15] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L15] havoc ~#gf_u~0; VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~w~0=2, ~x=9.0] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L21] COND FALSE !(~exponent_less_127~0 < 23) VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L37] COND TRUE 255 == ~exponent_less_127~0 [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L63] RET call #t~ret8 := trunc_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret8=5.0, ~x~0=9.0] [L63] ~res~0 := #t~ret8; [L63] havoc #t~ret8; [L66] #t~short10 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, #t~short10=false, ~res~0=5.0, ~x~0=9.0] [L66] COND FALSE !(#t~short10) VAL [#NULL!base=0, #NULL!offset=0, #t~short10=false, ~res~0=5.0, ~x~0=9.0] [L66] COND TRUE !#t~short10 [L66] havoc #t~short10; [L66] havoc #t~ret9; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=5.0, ~x~0=9.0] [L67] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=5.0, ~x~0=9.0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=10, #NULL!offset=6, old(#NULL!base)=10, old(#NULL!offset)=6] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=10, old(#NULL!offset)=6] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret11 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L62] ~x~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0] [L63] CALL call #t~ret8 := trunc_float(~x~0); VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0] [L12-L41] ~x := #in~x; [L13] havoc ~signbit~0; [L13] havoc ~w~0; [L13] havoc ~exponent_less_127~0; VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~x=9.0] [L15] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L16] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] ~w~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L17] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L17] havoc #t~union1; [L17] havoc #t~mem0; [L15] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L15] havoc ~#gf_u~0; VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~w~0=2, ~x=9.0] [L19] ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); [L20] ~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L21] COND FALSE !(~exponent_less_127~0 < 23) VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L37] COND TRUE 255 == ~exponent_less_127~0 [L38] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=9.0, #NULL!base=0, #NULL!offset=0, ~exponent_less_127~0=255, ~signbit~0=-1, ~w~0=2, ~x=9.0] [L63] RET call #t~ret8 := trunc_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret8=5.0, ~x~0=9.0] [L63] ~res~0 := #t~ret8; [L63] havoc #t~ret8; [L66] #t~short10 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, #t~short10=false, ~res~0=5.0, ~x~0=9.0] [L66] COND FALSE !(#t~short10) VAL [#NULL!base=0, #NULL!offset=0, #t~short10=false, ~res~0=5.0, ~x~0=9.0] [L66] COND TRUE !#t~short10 [L66] havoc #t~short10; [L66] havoc #t~ret9; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=5.0, ~x~0=9.0] [L67] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=5.0, ~x~0=9.0] [L62] float x = -0.0f; [L63] CALL, EXPR trunc_float(x) VAL [\old(x)=9] [L13] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=9, x=9] [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=9, exponent_less_127=255, signbit=-1, w=2, x=9] [L21] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=9, exponent_less_127=255, signbit=-1, w=2, x=9] [L37] COND TRUE exponent_less_127 == 255 [L38] return x + x; VAL [\old(x)=9, exponent_less_127=255, signbit=-1, w=2, x=9] [L63] RET, EXPR trunc_float(x) VAL [trunc_float(x)=5, x=9] [L63] float res = trunc_float(x); [L66] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=5, res == -0.0f && __signbit_float(res) == 1=0, x=9] [L66] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L67] __VERIFIER_error() VAL [res=5, x=9] ----- [2018-11-23 03:47:56,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:47:56 BoogieIcfgContainer [2018-11-23 03:47:56,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:47:56,808 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:47:56,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:47:56,808 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:47:56,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:56" (3/4) ... [2018-11-23 03:47:56,810 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 03:47:56,811 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:47:56,811 INFO L168 Benchmark]: Toolchain (without parser) took 813.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -139.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:47:56,812 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:47:56,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.49 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:47:56,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.34 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:47:56,813 INFO L168 Benchmark]: Boogie Preprocessor took 60.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -207.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:47:56,814 INFO L168 Benchmark]: RCFGBuilder took 232.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:47:56,815 INFO L168 Benchmark]: TraceAbstraction took 332.95 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: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:47:56,815 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:47:56,819 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.49 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 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 18.34 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -207.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 232.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 332.95 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: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 67]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 19, overapproximation of someUnaryFLOAToperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L62] float x = -0.0f; [L63] CALL, EXPR trunc_float(x) VAL [\old(x)=9] [L13] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=9, x=9] [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=9, exponent_less_127=255, signbit=-1, w=2, x=9] [L21] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=9, exponent_less_127=255, signbit=-1, w=2, x=9] [L37] COND TRUE exponent_less_127 == 255 [L38] return x + x; VAL [\old(x)=9, exponent_less_127=255, signbit=-1, w=2, x=9] [L63] RET, EXPR trunc_float(x) VAL [trunc_float(x)=5, x=9] [L63] float res = trunc_float(x); [L66] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=5, res == -0.0f && __signbit_float(res) == 1=0, x=9] [L66] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L67] __VERIFIER_error() VAL [res=5, x=9] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 38 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 41 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 03:47:58,261 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:47:58,262 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:47:58,271 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:47:58,271 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:47:58,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:47:58,273 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:47:58,274 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:47:58,275 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:47:58,275 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:47:58,276 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:47:58,276 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:47:58,277 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:47:58,277 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:47:58,278 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:47:58,278 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:47:58,279 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:47:58,280 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:47:58,281 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:47:58,282 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:47:58,283 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:47:58,284 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:47:58,285 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:47:58,286 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:47:58,286 