./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0710_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_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/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 1ff4e8ff973f803d8fa94df33d1e2314e0626318 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/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 1ff4e8ff973f803d8fa94df33d1e2314e0626318 ......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:09:13,033 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:09:13,034 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:09:13,042 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:09:13,042 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:09:13,043 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:09:13,043 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:09:13,045 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:09:13,046 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:09:13,046 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:09:13,047 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:09:13,047 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:09:13,048 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:09:13,049 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:09:13,050 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:09:13,050 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:09:13,051 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:09:13,052 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:09:13,054 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:09:13,055 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:09:13,055 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:09:13,057 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:09:13,058 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:09:13,058 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:09:13,058 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:09:13,059 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:09:13,060 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:09:13,061 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:09:13,061 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:09:13,062 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:09:13,062 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:09:13,063 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:09:13,063 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:09:13,063 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:09:13,063 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:09:13,065 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:09:13,065 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 15:09:13,075 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:09:13,075 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:09:13,076 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:09:13,076 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:09:13,076 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:09:13,076 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:09:13,076 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:09:13,076 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 15:09:13,076 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:09:13,076 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:09:13,077 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 15:09:13,077 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 15:09:13,077 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:09:13,077 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:09:13,077 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:09:13,077 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:09:13,078 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:09:13,078 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:09:13,078 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:09:13,078 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:09:13,078 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:09:13,078 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:09:13,078 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:09:13,078 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:09:13,078 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:09:13,079 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:09:13,079 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:09:13,079 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:09:13,079 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:09:13,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:09:13,079 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:09:13,079 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:09:13,079 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:09:13,079 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 15:09:13,080 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:09:13,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:09:13,080 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 15:09:13,081 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_4bcfd963-3a2d-47b4-9837-df6b412cd23c/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 -> 1ff4e8ff973f803d8fa94df33d1e2314e0626318 [2018-11-23 15:09:13,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:09:13,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:09:13,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:09:13,113 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:09:13,113 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:09:13,114 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c [2018-11-23 15:09:13,149 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/data/b67c5dadb/e91461fb8bec45dc862cb1543d188405/FLAGb01802d0f [2018-11-23 15:09:13,545 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:09:13,546 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c [2018-11-23 15:09:13,551 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/data/b67c5dadb/e91461fb8bec45dc862cb1543d188405/FLAGb01802d0f [2018-11-23 15:09:13,560 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/data/b67c5dadb/e91461fb8bec45dc862cb1543d188405 [2018-11-23 15:09:13,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:09:13,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:09:13,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:09:13,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:09:13,566 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:09:13,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:09:13" (1/1) ... [2018-11-23 15:09:13,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b02929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13, skipping insertion in model container [2018-11-23 15:09:13,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:09:13" (1/1) ... [2018-11-23 15:09:13,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:09:13,589 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:09:13,712 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:09:13,715 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:09:13,735 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:09:13,751 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:09:13,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13 WrapperNode [2018-11-23 15:09:13,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:09:13,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:09:13,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:09:13,752 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:09:13,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13" (1/1) ... [2018-11-23 15:09:13,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13" (1/1) ... [2018-11-23 15:09:13,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:09:13,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:09:13,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:09:13,770 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:09:13,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13" (1/1) ... [2018-11-23 15:09:13,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13" (1/1) ... [2018-11-23 15:09:13,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13" (1/1) ... [2018-11-23 15:09:13,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13" (1/1) ... [2018-11-23 15:09:13,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13" (1/1) ... [2018-11-23 15:09:13,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13" (1/1) ... [2018-11-23 15:09:13,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13" (1/1) ... [2018-11-23 15:09:13,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:09:13,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:09:13,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:09:13,833 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:09:13,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/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 15:09:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:09:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:09:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 15:09:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 15:09:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 15:09:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 15:09:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:09:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:09:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 15:09:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:09:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:09:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:09:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 15:09:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:09:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-23 15:09:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-23 15:09:14,083 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:09:14,083 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 15:09:14,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:14 BoogieIcfgContainer [2018-11-23 15:09:14,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:09:14,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:09:14,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:09:14,087 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:09:14,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:09:13" (1/3) ... [2018-11-23 15:09:14,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83f4fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:09:14, skipping insertion in model container [2018-11-23 15:09:14,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:13" (2/3) ... [2018-11-23 15:09:14,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83f4fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:09:14, skipping insertion in model container [2018-11-23 15:09:14,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:14" (3/3) ... [2018-11-23 15:09:14,089 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0710_true-unreach-call.c [2018-11-23 15:09:14,097 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:09:14,104 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:09:14,116 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:09:14,137 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:09:14,137 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:09:14,137 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:09:14,137 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:09:14,137 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:09:14,137 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:09:14,138 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:09:14,138 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:09:14,150 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-11-23 15:09:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 15:09:14,153 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:09:14,154 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 15:09:14,155 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:09:14,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:09:14,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1237427785, now seen corresponding path program 1 times [2018-11-23 15:09:14,160 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:09:14,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:09:14,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:09:14,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:09:14,195 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:09:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:14,248 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 15:09:14,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:09:14,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:09:14,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:09:14,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 15:09:14,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 15:09:14,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:09:14,267 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2018-11-23 15:09:14,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:09:14,281 INFO L93 Difference]: Finished difference Result 87 states and 122 transitions. [2018-11-23 15:09:14,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 15:09:14,282 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-23 15:09:14,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:09:14,289 INFO L225 Difference]: With dead ends: 87 [2018-11-23 15:09:14,290 INFO L226 Difference]: Without dead ends: 43 [2018-11-23 15:09:14,292 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 15:09:14,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-23 15:09:14,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-23 15:09:14,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-23 15:09:14,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2018-11-23 15:09:14,316 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 53 transitions. Word has length 22 [2018-11-23 15:09:14,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:09:14,316 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 53 transitions. [2018-11-23 15:09:14,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 15:09:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2018-11-23 15:09:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 15:09:14,317 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:09:14,317 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] [2018-11-23 15:09:14,317 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:09:14,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:09:14,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1731907338, now seen corresponding path program 1 times [2018-11-23 15:09:14,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:09:14,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:09:14,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:09:14,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:09:14,319 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:09:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:09:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:09:14,371 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450952, |#NULL.offset|=6442450945, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450945, |old(~one_sqrt~0)|=6442450950.0, |old(~tiny_sqrt~0)|=6442450947.0, ~one_sqrt~0=6442450950.0, ~tiny_sqrt~0=6442450947.0] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-30; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450945, |old(~one_sqrt~0)|=6442450950.0, |old(~tiny_sqrt~0)|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450945, |old(~one_sqrt~0)|=6442450950.0, |old(~tiny_sqrt~0)|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #133#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret8 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x~0 := #t~nondet5;havoc #t~nondet5; VAL [main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)); VAL [main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x := #in~x;havoc ~z~0;havoc ~r~0;havoc ~hx~0;havoc ~ix~0;havoc ~s~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; VAL [__ieee754_sqrtf_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] 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);~ix~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 [__ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] goto; VAL [__ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [__ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !(~hx~0 % 4294967296 < 2139095040);#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [__ieee754_sqrtf_~hx~0=2139095040, __ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [__ieee754_sqrtf_~hx~0=2139095040, __ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450949.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #137#return; VAL [main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret6|=6442450946.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~res~0 := #t~ret6;havoc #t~ret6; VAL [main_~res~0=6442450946.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret7 := isnan_float(~res~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450946.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x := #in~x;#res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [isnan_float_~x=6442450946.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450946.0, |isnan_float_#res|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [isnan_float_~x=6442450946.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450946.0, |isnan_float_#res|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #139#return; VAL [main_~res~0=6442450946.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [main_~res~0=6442450946.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume 0 == #t~ret7;havoc #t~ret7; VAL [main_~res~0=6442450946.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !false; VAL [main_~res~0=6442450946.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450952, #NULL.offset=6442450945, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=6.44245095E9, ~tiny_sqrt~0=6.442450947E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret8 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := #t~nondet5; [L91] havoc #t~nondet5; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L92-L101] assume ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L23] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L24] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L23] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L29-L30] assume !(~hx~0 % 4294967296 < 2139095040); [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L17-L82] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L94] RET call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] ~res~0 := #t~ret6; [L94] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L13] ensures true; VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L97] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97-L100] assume 0 == #t~ret7; [L97] havoc #t~ret7; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L98] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450952, #NULL.offset=6442450945, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=6.44245095E9, ~tiny_sqrt~0=6.442450947E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret8 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := #t~nondet5; [L91] havoc #t~nondet5; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L92-L101] assume ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L23] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L24] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L23] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L29-L30] assume !