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:47:58,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:47:58,287 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:47:58,288 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:47:58,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:47:58,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:47:58,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:47:58,289 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:47:58,290 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:47:58,290 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:47:58,290 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:47:58,291 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:47:58,291 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 03:47:58,301 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:47:58,301 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:47:58,302 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:47:58,302 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:47:58,302 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:47:58,302 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:47:58,302 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:47:58,302 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:47:58,303 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:47:58,303 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:47:58,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:47:58,303 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:47:58,303 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:47:58,304 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:47:58,304 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:47:58,304 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:47:58,304 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:47:58,304 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 03:47:58,304 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 03:47:58,304 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:47:58,304 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:47:58,305 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:47:58,305 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:47:58,305 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:47:58,305 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:47:58,305 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:47:58,305 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:47:58,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:47:58,306 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:47:58,306 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:47:58,306 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:47:58,306 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 03:47:58,306 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:47:58,306 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 03:47:58,306 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 03:47:58,306 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_060fb139-fe5f-4880-bdaa-7f89071b1c74/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 -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2018-11-23 03:47:58,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:47:58,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:47:58,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:47:58,348 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:47:58,348 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:47:58,349 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-11-23 03:47:58,388 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/data/22b2e9941/0db9477699154a33afad42afd3ce7094/FLAG853d154a7 [2018-11-23 03:47:58,784 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:47:58,785 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-11-23 03:47:58,788 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/data/22b2e9941/0db9477699154a33afad42afd3ce7094/FLAG853d154a7 [2018-11-23 03:47:58,797 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/data/22b2e9941/0db9477699154a33afad42afd3ce7094 [2018-11-23 03:47:58,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:47:58,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:47:58,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:47:58,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:47:58,804 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:47:58,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:58" (1/1) ... [2018-11-23 03:47:58,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c42840c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58, skipping insertion in model container [2018-11-23 03:47:58,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:58" (1/1) ... [2018-11-23 03:47:58,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:47:58,826 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:47:58,945 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:47:58,948 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:47:58,967 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:47:58,983 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:47:58,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58 WrapperNode [2018-11-23 03:47:58,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:47:58,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:47:58,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:47:58,984 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:47:58,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 03:47:58,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 03:47:59,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:47:59,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:47:59,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:47:59,001 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:47:59,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 03:47:59,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 03:47:59,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 03:47:59,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 03:47:59,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 03:47:59,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 03:47:59,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 03:47:59,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:47:59,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:47:59,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:47:59,029 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:47:59,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/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 [2018-11-23 03:47:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:47:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:47:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:47:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 03:47:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:47:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:47:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 03:47:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:47:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:47:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-11-23 03:47:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-11-23 03:47:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 03:47:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 03:47:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 03:47:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 03:47:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 03:47:59,305 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:47:59,312 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:47:59,312 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 03:47:59,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:59 BoogieIcfgContainer [2018-11-23 03:47:59,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:47:59,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:47:59,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:47:59,315 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:47:59,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:47:58" (1/3) ... [2018-11-23 