(~hx~0 % 4294967296 < 2139095040); [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L17-L82] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L94] RET call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] ~res~0 := #t~ret6; [L94] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L13] ensures true; VAL [#in~x=6.442450946E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L97] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97-L100] assume 0 == #t~ret7; [L97] havoc #t~ret7; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L98] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=6.44245095E9, ~tiny_sqrt~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := #t~nondet5; [L91] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L92] COND TRUE ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)) VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L94] RET call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] ~res~0 := #t~ret6; [L94] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L97] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] COND TRUE 0 == #t~ret7 [L97] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L98] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=6.44245095E9, ~tiny_sqrt~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := #t~nondet5; [L91] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L92] COND TRUE ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)) VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L94] RET call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] ~res~0 := #t~ret6; [L94] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L97] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] COND TRUE 0 == #t~ret7 [L97] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L98] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=6.44245095E9, ~tiny_sqrt~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := #t~nondet5; [L91] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L92] COND TRUE ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)) VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L94] RET call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] ~res~0 := #t~ret6; [L94] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L97] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] COND TRUE 0 == #t~ret7 [L97] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L98] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=6.44245095E9, ~tiny_sqrt~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.44245095E9, old(~tiny_sqrt~0)=6.442450947E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := #t~nondet5; [L91] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L92] COND TRUE ~someBinaryFLOATComparisonOperation(~x~0, ~someUnaryFLOAToperation(0.0)) VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] CALL call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450949E9] [L94] RET call #t~ret6 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L94] ~res~0 := #t~ret6; [L94] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] CALL call #t~ret7 := isnan_float(~res~0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450946E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450946E9] [L97] RET call #t~ret7 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L97] COND TRUE 0 == #t~ret7 [L97] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L98] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450946E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450949E9] [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=6442450950, \old(tiny_sqrt)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = __VERIFIER_nondet_float(); [L92] COND TRUE x < -0.0f VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L94] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [\old(x)=6442450949, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [\old(x)=6442450949, hx=2139095040, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L94] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L94] float res = __ieee754_sqrtf(x); [L97] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450946, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450946] [L97] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=6442450946, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L97] COND TRUE !isnan_float(res) [L98] __VERIFIER_error() VAL [one_sqrt=1, res=6442450946, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] ----- [2018-11-23 15:09:14,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:09:14 BoogieIcfgContainer [2018-11-23 15:09:14,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:09:14,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:09:14,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:09:14,408 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:09:14,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:14" (3/4) ... [2018-11-23 15:09:14,412 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 15:09:14,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:09:14,412 INFO L168 Benchmark]: Toolchain (without parser) took 849.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -111.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:09:14,414 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:09:14,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.43 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 944.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:09:14,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.75 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:09:14,415 INFO L168 Benchmark]: Boogie Preprocessor took 62.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:09:14,415 INFO L168 Benchmark]: RCFGBuilder took 250.76 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: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:09:14,416 INFO L168 Benchmark]: TraceAbstraction took 323.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:09:14,416 INFO L168 Benchmark]: Witness Printer took 3.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:09:14,419 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 188.43 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 944.6 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 17.75 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 250.76 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: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 323.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 98]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of bitwiseAnd at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 30. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=6442450950, \old(tiny_sqrt)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = __VERIFIER_nondet_float(); [L92] COND TRUE x < -0.0f VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L94] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [\old(x)=6442450949, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [\old(x)=6442450949, hx=2139095040, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L94] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L94] float res = __ieee754_sqrtf(x); [L97] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450946, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450946] [L97] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=6442450946, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L97] COND TRUE !isnan_float(res) [L98] __VERIFIER_error() VAL [one_sqrt=1, res=6442450946, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 48 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 59 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=48occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 15:09:15,828 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:09:15,829 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:09:15,836 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:09:15,836 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:09:15,837 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:09:15,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:09:15,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:09:15,840 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:09:15,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:09:15,841 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:09:15,841 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:09:15,842 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:09:15,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:09:15,843 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:09:15,844 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:09:15,845 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:09:15,846 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:09:15,847 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:09:15,848 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:09:15,849 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:09:15,850 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:09:15,851 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:09:15,852 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:09:15,852 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:09:15,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:09:15,853 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:09:15,853 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:09:15,854 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:09:15,855 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:09:15,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:09:15,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:09:15,856 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:09:15,856 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:09:15,856 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:09:15,857 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:09:15,857 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 15:09:15,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:09:15,868 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:09:15,868 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:09:15,868 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:09:15,868 