03:47:59,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637050b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:47:59, skipping insertion in model container [2018-11-23 03:47:59,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (2/3) ... [2018-11-23 03:47:59,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637050b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:47:59, skipping insertion in model container [2018-11-23 03:47:59,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:59" (3/3) ... [2018-11-23 03:47:59,318 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072d_true-unreach-call.c [2018-11-23 03:47:59,326 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:47:59,332 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:47:59,342 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:47:59,359 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:47:59,360 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:47:59,360 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:47:59,360 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:47:59,360 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:47:59,360 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:47:59,360 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:47:59,360 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:47:59,360 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:47:59,370 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-11-23 03:47:59,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 03:47:59,373 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:47:59,374 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:47:59,375 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:47:59,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:47:59,378 INFO L82 PathProgramCache]: Analyzing trace with hash 753691903, now seen corresponding path program 1 times [2018-11-23 03:47:59,381 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 03:47:59,381 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/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 [2018-11-23 03:47:59,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:47:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:47:59,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:47:59,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:47:59,450 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 03:47:59,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:47:59,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:47:59,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:47:59,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:47:59,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:47:59,470 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-11-23 03:47:59,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:47:59,484 INFO L93 Difference]: Finished difference Result 68 states and 93 transitions. [2018-11-23 03:47:59,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:47:59,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-23 03:47:59,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:47:59,492 INFO L225 Difference]: With dead ends: 68 [2018-11-23 03:47:59,493 INFO L226 Difference]: Without dead ends: 34 [2018-11-23 03:47:59,495 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:47:59,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-23 03:47:59,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-23 03:47:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 03:47:59,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-11-23 03:47:59,519 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 18 [2018-11-23 03:47:59,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:47:59,520 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-11-23 03:47:59,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:47:59,520 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-11-23 03:47:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 03:47:59,521 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:47:59,521 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:47:59,521 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:47:59,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:47:59,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1111015325, now seen corresponding path program 1 times [2018-11-23 03:47:59,522 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 03:47:59,522 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/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 [2018-11-23 03:47:59,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:47:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:47:59,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:47:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:47:59,678 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 03:47:59,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:47:59,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:47:59,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:47:59,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:47:59,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:47:59,687 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 7 states. [2018-11-23 03:47:59,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:47:59,984 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-11-23 03:47:59,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:47:59,986 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-23 03:47:59,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:47:59,987 INFO L225 Difference]: With dead ends: 52 [2018-11-23 03:47:59,987 INFO L226 Difference]: Without dead ends: 33 [2018-11-23 03:47:59,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:47:59,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-23 03:47:59,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-23 03:47:59,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-23 03:47:59,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-11-23 03:47:59,994 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 19 [2018-11-23 03:47:59,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:47:59,994 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-11-23 03:47:59,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:47:59,994 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-11-23 03:47:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 03:47:59,995 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:47:59,995 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:47:59,995 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:47:59,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:47:59,996 INFO L82 PathProgramCache]: Analyzing trace with hash -2096519695, now seen corresponding path program 1 times [2018-11-23 03:47:59,996 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 03:47:59,996 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/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 [2018-11-23 03:48:00,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:48:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:00,045 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:48:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:00,131 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 03:48:00,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:48:00,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:48:00,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:48:00,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:48:00,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:48:00,143 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 7 states. [2018-11-23 03:48:00,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:48:00,374 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-11-23 03:48:00,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 03:48:00,375 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-23 03:48:00,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:48:00,376 INFO L225 Difference]: With dead ends: 49 [2018-11-23 03:48:00,376 INFO L226 Difference]: Without dead ends: 31 [2018-11-23 03:48:00,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-23 03:48:00,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-23 03:48:00,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-23 03:48:00,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-23 