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:09:15,869 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:09:15,869 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:09:15,869 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:09:15,869 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:09:15,869 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:09:15,870 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:09:15,870 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:09:15,870 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:09:15,870 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:09:15,870 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:09:15,870 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:09:15,870 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:09:15,870 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 15:09:15,871 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 15:09:15,871 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:09:15,871 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:09:15,871 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:09:15,871 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:09:15,871 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:09:15,871 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:09:15,872 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:09:15,872 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:09:15,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:09:15,872 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:09:15,872 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:09:15,872 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:09:15,872 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 15:09:15,873 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:09:15,873 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 15:09:15,873 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 15:09:15,873 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_4bcfd963-3a2d-47b4-9837-df6b412cd23c/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 -> 1ff4e8ff973f803d8fa94df33d1e2314e0626318 [2018-11-23 15:09:15,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:09:15,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:09:15,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:09:15,912 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:09:15,912 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:09:15,912 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c [2018-11-23 15:09:15,947 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/data/8fbb1efa0/d5d5564f68024d6bb9394de3b4458bf1/FLAG8fec84200 [2018-11-23 15:09:16,242 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:09:16,243 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/sv-benchmarks/c/float-newlib/float_req_bl_0710_true-unreach-call.c [2018-11-23 15:09:16,247 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/data/8fbb1efa0/d5d5564f68024d6bb9394de3b4458bf1/FLAG8fec84200 [2018-11-23 15:09:16,255 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/bin-2019/utaipan/data/8fbb1efa0/d5d5564f68024d6bb9394de3b4458bf1 [2018-11-23 15:09:16,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:09:16,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:09:16,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:09:16,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:09:16,261 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:09:16,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:09:16" (1/1) ... [2018-11-23 15:09:16,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567d81a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16, skipping insertion in model container [2018-11-23 15:09:16,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:09:16" (1/1) ... [2018-11-23 15:09:16,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:09:16,291 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:09:16,430 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:09:16,435 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:09:16,456 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:09:16,475 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:09:16,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16 WrapperNode [2018-11-23 15:09:16,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:09:16,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:09:16,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:09:16,477 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:09:16,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16" (1/1) ... [2018-11-23 15:09:16,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16" (1/1) ... [2018-11-23 15:09:16,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:09:16,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:09:16,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:09:16,498 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:09:16,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16" (1/1) ... [2018-11-23 15:09:16,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16" (1/1) ... [2018-11-23 15:09:16,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16" (1/1) ... [2018-11-23 15:09:16,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16" (1/1) ... [2018-11-23 15:09:16,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16" (1/1) ... [2018-11-23 15:09:16,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16" (1/1) ... [2018-11-23 15:09:16,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16" (1/1) ... [2018-11-23 15:09:16,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:09:16,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:09:16,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:09:16,522 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:09:16,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/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 15:09:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:09:16,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:09:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 15:09:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 15:09:16,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 15:09:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:09:16,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:09:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:09:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 15:09:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:09:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:09:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 15:09:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 15:09:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:09:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-23 15:09:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-23 15:09:17,244 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:09:17,245 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 15:09:17,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:17 BoogieIcfgContainer [2018-11-23 15:09:17,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:09:17,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:09:17,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:09:17,247 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:09:17,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:09:16" (1/3) ... [2018-11-23 15:09:17,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8f1713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:09:17, skipping insertion in model container [2018-11-23 15:09:17,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:16" (2/3) ... [2018-11-23 15:09:17,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8f1713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:09:17, skipping insertion in model container [2018-11-23 15:09:17,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:17" (3/3) ... [2018-11-23 15:09:17,249 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0710_true-unreach-call.c [2018-11-23 15:09:17,255 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:09:17,260 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:09:17,269 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:09:17,289 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:09:17,290 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:09:17,290 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:09:17,290 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:09:17,290 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:09:17,290 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:09:17,290 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:09:17,290 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:09:17,290 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:09:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-11-23 15:09:17,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:09:17,306 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:09:17,306 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] [2018-11-23 15:09:17,307 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:09:17,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:09:17,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1233283399, now seen corresponding path program 1 times [2018-11-23 15:09:17,313 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:09:17,314 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/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 15:09:17,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:09:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:17,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:09:17,439 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 15:09:17,439 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:09:17,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:09:17,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:09:17,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 