03:48:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-11-23 03:48:00,381 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 22 [2018-11-23 03:48:00,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:48:00,381 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-11-23 03:48:00,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:48:00,381 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-11-23 03:48:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 03:48:00,382 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:48:00,382 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:48:00,382 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:48:00,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:48:00,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1559687167, now seen corresponding path program 1 times [2018-11-23 03:48:00,383 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 03:48:00,383 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/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 [2018-11-23 03:48:00,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:48:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:00,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:48:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:00,471 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 03:48:00,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:48:00,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:48:00,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:48:00,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:48:00,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:48:00,483 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 7 states. [2018-11-23 03:48:00,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:48:00,576 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-11-23 03:48:00,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:48:00,576 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-23 03:48:00,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:48:00,577 INFO L225 Difference]: With dead ends: 34 [2018-11-23 03:48:00,577 INFO L226 Difference]: Without dead ends: 31 [2018-11-23 03:48:00,578 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:48:00,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-23 03:48:00,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-23 03:48:00,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-23 03:48:00,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-11-23 03:48:00,582 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 22 [2018-11-23 03:48:00,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:48:00,582 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-11-23 03:48:00,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:48:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-11-23 03:48:00,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 03:48:00,583 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:48:00,583 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:48:00,584 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:48:00,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:48:00,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1781626003, now seen corresponding path program 1 times [2018-11-23 03:48:00,584 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 03:48:00,584 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/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 [2018-11-23 03:48:00,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:48:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:48:00,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:48:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:48:00,901 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 03:48:00,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:48:00,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-23 03:48:00,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 03:48:00,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 03:48:00,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-11-23 03:48:00,909 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 15 states. [2018-11-23 03:48:01,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:48:01,429 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-11-23 03:48:01,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 03:48:01,430 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-11-23 03:48:01,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:48:01,430 INFO L225 Difference]: With dead ends: 31 [2018-11-23 03:48:01,430 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:48:01,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2018-11-23 03:48:01,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:48:01,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:48:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:48:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:48:01,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-11-23 03:48:01,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:48:01,432 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:48:01,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 03:48:01,432 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:48:01,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:48:01,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:48:01,571 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:48:01,571 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:48:01,571 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:48:01,571 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:48:01,571 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 03:48:01,572 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:48:01,572 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:48:01,572 INFO L444 ceAbstractionStarter]: At program point L66-1(line 66) the Hoare annotation is: (and (= main_~x~0 (fp.neg (_ +zero 8 24))) |main_#t~short10| (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= main_~res~0 (let ((.cse0 (bvand (_ bv2147483648 32) trunc_float_~w~0))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) (fp.neg (_ +zero 8 24)))))) [2018-11-23 03:48:01,572 INFO L448 ceAbstractionStarter]: For program point L66-2(line 66) no Hoare annotation was computed. [2018-11-23 03:48:01,572 INFO L444 ceAbstractionStarter]: At program point L63(line 63) the Hoare annotation is: (= main_~x~0 (fp.neg (_ +zero 8 24))) [2018-11-23 03:48:01,572 INFO L448 ceAbstractionStarter]: For program point L63-1(line 63) no Hoare annotation was computed. [2018-11-23 03:48:01,572 INFO L448 ceAbstractionStarter]: For program point L66-4(lines 66 69) no Hoare annotation was computed. [2018-11-23 03:48:01,572 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 55 72) the Hoare annotation is: true [2018-11-23 03:48:01,572 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 55 72) no Hoare annotation was computed. [2018-11-23 03:48:01,572 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 67) no Hoare annotation was computed. [2018-11-23 03:48:01,572 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 55 72) no Hoare annotation was computed. [2018-11-23 03:48:01,573 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 03:48:01,573 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-23 03:48:01,573 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 39) no Hoare annotation was computed. [2018-11-23 03:48:01,573 INFO L448 ceAbstractionStarter]: For program point L21-1(lines 21 39) no Hoare annotation was computed. [2018-11-23 03:48:01,573 INFO L451 ceAbstractionStarter]: At program point trunc_floatENTRY(lines 12 41) the Hoare annotation is: true [2018-11-23 03:48:01,573 INFO L448 ceAbstractionStarter]: For program point trunc_floatEXIT(lines 12 41) no Hoare annotation was computed. [2018-11-23 03:48:01,573 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 30 34) no Hoare annotation was computed. [2018-11-23 03:48:01,573 INFO L444 ceAbstractionStarter]: At program point L30-2(lines 30 34) the Hoare annotation is: (and (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|))) (= trunc_float_~x |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) trunc_float_~exponent_less_127~0))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|)) [2018-11-23 03:48:01,574 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-11-23 03:48:01,574 INFO L448 ceAbstractionStarter]: For program point trunc_floatFINAL(lines 12 41) no Hoare annotation was computed. [2018-11-23 03:48:01,574 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 35) no Hoare annotation was computed. [2018-11-23 03:48:01,574 INFO L444 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: (and (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) trunc_float_~w~0) trunc_float_~signbit~0) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|))) (= trunc_float_~x |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) trunc_float_~exponent_less_127~0))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|)) [2018-11-23 03:48:01,574 INFO L448 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-11-23 03:48:01,574 INFO L444 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: (= trunc_float_~x |trunc_float_#in~x|) [2018-11-23 03:48:01,574 INFO L448 ceAbstractionStarter]: For program point L14-3(lines 14 18) no Hoare annotation was computed. [2018-11-23 03:48:01,574 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-11-23 03:48:01,575 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 43 53) no Hoare annotation was computed. [2018-11-23 03:48:01,575 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 43 53) the Hoare annotation is: true [2018-11-23 03:48:01,575 INFO L448 ceAbstractionStarter]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2018-11-23 03:48:01,575 INFO L444 ceAbstractionStarter]: At program point L46-2(lines 46 50) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-23 03:48:01,575 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 43 53) no Hoare annotation was computed. [2018-11-23 03:48:01,575 INFO L448 ceAbstractionStarter]: For program point L46-3(lines 46 50) no Hoare annotation was computed. [2018-11-23 03:48:01,579 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,580 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,580 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,580 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,581 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,581 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,581 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,581 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,591 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,591 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,591 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,592 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,592 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,592 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,592 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,592 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:48:01 BoogieIcfgContainer [2018-11-23 03:48:01,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:48:01,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:48:01,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:48:01,595 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:48:01,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:59" (3/4) ... [2018-11-23 03:48:01,598 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:48:01,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:48:01,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:48:01,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_float [2018-11-23 03:48:01,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-23 03:48:01,605 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:48:01,606 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 03:48:01,606 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:48:01,623 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-23 03:48:01,623 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 03:48:01,623 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, trunc_float_~w~0) == signbit && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && x == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) [2018-11-23 03:48:01,623 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists trunc_float_~w~0 : bv32 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 0bv32) && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && x == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) [2018-11-23 03:48:01,638 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_060fb139-fe5f-4880-bdaa-7f89071b1c74/bin-2019/utaipan/witness.graphml [2018-11-23 03:48:01,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:48:01,639 INFO L168 Benchmark]: Toolchain (without parser) took 2839.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 950.8 MB in the beginning and 874.6 MB in the end (delta: 76.2 MB). Peak memory consumption was 212.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:48:01,640 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-23 03:48:01,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.84 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:48:01,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.10 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:48:01,641 INFO L168 Benchmark]: Boogie Preprocessor took 27.41 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:48:01,641 INFO L168 Benchmark]: RCFGBuilder took 283.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:48:01,641 INFO L168 Benchmark]: TraceAbstraction took 2281.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.6 MB in the end (delta: 230.7 MB). Peak memory consumption was 230.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:48:01,641 INFO L168 Benchmark]: Witness Printer took 43.69 ms. Allocated memory is still 1.2 GB. Free memory is still 874.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:48:01,643 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 182.84 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 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 17.10 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.41 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 283.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2281.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.6 MB in the end (delta: 230.7 MB). Peak memory consumption was 230.7 MB. Max. memory is 11.5 GB. * Witness Printer took 43.69 ms. Allocated memory is still 1.2 GB. Free memory is still 874.6 MB. There was no memory consumed. 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[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 67]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant [2018-11-23 03:48:01,649 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,649 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,649 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,649 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,649 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,649 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,649 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,649 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,650 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,650 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,650 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,650 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,650 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((\exists trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, trunc_float_~w~0) == signbit && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && x == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 30]: Loop Invariant [2018-11-23 03:48:01,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-23 03:48:01,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((\exists trunc_float_~w~0 : bv32 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 0bv32) && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && x == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 38 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 137 SDtfs, 106 SDslu, 507 SDs, 0 SdLazy, 229 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 12 LocationsWithAnnotation, 18 PreInvPairs, 23 NumberOfFragments, 152 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 31 QuantifiedInterpolants, 19515 SizeOfPredicates, 21 NumberOfNonLiveVariables, 284 ConjunctsInSsa, 36 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...