15:09:17,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 15:09:17,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:09:17,458 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2018-11-23 15:09:17,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:09:17,473 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2018-11-23 15:09:17,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 15:09:17,475 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-23 15:09:17,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:09:17,481 INFO L225 Difference]: With dead ends: 85 [2018-11-23 15:09:17,482 INFO L226 Difference]: Without dead ends: 42 [2018-11-23 15:09:17,484 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 15:09:17,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-23 15:09:17,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-23 15:09:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-23 15:09:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2018-11-23 15:09:17,509 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 21 [2018-11-23 15:09:17,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:09:17,509 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2018-11-23 15:09:17,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 15:09:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2018-11-23 15:09:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 15:09:17,510 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:09:17,510 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 15:09:17,511 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:09:17,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:09:17,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1384450073, now seen corresponding path program 1 times [2018-11-23 15:09:17,511 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:09:17,511 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/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 15:09:17,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:09:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:09:17,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:09:20,784 WARN L180 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 20 [2018-11-23 15:09:27,939 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-23 15:09:35,364 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-23 15:09:36,913 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 15:09:36,913 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:09:36,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:09:36,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-23 15:09:36,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 15:09:36,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 15:09:36,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=85, Unknown=4, NotChecked=0, Total=110 [2018-11-23 15:09:36,922 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. Second operand 11 states. [2018-11-23 15:10:13,616 WARN L180 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 27 [2018-11-23 15:10:37,216 WARN L180 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-23 15:10:53,568 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-23 15:12:00,061 WARN L180 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-23 15:13:31,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:13:31,950 INFO L93 Difference]: Finished difference Result 54 states and 65 transitions. [2018-11-23 15:13:31,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 15:13:31,950 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2018-11-23 15:13:31,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:13:31,952 INFO L225 Difference]: With dead ends: 54 [2018-11-23 15:13:31,952 INFO L226 Difference]: Without dead ends: 47 [2018-11-23 15:13:31,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 37.6s TimeCoverageRelationStatistics Valid=47, Invalid=185, Unknown=8, NotChecked=0, Total=240 [2018-11-23 15:13:31,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-23 15:13:31,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 42. [2018-11-23 15:13:31,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-23 15:13:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2018-11-23 15:13:31,959 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 22 [2018-11-23 15:13:31,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:13:31,960 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2018-11-23 15:13:31,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 15:13:31,960 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2018-11-23 15:13:31,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 15:13:31,960 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:13:31,960 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] [2018-11-23 15:13:31,961 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:13:31,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:13:31,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1726985307, now seen corresponding path program 1 times [2018-11-23 15:13:31,961 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:13:31,961 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/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 15:13:31,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:13:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:13:31,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:13:32,059 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 15:13:32,059 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:13:32,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:13:32,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:13:32,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:13:32,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:13:32,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:13:32,071 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand 7 states. [2018-11-23 15:13:32,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:13:32,902 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2018-11-23 15:13:32,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:13:32,903 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-11-23 15:13:32,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:13:32,903 INFO L225 Difference]: With dead ends: 57 [2018-11-23 15:13:32,903 INFO L226 Difference]: Without dead ends: 47 [2018-11-23 15:13:32,904 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 15:13:32,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-23 15:13:32,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 42. [2018-11-23 15:13:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-23 15:13:32,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2018-11-23 15:13:32,910 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 23 [2018-11-23 15:13:32,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:13:32,910 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2018-11-23 15:13:32,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:13:32,910 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2018-11-23 15:13:32,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 15:13:32,911 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:13:32,911 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] [2018-11-23 15:13:32,911 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:13:32,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:13:32,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1388819741, now seen corresponding path program 1 times [2018-11-23 15:13:32,912 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:13:32,912 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bcfd963-3a2d-47b4-9837-df6b412cd23c/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 15:13:32,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:13:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:13:33,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:13:34,325 WARN L180 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-11-23 15:13:34,611 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-23 15:13:34,812 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2018-11-23 15:13:34,813 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:221) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:823) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:767) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:339) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 39 more [2018-11-23 15:13:34,815 INFO L168 Benchmark]: Toolchain (without parser) took 258557.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 948.7 MB in the beginning and 936.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 140.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:13:34,816 INFO L168 Benchmark]: CDTParser took 0.11 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 15:13:34,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.03 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:13:34,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.92 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:13:34,817 INFO L168 Benchmark]: Boogie Preprocessor took 23.78 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:13:34,817 INFO L168 Benchmark]: RCFGBuilder took 723.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:13:34,817 INFO L168 Benchmark]: TraceAbstraction took 257568.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.5 MB in the end (delta: 153.0 MB). Peak memory consumption was 153.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:13:34,820 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 218.03 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.92 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.78 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 723.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 257568.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.5 MB in the end (delta: 153.0 MB). Peak memory consumption was 153.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...